diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7e33fe4af..a02b4b831 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,24 @@
+## Next (1.15.0)
+
+### Features
+* allow to invoke terminal and cmd methods from extended commands (`[[ terminal::set_prompt(">>> ") ]]`)
+* new API method invoke_key that allow to invoke shortcut `terminal.invoke_key('CTRL+L')` will clear the terminal
+* shift+backspace now do the same thing as backspace
+
+### Bugs
+* fix wider characters in IE (#380)[https://github.com/jcubic/jquery.terminal/issues/380]
+* fix issue with number of characters when terminal is added to DOM after creation in IE
+* fix scrolling on body in Safari
+* fix exception when entering JSON with literal strings (#389)[https://github.com/jcubic/jquery.terminal/issues/389]
+* fix orphaned closing bracket on multiline echo (#390)[https://github.com/jcubic/jquery.terminal/issues/390]
+* fix whitespace insert after first character after first focus (#391)[https://github.com/jcubic/jquery.terminal/issues/391]
+* fix open link when click on url from exception
+
 ## 1.14.0
 
 ### Features
-* pass options to formatters and accept option unixFormattingEscapeBrackets in unix_formatting
-  (PR by [Marcel Link](https://github.com/ml1nk)
+* pass options to formatters and accept option `unixFormattingEscapeBrackets` in `unix_formatting`
+  (PR by [Marcel Link](https://github.com/ml1nk))
 * improve performance of repaint and layout whole page when changing content of the terminal
 * use ch unit for wide characters if browser support it (it have wide support then css variables)
 * keymap terminal method and allow to set shortcuts on runtime
diff --git a/README.md b/README.md
index 87877a357..a8defd712 100644
--- a/README.md
+++ b/README.md
@@ -4,18 +4,18 @@
   __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
-           \/              /____/                              version 1.14.0
+           \/              /____/                              version DEV
 ```
 http://terminal.jcubic.pl
 
-[![npm](https://img.shields.io/badge/npm-1.14.0-blue.svg)](https://www.npmjs.com/package/jquery.terminal)
-![bower](https://img.shields.io/badge/bower-1.14.0-yellow.svg)
-[![travis](https://travis-ci.org/jcubic/jquery.terminal.svg?branch=master&9fe0536f7c6519cd6a63883f8690f3408c26cefa)](https://travis-ci.org/jcubic/jquery.terminal)
-[![Known Vulnerabilities](https://snyk.io/test/npm/jquery.terminal/badge.svg)](https://snyk.io/test/npm/jquery.terminal)
-[![Coverage Status](https://coveralls.io/repos/github/jcubic/jquery.terminal/badge.svg?branch=master&a403bddc443d55ece038847bb49f3786)](https://coveralls.io/github/jcubic/jquery.terminal?branch=master)
+[![npm](https://img.shields.io/badge/npm-DEV-blue.svg)](https://www.npmjs.com/package/jquery.terminal)
+![bower](https://img.shields.io/badge/bower-DEV-yellow.svg)
+[![travis](https://travis-ci.org/jcubic/jquery.terminal.svg?branch=devel&517859d1ce1b4301fe35345de106a9c7ddd88824)](https://travis-ci.org/jcubic/jquery.terminal)
+[![Coverage Status](https://coveralls.io/repos/github/jcubic/jquery.terminal/badge.svg?branch=devel&0ee13e8366bc9538ed96c5af3d14da17)](https://coveralls.io/github/jcubic/jquery.terminal?branch=devel)
 ![downloads](https://img.shields.io/npm/dm/jquery.terminal.svg?style=flat)
 [![package quality](http://npm.packagequality.com/shield/jquery.terminal.svg)](http://packagequality.com/#?package=jquery.terminal)
 [![](https://data.jsdelivr.com/v1/package/npm/jquery.terminal/badge?style=rounded)](https://www.jsdelivr.com/package/npm/jquery.terminal)
+[![](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/jcubic/jquery.terminal/blob/master/LICENSE)
 
 ### Summary
 
@@ -32,7 +32,7 @@ users. It can also be used to debug your application.
 
 * Support for authentication (you can provide functions when users enter
   login and password or if you use JSON-RPC it can automatically call
-  login function on the server and pass token to all functions)
+  login function on the server and pass token to all functions).
 
 * Stack of interpreters - you can create commands that trigger additional
   interpreters (eg. you can use couple of JSON-RPC service and run them
@@ -44,18 +44,23 @@ users. It can also be used to debug your application.
   object/commands as you like. If the value is a string it will create
   JSON-RPC service.
 
-* Support for command line history, it uses Local Storage if possible
+* Support for command line history, it uses Local Storage if possible.
 
-* Support for tab completion
+* Support for tab completion.
 
 * Includes keyboard shortcut from bash like CTRL+A, CTRL+D, CTRL+E etc.
 
 * Multiply terminals on one page (every terminal can have different
-  command, it's own authentication function and it's own command history)
+  command, it's own authentication function and it's own command history).
 
 * It catches all exceptions and displays error messages in the terminal
   (you can see errors in your javascript and php code in terminal if they
-  are in the interpreter function)
+  are in the interpreter function).
+
+* Using extended commands you can change working of the terminal without
+  touching the front-end code (using echo method and terminal formatting
+  like syntax). Read more in
+  [docs](https::/terminal.jcubic.pl/api_reference.php#extended_commands)
 
 ### Installation
 
@@ -68,20 +73,20 @@ Include jQuery library, you can use cdn from http://jquery.com/download/
 ```
 
 
-Then include js/jquery.terminal-1.14.0.min.js and css/jquery.terminal-1.14.0.min.css
+Then include js/jquery.terminal-DEV.min.js and css/jquery.terminal-DEV.min.css
 
 You can grab the files from CDN:
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.terminal/1.14.0/js/jquery.terminal.min.js"></script>
-<link href="https://cdnjs.cloudflare.com/ajax/libs/jquery.terminal/1.14.0/css/jquery.terminal.min.css" rel="stylesheet"/>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.terminal/DEV/js/jquery.terminal.min.js"></script>
+<link href="https://cdnjs.cloudflare.com/ajax/libs/jquery.terminal/DEV/css/jquery.terminal.min.css" rel="stylesheet"/>
 ```
 
 or
 
 ```html
-<script src="https://cdn.jsdelivr.net/npm/jquery.terminal@1.14.0/js/jquery.terminal.min.js"></script>
-<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/jquery.terminal@1.14.0/css/jquery.terminal.min.css">
+<script src="https://cdn.jsdelivr.net/npm/jquery.terminal@DEV/js/jquery.terminal.min.js"></script>
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/jquery.terminal@DEV/css/jquery.terminal.min.css">
 ```
 
 If you always want latest version, you can grab the files directly from github using rawgit.com (that service grab the files from github and use propert MIME type so you can use it in your page, you can also grab from devel branch):
@@ -185,13 +190,21 @@ More examples [here](http://terminal.jcubic.pl/examples.php). You can also check
 If you want to contrubite read [CONTRIBUTING.md](CONTRIBUTING.md) first. Here are project contributors:
 
 <!-- CONTRIBUTORS-START -->
-| [<img src="https://avatars1.githubusercontent.com/u/280241?v=4" width="100px;"/><br /><sub>Jakub Jankiewicz</sub>](http://jcubic.pl/me)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=jcubic) | [<img src="https://avatars1.githubusercontent.com/u/1208327?v=4" width="100px;"/><br /><sub>Zuo Qiyang</sub>](http://zuoqy.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=kid1412z) | [<img src="https://avatars1.githubusercontent.com/u/6674275?v=4" width="100px;"/><br /><sub>Sébastien Warin</sub>](http://sebastien.warin.fr)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=sebastienwarin) | [<img src="https://avatars2.githubusercontent.com/u/8646106?v=4" width="100px;"/><br /><sub>Christopher John Ryan</sub>](https://github.com/ChrisJohnRyan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ChrisJohnRyan) | [<img src="https://avatars3.githubusercontent.com/u/715580?v=4" width="100px;"/><br /><sub>Johan</sub>](https://github.com/johanjordaan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=johanjordaan) | [<img src="https://avatars0.githubusercontent.com/u/273194?v=4" width="100px;"/><br /><sub>Florian Schäfer</sub>](https://github.com/fschaefer)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=fschaefer) | [<img src="https://avatars0.githubusercontent.com/u/1751242?v=4" width="100px;"/><br /><sub>Ishan Ratnapala</sub>](https://github.com/IshanRatnapala)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=IshanRatnapala) |
-| :---: | :---: | :---: | :---: | :---: | :---: | :---: |
-| [<img src="https://avatars2.githubusercontent.com/u/375027?v=4" width="100px;"/><br /><sub>Tomasz Ducin</sub>](http://ducin.it)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ducin) | [<img src="https://avatars1.githubusercontent.com/u/569896?v=4" width="100px;"/><br /><sub>Anton Vasilev</sub>](https://github.com/avdes)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=avdes) | [<img src="https://avatars3.githubusercontent.com/u/336727?v=4" width="100px;"/><br /><sub>finlob</sub>](https://github.com/finlob)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=finlob) | [<img src="https://avatars2.githubusercontent.com/u/9531780?v=4" width="100px;"/><br /><sub>Hasan</sub>](https://github.com/JuanPotato)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=JuanPotato) | [<img src="https://avatars1.githubusercontent.com/u/137852?v=4" width="100px;"/><br /><sub>Hraban Luyat</sub>](https://luyat.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=hraban) | [<img src="https://avatars0.githubusercontent.com/u/74179?v=4" width="100px;"/><br /><sub>Martin v. Löwis</sub>](https://github.com/loewis)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=loewis) | [<img src="https://avatars2.githubusercontent.com/u/27475?v=4" width="100px;"/><br /><sub>Mateusz Paprocki</sub>](https://github.com/mattpap)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mattpap) |
-| [<img src="https://avatars2.githubusercontent.com/u/7055377?v=4" width="100px;"/><br /><sub>exit1</sub>](https://github.com/exit1)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=exit1) | [<img src="https://avatars3.githubusercontent.com/u/1263192?v=4" width="100px;"/><br /><sub>Robert Wikman</sub>](https://github.com/rbw0)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=rbw0) | [<img src="https://avatars1.githubusercontent.com/u/139603?v=4" width="100px;"/><br /><sub>Steve Phillips</sub>](https://tryingtobeawesome.com/)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=elimisteve) | [<img src="https://avatars0.githubusercontent.com/u/1833930?v=4" width="100px;"/><br /><sub>Yutong Luo</sub>](https://yutongluo.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=yutongluo) | [<img src="https://avatars3.githubusercontent.com/u/1573141?v=4" width="100px;"/><br /><sub>coderaiser</sub>](http://coderaiser.github.io)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=coderaiser) | [<img src="https://avatars2.githubusercontent.com/u/282724?v=4" width="100px;"/><br /><sub>mrkaiser</sub>](https://github.com/mrkaiser)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mrkaiser) | [<img src="https://avatars2.githubusercontent.com/u/179534?v=4" width="100px;"/><br /><sub>stereobooster</sub>](https://github.com/stereobooster)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=stereobooster) |
-| [<img src="https://avatars1.githubusercontent.com/u/588573?v=4" width="100px;"/><br /><sub>Juraj Vitko</sub>](https://github.com/youurayy)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=youurayy) |
+| [<img src="https://avatars1.githubusercontent.com/u/280241?v=4" width="100px;"/><br /><sub>Jakub Jankiewicz</sub>](http://jcubic.pl/me)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=jcubic) | [<img src="https://avatars1.githubusercontent.com/u/1208327?v=4" width="100px;"/><br /><sub>Zuo Qiyang</sub>](http://zuoqy.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=kid1412z) | [<img src="https://avatars1.githubusercontent.com/u/4943440?v=4" width="100px;"/><br /><sub>Marcel Link</sub>](https://github.com/ml1nk)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ml1nk) | [<img src="https://avatars1.githubusercontent.com/u/6674275?v=4" width="100px;"/><br /><sub>Sébastien Warin</sub>](http://sebastien.warin.fr)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=sebastienwarin) | [<img src="https://avatars2.githubusercontent.com/u/8646106?v=4" width="100px;"/><br /><sub>Christopher John Ryan</sub>](https://github.com/ChrisJohnRyan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ChrisJohnRyan) | [<img src="https://avatars3.githubusercontent.com/u/715580?v=4" width="100px;"/><br /><sub>Johan</sub>](https://github.com/johanjordaan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=johanjordaan) | [<img src="https://avatars0.githubusercontent.com/u/273194?v=4" width="100px;"/><br /><sub>Florian Schäfer</sub>](https://github.com/fschaefer)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=fschaefer) |
+| :---: | :---: | :---: | :---: | :---: | :---: | :---:  |
+| [<img src="https://avatars0.githubusercontent.com/u/1751242?v=4" width="100px;"/><br /><sub>Ishan Ratnapala</sub>](https://github.com/IshanRatnapala)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=IshanRatnapala) | [<img src="https://avatars2.githubusercontent.com/u/375027?v=4" width="100px;"/><br /><sub>Tomasz Ducin</sub>](http://ducin.it)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ducin) | [<img src="https://avatars1.githubusercontent.com/u/569896?v=4" width="100px;"/><br /><sub>Anton Vasilev</sub>](https://github.com/avdes)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=avdes) | [<img src="https://avatars3.githubusercontent.com/u/336727?v=4" width="100px;"/><br /><sub>finlob</sub>](https://github.com/finlob)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=finlob) | [<img src="https://avatars2.githubusercontent.com/u/9531780?v=4" width="100px;"/><br /><sub>Hasan</sub>](https://github.com/JuanPotato)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=JuanPotato) | [<img src="https://avatars1.githubusercontent.com/u/137852?v=4" width="100px;"/><br /><sub>Hraban Luyat</sub>](https://luyat.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=hraban) | [<img src="https://avatars0.githubusercontent.com/u/74179?v=4" width="100px;"/><br /><sub>Martin v. Löwis</sub>](https://github.com/loewis)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=loewis) |
+| [<img src="https://avatars2.githubusercontent.com/u/27475?v=4" width="100px;"/><br /><sub>Mateusz Paprocki</sub>](https://github.com/mattpap)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mattpap) | [<img src="https://avatars2.githubusercontent.com/u/7055377?v=4" width="100px;"/><br /><sub>exit1</sub>](https://github.com/exit1)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=exit1) | [<img src="https://avatars3.githubusercontent.com/u/1263192?v=4" width="100px;"/><br /><sub>Robert Wikman</sub>](https://github.com/rbw0)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=rbw0) | [<img src="https://avatars1.githubusercontent.com/u/139603?v=4" width="100px;"/><br /><sub>Steve Phillips</sub>](https://tryingtobeawesome.com/)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=elimisteve) | [<img src="https://avatars0.githubusercontent.com/u/1833930?v=4" width="100px;"/><br /><sub>Yutong Luo</sub>](https://yutongluo.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=yutongluo) | [<img src="https://avatars3.githubusercontent.com/u/1573141?v=4" width="100px;"/><br /><sub>coderaiser</sub>](http://coderaiser.github.io)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=coderaiser) | [<img src="https://avatars2.githubusercontent.com/u/282724?v=4" width="100px;"/><br /><sub>mrkaiser</sub>](https://github.com/mrkaiser)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mrkaiser) |
+| [<img src="https://avatars2.githubusercontent.com/u/179534?v=4" width="100px;"/><br /><sub>stereobooster</sub>](https://github.com/stereobooster)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=stereobooster) | [<img src="https://avatars1.githubusercontent.com/u/588573?v=4" width="100px;"/><br /><sub>Juraj Vitko</sub>](https://github.com/youurayy)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=youurayy) |
 <!-- CONTRIBUTORS-END -->
 
+[jQuery Terminal Website](https://github.com/jcubic/jquery.terminal-www) contributors:
+
+<!-- CONTRIBUTORS-WWW-START -->
+| [<img src="https://avatars1.githubusercontent.com/u/280241?v=4" width="100px;"/><br /><sub>Jakub Jankiewicz</sub>](http://jcubic.pl/me)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=jcubic) | [<img src="https://avatars0.githubusercontent.com/u/31372?v=4" width="100px;"/><br /><sub>Rich Morin</sub>](http://www.cfcl.com/rdm)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=RichMorin) | [<img src="https://avatars0.githubusercontent.com/u/26324569?v=4" width="100px;"/><br /><sub>DInesh51297</sub>](https://github.com/DInesh51297)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=DInesh51297) | [<img src="https://avatars1.githubusercontent.com/u/512317?v=4" width="100px;"/><br /><sub>Logan Rosen</sub>](http://www.loganrosen.com/)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=loganrosen) |
+| :---: | :---: | :---: | :---:  |
+<!-- CONTRIBUTORS-WWW-END -->
+
+
 ### License
 
 Licensed under [MIT](http://opensource.org/licenses/MIT) license
diff --git a/contributors b/contributors
index 478b528a0..aa2fd01d5 100755
--- a/contributors
+++ b/contributors
@@ -4,12 +4,14 @@ var https = require('https');
 var path = require('path');
 var fs = require('fs');
 var argv = require('optimist').argv;
+var request = require('request');
+
 
 function split_equal(array, length) {
     var result = [];
     var len = array.length;
     if (len < length) {
-        return array;
+        return [array];
     } else if (length < 0) {
         throw new Error("split_equal: length can't be negative");
     }
@@ -19,10 +21,10 @@ function split_equal(array, length) {
     return result;
 }
 
-function get(host, path) {
+function get(url, query) {
     var options = {
-        host: host,
-        path: path,
+        url: url,
+        qs: query,
         headers: {
             'User-Agent': 'Node.js'
         }
@@ -30,22 +32,16 @@ function get(host, path) {
     if (argv.auth) {
         options.auth = argv.auth;
     }
+    //return;
     return new Promise(function(resolve, reject) {
-        https.get(options, function(res) {
+        request(options, function(error, res, body) {
             if (res.statusCode == 200) {
-                var output = '';
-                res.setEncoding('utf8');
-
-                res.on('data', function (chunk) {
-                    output += chunk;
-                });
-
-                res.on('end', function() {
-                    resolve(JSON.parse(output));
-                });
+                resolve(JSON.parse(body));
             } else if (+res.headers['x-ratelimit-remaining'] == 0) {
                 var date = new Date(+res.headers['x-ratelimit-reset']*1000);
                 reject('Rate limit util ' + date);
+            } else {
+                reject('Error code ' + res.statusCode);
             }
         });
     });
@@ -56,10 +52,16 @@ if (argv.u && argv.r) {
     var user = argv.u;
     var repo = argv.r;
     var path = '/repos/' + user + '/' + repo + '/contributors';
-    get('api.github.com', path + '?per_page=100').then(function(contributors) {
+    var query = {
+        "per_page": 100
+    };
+    if (argv.t) {
+        query['access_token'] = argv.t;
+    }
+    get('https://api.github.com' + path, query).then(function(contributors) {
         return Promise.all(contributors.map(function(contributor) {
             var path = contributor.url.replace(/https:\/\/[^\/]+/, '');
-            return get('api.github.com', path).then(function(user) {
+            return get('https://api.github.com' + path, query).then(function(user) {
                 if (user.name || user.login) {
                     var object = {
                         name: user.name || user.login
@@ -82,8 +84,9 @@ if (argv.u && argv.r) {
         }).filter(Boolean));
     }).then(function(contributors) {
         if (argv.m) {
-            var align = '| :---: | :---: | :---: | :---: | :---: | :---: | :---: |';
-            var rows = split_equal(contributors, 7).map(function(list) {
+            var split = split_equal(contributors, 7);
+            var align = new Array(split[0].length + 1).join('| :---: ') + ' |';
+            var rows = split.map(function(list) {
                 return '| ' + list.map(function(contributor) {
                     return '[<img src="' + contributor.avatar + '" width="100px;"/>' +
                         '<br /><sub>' + contributor.name + '</sub>](' +
diff --git a/css/jquery.terminal-1.14.0.css b/css/jquery.terminal-1.14.0.css
index 6f128651b..680741248 100644
--- a/css/jquery.terminal-1.14.0.css
+++ b/css/jquery.terminal-1.14.0.css
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  * http://terminal.jcubic.pl
  *
  * This file is part of jQuery Terminal.
@@ -12,7 +12,7 @@
  * Copyright (c) 2011-2018 Jakub Jankiewicz <http://jcubic.pl>
  * Released under the MIT license
  *
- * Date: Sat, 24 Mar 2018 16:04:13 +0000
+ * Date: Sat, 12 May 2018 08:39:20 +0000
  */
 .terminal .terminal-output .format, .cmd .format,
 .cmd .prompt, .cmd .prompt div, .terminal .terminal-output div div{
@@ -244,6 +244,7 @@ terminal .terminal-output > div {
 }
 .terminal .terminal-output div.error, .terminal .terminal-output div.error div {
     color: red;
+    color: var(--error-color, red);
 }
 .tilda {
     position: fixed;
@@ -281,7 +282,7 @@ terminal .terminal-output > div {
     height: 100%;
     margin: 1px 0 0;
     border: none;
-    opacity: 0;
+    opacity: 0.01;
     pointer-events: none;
     box-sizing: border-box;
 }
diff --git a/css/jquery.terminal-1.14.0.min.css b/css/jquery.terminal-1.14.0.min.css
index 242581f5d..98a772c1e 100644
--- a/css/jquery.terminal-1.14.0.min.css
+++ b/css/jquery.terminal-1.14.0.min.css
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  * http://terminal.jcubic.pl
  *
  * This file is part of jQuery Terminal.
@@ -12,5 +12,5 @@
  * Copyright (c) 2011-2018 Jakub Jankiewicz <http://jcubic.pl>
  * Released under the MIT license
  *
- * Date: Sat, 24 Mar 2018 16:04:13 +0000
- */.cmd .format,.cmd .prompt,.cmd .prompt div,.terminal .terminal-output .format,.terminal .terminal-output div div{display:inline-block}.cmd,.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6,.terminal pre{margin:0}.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6{line-height:1.2em}.cmd .clipboard{position:absolute;left:-16px;top:0;width:20px;height:16px;background:transparent;border:none;color:transparent;outline:none;padding:0;resize:none;z-index:1000;overflow:hidden;white-space:pre;text-indent:-9999em}.terminal audio,.terminal canvas,.terminal img,.terminal object,.terminal value{cursor:default}.terminal .error{color:red}.terminal{position:relative;overflow-y:auto}.cmd,.terminal{contain:content}body.terminal{height:100%;min-height:100vh;margin:0}.terminal>div{overflow:hidden}.terminal>.font .resizer,.terminal>.resizer{position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;z-index:-1;visibility:hidden;height:100%;border:none;padding:0;width:100%}.cmd{padding:0;position:relative;float:left;padding-bottom:3px}.terminal a[tabindex="1000"],.terminal a[tabindex="1000"]:active,.terminal a[tabindex="1000"]:focus{outline:none}.cmd .inverted,.terminal .inverted{background-color:#aaa;color:#000}.cmd .cursor{border-bottom:3px solid transparent;margin-bottom:-3px;background-clip:content-box}.cmd .cursor.blink{-webkit-animation:terminal-blink 1s infinite step-start;animation:terminal-blink 1s infinite step-start;border-left:1px solid transparent;margin-left:-1px}.bar.cmd .inverted,.bar.terminal .inverted{border-left-color:#aaa}.cmd .prompt,.terminal .terminal-output div div{display:block;line-height:14px;height:auto}.terminal .terminal-output>div:not(.raw) div{white-space:nowrap}.cmd .prompt>span{float:left}.cmd,.terminal{font-family:monospace;color:#aaa;background-color:#000;font-size:12px;line-height:14px;box-sizing:border-box;cursor:text}.cmd div{clear:both}.cmd .prompt+div{clear:right}.terminal-output>div>div{min-height:14px}terminal .terminal-output>div{margin-top:-1px}.terminal-output>div.raw>div *{overflow-wrap:break-word;word-wrap:break-word}.terminal .font{position:absolute;font-size:inherit;width:1em;height:1em;top:-100%;left:0;margin-bottom:1px}.terminal .terminal-output div span{display:inline-block}.cmd>span:not(.prompt){float:left}.cmd .prompt span.line{display:block;float:none}.terminal table{border-collapse:collapse}.terminal td{border:1px solid #aaa}.cmd .prompt span::-moz-selection,.cmd>div::-moz-selection,.cmd>div span::-moz-selection,.cmd>span::-moz-selection,.cmd>span span::-moz-selection,.cmd div::-moz-selection,.terminal .terminal-output .raw div::-moz-selection,.terminal .terminal-output div div::-moz-selection,.terminal .terminal-output div div a::-moz-selection,.terminal .terminal-output div span::-moz-selection,.terminal h1::-moz-selection,.terminal h2::-moz-selection,.terminal h3::-moz-selection,.terminal h4::-moz-selection,.terminal h5::-moz-selection,.terminal h6::-moz-selection,.terminal pre::-moz-selection,.terminal td::-moz-selection{background-color:#aaa;color:#000}.cmd .prompt span::selection,.cmd>div::selection,.cmd>div span::selection,.cmd>span::selection,.cmd>span span::selection,.cmd div::selection,.terminal .terminal-output .raw div::selection,.terminal .terminal-output div div::selection,.terminal .terminal-output div div a::selection,.terminal .terminal-output div span::selection,.terminal h1::selection,.terminal h2::selection,.terminal h3::selection,.terminal h4::selection,.terminal h5::selection,.terminal h6::selection,.terminal pre::selection,.terminal td::selection{background-color:hsla(0,0%,67%,.99);color:#000}.terminal .terminal-output div.error,.terminal .terminal-output div.error div{color:red}.tilda{position:fixed;top:0;left:0;width:100%;z-index:1100}.ui-dialog-content .terminal{width:100%;height:100%;box-sizing:border-box}.ui-dialog .ui-dialog-content.dterm{padding:0}.clear{clear:both}.terminal a{color:#0f60ff;color:var(--link-color,#0f60ff)}.terminal a:hover{background:#0f60ff;background:var(--link-color,#0f60ff);color:var(--background,#000);text-decoration:none}.terminal .terminal-fill{position:absolute;left:0;top:-100%;width:100%;height:100%;margin:1px 0 0;border:none;opacity:0;pointer-events:none;box-sizing:border-box}.terminal,.terminal .terminal-fill{padding:10px}@-webkit-keyframes terminal-blink{0%,to{background-color:#000;color:#aaa}50%{background-color:#bbb;color:#000}}@keyframes terminal-blink{0%,to{background-color:#000;color:#aaa}50%{background-color:#bbb;color:#000}}@-webkit-keyframes terminal-bar{0%,to{border-left-color:#aaa}50%{border-left-color:#000}}@keyframes terminal-bar{0%,to{border-left-color:#aaa}50%{border-left-color:#000}}@-webkit-keyframes terminal-underline{0%,to{border-bottom-color:#aaa;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}50%{border-bottom-color:#000;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}}@keyframes terminal-underline{0%,to{border-bottom-color:#aaa;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}50%{border-bottom-color:#000;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}}.underline-animation .cursor.blink{border-left:none;-webkit-animation-name:terminal-underline;animation-name:terminal-underline}.bar-animation .cursor.blink{-webkit-animation-name:terminal-bar;animation-name:terminal-bar}@supports (--css:variables){.cmd,.terminal{color:var(--color,#aaa);background-color:var(--background,#000)}.terminal .font{width:calc(var(--size, 1) * 1em);height:calc(var(--size, 1) * 1em)}.terminal span[style*="--length"]{width:calc(var(--length, 1) * var(--char-width, 7.23438) * 1px);display:inline-block}.cmd,.cmd .prompt,.terminal,.terminal .terminal-output>div>div{font-size:calc(var(--size, 1) * 12px);line-height:calc(var(--size, 1) * 14px)}.terminal .terminal-output>div>div{min-height:calc(var(--size, 1) * 14px)}.cmd .inverted,.terminal .inverted{background-color:var(--color,#aaa);color:var(--background,#000)}.cmd .cursor.blink{-webkit-animation:var(--animation,terminal-blink) 1s infinite step-start;animation:var(--animation,terminal-blink) 1s infinite step-start;color:var(--color,#aaa);background-color:var(--background,#000)}.cmd .prompt span::-moz-selection,.cmd>div::-moz-selection,.cmd>div span::-moz-selection,.cmd>span::-moz-selection,.cmd>span span::-moz-selection,.cmd div::-moz-selection,.terminal .terminal-output div div::-moz-selection,.terminal .terminal-output div div a::-moz-selection,.terminal .terminal-output div span::-moz-selection,.terminal h1::-moz-selection,.terminal h2::-moz-selection,.terminal h3::-moz-selection,.terminal h4::-moz-selection,.terminal h5::-moz-selection,.terminal h6::-moz-selection,.terminal pre::-moz-selection,.terminal td::-moz-selection{background-color:var(--color,#aaa);color:var(--background,#000)}.cmd .prompt span::selection,.cmd>div::selection,.cmd>div span::selection,.cmd>span::selection,.cmd>span span::selection,.cmd div::selection,.terminal .terminal-output div div::selection,.terminal .terminal-output div div a::selection,.terminal .terminal-output div span::selection,.terminal h1::selection,.terminal h2::selection,.terminal h3::selection,.terminal h4::selection,.terminal h5::selection,.terminal h6::selection,.terminal pre::selection,.terminal td::selection{background-color:var(--color,hsla(0,0%,67%,.99));color:var(--background,#000)}@-webkit-keyframes terminal-blink{0%,to{background-color:var(--background,#000);color:var(--color,#aaa)}50%{background-color:var(--color,#aaa);color:var(--background,#000)}}@keyframes terminal-blink{0%,to{background-color:var(--background,#000);color:var(--color,#aaa)}50%{background-color:var(--color,#aaa);color:var(--background,#000)}}@-webkit-keyframes terminal-bar{0%,to{border-left-color:var(--background,#000)}50%{border-left-color:var(--color,#aaa)}}@keyframes terminal-bar{0%,to{border-left-color:var(--background,#000)}50%{border-left-color:var(--color,#aaa)}}@-webkit-keyframes terminal-underline{0%,to{border-bottom-color:var(--color,#aaa);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}50%{border-bottom-color:var(--background,#000);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}}@keyframes terminal-underline{0%,to{border-bottom-color:var(--background,#000);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}50%{border-bottom-color:var(--color,#aaa);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}}}@supports (-ms-ime-align:auto){.cmd .prompt span::selection,.cmd>div::selection,.cmd>div span::selection,.cmd>span::selection,.cmd>span span::selection,.cmd div::selection,.terminal .terminal-output div div::selection,.terminal .terminal-output div div a::selection,.terminal .terminal-output div span::selection,.terminal h1::selection,.terminal h2::selection,.terminal h3::selection,.terminal h4::selection,.terminal h5::selection,.terminal h6::selection,.terminal pre::selection,.terminal td::selection{background-color:hsla(0,0%,67%,.99);color:#000}}
\ No newline at end of file
+ * Date: Sat, 12 May 2018 08:39:20 +0000
+ */.cmd .format,.cmd .prompt,.cmd .prompt div,.terminal .terminal-output .format,.terminal .terminal-output div div{display:inline-block}.cmd,.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6,.terminal pre{margin:0}.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6{line-height:1.2em}.cmd .clipboard{position:absolute;left:-16px;top:0;width:20px;height:16px;background:transparent;border:none;color:transparent;outline:none;padding:0;resize:none;z-index:1000;overflow:hidden;white-space:pre;text-indent:-9999em}.terminal audio,.terminal canvas,.terminal img,.terminal object,.terminal value{cursor:default}.terminal .error{color:red}.terminal{position:relative;overflow-y:auto}.cmd,.terminal{contain:content}body.terminal{height:100%;min-height:100vh;margin:0}.terminal>div{overflow:hidden}.terminal>.font .resizer,.terminal>.resizer{position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;z-index:-1;visibility:hidden;height:100%;border:none;padding:0;width:100%}.cmd{padding:0;position:relative;float:left;padding-bottom:3px}.terminal a[tabindex="1000"],.terminal a[tabindex="1000"]:active,.terminal a[tabindex="1000"]:focus{outline:none}.cmd .inverted,.terminal .inverted{background-color:#aaa;color:#000}.cmd .cursor{border-bottom:3px solid transparent;margin-bottom:-3px;background-clip:content-box}.cmd .cursor.blink{-webkit-animation:terminal-blink 1s infinite step-start;animation:terminal-blink 1s infinite step-start;border-left:1px solid transparent;margin-left:-1px}.bar.cmd .inverted,.bar.terminal .inverted{border-left-color:#aaa}.cmd .prompt,.terminal .terminal-output div div{display:block;line-height:14px;height:auto}.terminal .terminal-output>div:not(.raw) div{white-space:nowrap}.cmd .prompt>span{float:left}.cmd,.terminal{font-family:monospace;color:#aaa;background-color:#000;font-size:12px;line-height:14px;box-sizing:border-box;cursor:text}.cmd div{clear:both}.cmd .prompt+div{clear:right}.terminal-output>div>div{min-height:14px}terminal .terminal-output>div{margin-top:-1px}.terminal-output>div.raw>div *{overflow-wrap:break-word;word-wrap:break-word}.terminal .font{position:absolute;font-size:inherit;width:1em;height:1em;top:-100%;left:0;margin-bottom:1px}.terminal .terminal-output div span{display:inline-block}.cmd>span:not(.prompt){float:left}.cmd .prompt span.line{display:block;float:none}.terminal table{border-collapse:collapse}.terminal td{border:1px solid #aaa}.cmd .prompt span::-moz-selection,.cmd>div::-moz-selection,.cmd>div span::-moz-selection,.cmd>span::-moz-selection,.cmd>span span::-moz-selection,.cmd div::-moz-selection,.terminal .terminal-output .raw div::-moz-selection,.terminal .terminal-output div div::-moz-selection,.terminal .terminal-output div div a::-moz-selection,.terminal .terminal-output div span::-moz-selection,.terminal h1::-moz-selection,.terminal h2::-moz-selection,.terminal h3::-moz-selection,.terminal h4::-moz-selection,.terminal h5::-moz-selection,.terminal h6::-moz-selection,.terminal pre::-moz-selection,.terminal td::-moz-selection{background-color:#aaa;color:#000}.cmd .prompt span::selection,.cmd>div::selection,.cmd>div span::selection,.cmd>span::selection,.cmd>span span::selection,.cmd div::selection,.terminal .terminal-output .raw div::selection,.terminal .terminal-output div div::selection,.terminal .terminal-output div div a::selection,.terminal .terminal-output div span::selection,.terminal h1::selection,.terminal h2::selection,.terminal h3::selection,.terminal h4::selection,.terminal h5::selection,.terminal h6::selection,.terminal pre::selection,.terminal td::selection{background-color:hsla(0,0%,67%,.99);color:#000}.terminal .terminal-output div.error,.terminal .terminal-output div.error div{color:red;color:var(--error-color,red)}.tilda{position:fixed;top:0;left:0;width:100%;z-index:1100}.ui-dialog-content .terminal{width:100%;height:100%;box-sizing:border-box}.ui-dialog .ui-dialog-content.dterm{padding:0}.clear{clear:both}.terminal a{color:#0f60ff;color:var(--link-color,#0f60ff)}.terminal a:hover{background:#0f60ff;background:var(--link-color,#0f60ff);color:var(--background,#000);text-decoration:none}.terminal .terminal-fill{position:absolute;left:0;top:-100%;width:100%;height:100%;margin:1px 0 0;border:none;opacity:.01;pointer-events:none;box-sizing:border-box}.terminal,.terminal .terminal-fill{padding:10px}@-webkit-keyframes terminal-blink{0%,to{background-color:#000;color:#aaa}50%{background-color:#bbb;color:#000}}@keyframes terminal-blink{0%,to{background-color:#000;color:#aaa}50%{background-color:#bbb;color:#000}}@-webkit-keyframes terminal-bar{0%,to{border-left-color:#aaa}50%{border-left-color:#000}}@keyframes terminal-bar{0%,to{border-left-color:#aaa}50%{border-left-color:#000}}@-webkit-keyframes terminal-underline{0%,to{border-bottom-color:#aaa;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}50%{border-bottom-color:#000;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}}@keyframes terminal-underline{0%,to{border-bottom-color:#aaa;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}50%{border-bottom-color:#000;position:relative;line-height:12px;margin-top:1px;border-left:none;margin-left:0}}.underline-animation .cursor.blink{border-left:none;-webkit-animation-name:terminal-underline;animation-name:terminal-underline}.bar-animation .cursor.blink{-webkit-animation-name:terminal-bar;animation-name:terminal-bar}@supports (--css:variables){.cmd,.terminal{color:var(--color,#aaa);background-color:var(--background,#000)}.terminal .font{width:calc(var(--size, 1) * 1em);height:calc(var(--size, 1) * 1em)}.terminal span[style*="--length"]{width:calc(var(--length, 1) * var(--char-width, 7.23438) * 1px);display:inline-block}.cmd,.cmd .prompt,.terminal,.terminal .terminal-output>div>div{font-size:calc(var(--size, 1) * 12px);line-height:calc(var(--size, 1) * 14px)}.terminal .terminal-output>div>div{min-height:calc(var(--size, 1) * 14px)}.cmd .inverted,.terminal .inverted{background-color:var(--color,#aaa);color:var(--background,#000)}.cmd .cursor.blink{-webkit-animation:var(--animation,terminal-blink) 1s infinite step-start;animation:var(--animation,terminal-blink) 1s infinite step-start;color:var(--color,#aaa);background-color:var(--background,#000)}.cmd .prompt span::-moz-selection,.cmd>div::-moz-selection,.cmd>div span::-moz-selection,.cmd>span::-moz-selection,.cmd>span span::-moz-selection,.cmd div::-moz-selection,.terminal .terminal-output div div::-moz-selection,.terminal .terminal-output div div a::-moz-selection,.terminal .terminal-output div span::-moz-selection,.terminal h1::-moz-selection,.terminal h2::-moz-selection,.terminal h3::-moz-selection,.terminal h4::-moz-selection,.terminal h5::-moz-selection,.terminal h6::-moz-selection,.terminal pre::-moz-selection,.terminal td::-moz-selection{background-color:var(--color,#aaa);color:var(--background,#000)}.cmd .prompt span::selection,.cmd>div::selection,.cmd>div span::selection,.cmd>span::selection,.cmd>span span::selection,.cmd div::selection,.terminal .terminal-output div div::selection,.terminal .terminal-output div div a::selection,.terminal .terminal-output div span::selection,.terminal h1::selection,.terminal h2::selection,.terminal h3::selection,.terminal h4::selection,.terminal h5::selection,.terminal h6::selection,.terminal pre::selection,.terminal td::selection{background-color:var(--color,hsla(0,0%,67%,.99));color:var(--background,#000)}@-webkit-keyframes terminal-blink{0%,to{background-color:var(--background,#000);color:var(--color,#aaa)}50%{background-color:var(--color,#aaa);color:var(--background,#000)}}@keyframes terminal-blink{0%,to{background-color:var(--background,#000);color:var(--color,#aaa)}50%{background-color:var(--color,#aaa);color:var(--background,#000)}}@-webkit-keyframes terminal-bar{0%,to{border-left-color:var(--background,#000)}50%{border-left-color:var(--color,#aaa)}}@keyframes terminal-bar{0%,to{border-left-color:var(--background,#000)}50%{border-left-color:var(--color,#aaa)}}@-webkit-keyframes terminal-underline{0%,to{border-bottom-color:var(--color,#aaa);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}50%{border-bottom-color:var(--background,#000);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}}@keyframes terminal-underline{0%,to{border-bottom-color:var(--background,#000);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}50%{border-bottom-color:var(--color,#aaa);position:relative;line-height:calc(var(--size, 1) * 12px);margin-top:calc(var(--size, 1) * 1px);border-left:none;margin-left:0}}}@supports (-ms-ime-align:auto){.cmd .prompt span::selection,.cmd>div::selection,.cmd>div span::selection,.cmd>span::selection,.cmd>span span::selection,.cmd div::selection,.terminal .terminal-output div div::selection,.terminal .terminal-output div div a::selection,.terminal .terminal-output div span::selection,.terminal h1::selection,.terminal h2::selection,.terminal h3::selection,.terminal h4::selection,.terminal h5::selection,.terminal h6::selection,.terminal pre::selection,.terminal td::selection{background-color:hsla(0,0%,67%,.99);color:#000}}
\ No newline at end of file
diff --git a/css/jquery.terminal-src.css b/css/jquery.terminal-src.css
index ce23802ef..e62d3f93b 100644
--- a/css/jquery.terminal-src.css
+++ b/css/jquery.terminal-src.css
@@ -244,6 +244,7 @@ terminal .terminal-output > div {
 }
 .terminal .terminal-output div.error, .terminal .terminal-output div.error div {
     color: red;
+    color: var(--error-color, red);
 }
 .tilda {
     position: fixed;
@@ -281,7 +282,7 @@ terminal .terminal-output > div {
     height: 100%;
     margin: 1px 0 0;
     border: none;
-    opacity: 0;
+    opacity: 0.01;
     pointer-events: none;
     box-sizing: border-box;
 }
diff --git a/css/jquery.terminal.css b/css/jquery.terminal.css
index 6f128651b..680741248 100644
--- a/css/jquery.terminal.css
+++ b/css/jquery.terminal.css
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  * http://terminal.jcubic.pl
  *
  * This file is part of jQuery Terminal.
@@ -12,7 +12,7 @@
  * Copyright (c) 2011-2018 Jakub Jankiewicz <http://jcubic.pl>
  * Released under the MIT license
  *
- * Date: Sat, 24 Mar 2018 16:04:13 +0000
+ * Date: Sat, 12 May 2018 08:39:20 +0000
  */
 .terminal .terminal-output .format, .cmd .format,
 .cmd .prompt, .cmd .prompt div, .terminal .terminal-output div div{
@@ -244,6 +244,7 @@ terminal .terminal-output > div {
 }
 .terminal .terminal-output div.error, .terminal .terminal-output div.error div {
     color: red;
+    color: var(--error-color, red);
 }
 .tilda {
     position: fixed;
@@ -281,7 +282,7 @@ terminal .terminal-output > div {
     height: 100%;
     margin: 1px 0 0;
     border: none;
-    opacity: 0;
+    opacity: 0.01;
     pointer-events: none;
     box-sizing: border-box;
 }
diff --git a/css/jquery.terminal.min.css b/css/jquery.terminal.min.css
index 242581f5d..98a772c1e 100644
--- a/css/jquery.terminal.min.css
+++ b/css/jquery.terminal.min.css
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  * http://terminal.jcubic.pl
  *
  * This file is part of jQuery Terminal.
@@ -12,5 +12,5 @@
  * Copyright (c) 2011-2018 Jakub Jankiewicz <http://jcubic.pl>
  * Released under the MIT license
  *
- * Date: Sat, 24 Mar 2018 16:04:13 +0000
- */.cmd .format,.cmd .prompt,.cmd .prompt div,.terminal .terminal-output .format,.terminal .terminal-output div div{display:inline-block}.cmd,.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6,.terminal pre{margin:0}.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6{line-height:1.2em}.cmd .clipboard{position:absolute;left:-16px;top:0;width:20px;height:16px;background:transparent;border:none;color:transparent;outline:none;padding:0;resize:none;z-index:1000;overflow:hidden;white-space:pre;text-indent:-9999em}.terminal audio,.terminal canvas,.terminal img,.terminal object,.terminal value{cursor:default}.terminal .error{color:red}.terminal{position:relative;overflow-y:auto}.cmd,.terminal{contain:content}body.terminal{height:100%;min-height:100vh;margin:0}.terminal>div{overflow:hidden}.terminal>.font .resizer,.terminal>.resizer{position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;z-index:-1;visibility:hidden;height:100%;border:none;padding:0;width:100%}.cmd{padding:0;position:relative;float:left;padding-bottom:3px}.terminal a[tabindex="1000"],.terminal a[tabindex="1000"]:active,.terminal a[tabindex="1000"]:focus{outline:none}.cmd .inverted,.terminal .inverted{background-color:#aaa;color:#000}.cmd .cursor{border-bottom:3px solid transparent;margin-bottom:-3px;background-clip:content-box}.cmd .cursor.blink{-webkit-animation:terminal-blink 1s infinite step-start;animation:terminal-blink 1s infinite step-start;border-left:1px solid transparent;margin-left:-1px}.bar.cmd .inverted,.bar.terminal .inverted{border-left-color:#aaa}.cmd .prompt,.terminal .terminal-output div div{display:block;line-height:14px;height:auto}.terminal .terminal-output>div:not(.raw) div{white-space:nowrap}.cmd 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\ No newline at end of file
+ * Date: Sat, 12 May 2018 08:39:20 +0000
+ */.cmd .format,.cmd .prompt,.cmd .prompt div,.terminal .terminal-output .format,.terminal .terminal-output div div{display:inline-block}.cmd,.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6,.terminal pre{margin:0}.terminal h1,.terminal h2,.terminal h3,.terminal h4,.terminal h5,.terminal h6{line-height:1.2em}.cmd .clipboard{position:absolute;left:-16px;top:0;width:20px;height:16px;background:transparent;border:none;color:transparent;outline:none;padding:0;resize:none;z-index:1000;overflow:hidden;white-space:pre;text-indent:-9999em}.terminal audio,.terminal canvas,.terminal img,.terminal object,.terminal value{cursor:default}.terminal .error{color:red}.terminal{position:relative;overflow-y:auto}.cmd,.terminal{contain:content}body.terminal{height:100%;min-height:100vh;margin:0}.terminal>div{overflow:hidden}.terminal>.font 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\ No newline at end of file
diff --git a/import.html b/import.html
index 3784a587c..7aa79b286 100644
--- a/import.html
+++ b/import.html
@@ -2,7 +2,7 @@
 <html>
 <head>
 <script src="https://code.jquery.com/jquery-3.2.1.min.js"></script>
-<script src="https://cdn.rawgit.com/jcubic/jquery.terminal/master/js/jquery.terminal.min.js"></script>
+<script src="https://cdn.rawgit.com/jcubic/jquery.terminal/devel/js/jquery.terminal.min.js"></script>
 <style>
 body {
     min-height: 100vh;
@@ -11,7 +11,7 @@
 </style>
 <script>
 (function() {
-    var url = 'https://cdn.rawgit.com/jcubic/jquery.terminal/master/css/jquery.terminal.min.css';
+    var url = 'https://cdn.rawgit.com/jcubic/jquery.terminal/devel/css/jquery.terminal.min.css';
     var $ = jQuery.noConflict();
     $('<link href="' + url + '" rel="stylesheet"/>').appendTo('head');
     var importDoc = document.currentScript.ownerDocument;
diff --git a/js/jquery.terminal-1.12.1.min.js b/js/jquery.terminal-1.12.1.min.js
new file mode 100644
index 000000000..83bb19225
--- /dev/null
+++ b/js/jquery.terminal-1.12.1.min.js
@@ -0,0 +1,37 @@
+/**@license
+ *       __ _____                     ________                              __
+ *      / // _  /__ __ _____ ___ __ _/__  ___/__ ___ ______ __ __  __ ___  / /
+ *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
+ * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
+ * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
+ *           \/              /____/                              version DEV
+ *
+ * This file is part of jQuery Terminal. http://terminal.jcubic.pl
+ *
+ * Copyright (c) 2010-2018 Jakub Jankiewicz <http://jcubic.pl/me>
+ * Released under the MIT license
+ *
+ * Contains:
+ *
+ * Storage plugin Distributed under the MIT License
+ * modified to work from Data URIs that block storage and cookies in Chrome
+ * Copyright (c) 2010 Dave Schindler
+ *
+ * jQuery Timers licenced with the WTFPL
+ * <http://jquery.offput.ca/timers/>
+ *
+ * Cross-Browser Split 1.1.1
+ * Copyright 2007-2012 Steven Levithan <stevenlevithan.com>
+ * Available under the MIT License
+ *
+ * jQuery Caret
+ * Copyright (c) 2009, Gideon Sireling
+ * 3 clause BSD License
+ *
+ * sprintf.js
+ * Copyright (c) 2007-2013 Alexandru Marasteanu <hello at alexei dot ro>
+ * licensed under 3 clause BSD license
+ *
+ * Date: Thu, 05 Apr 2018 15:42:16 +0000
+ */
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",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"ArrowLeft",38:"ArrowUp",39:"ArrowRight",40:"ArrowDown",41:"Select",42:"Print",43:"Execute",44:"PrintScreen",45:"Insert",46:"Delete",48:["0",")"],49:["1","!"],50:["2","@"],51:["3","#"],52:["4","$"],53:["5","%"],54:["6","^"],55:["7","&"],56:["8","*"],57:["9","("],91:"OS",93:"ContextMenu",144:"NumLock",145:"ScrollLock",181:"VolumeMute",182:"VolumeDown",183:"VolumeUp",186:[";",":"],187:["=","+"],188:[",","<"],189:["-","_"],190:[".",">"],191:["/","?"],192:["`","~"],219:["[","{"],220:["\\","|"],221:["]","}"],222:["'",'"'],224:"Meta",225:"AltGraph",246:"Attn",247:"CrSel",248:"ExSel",249:"EraseEof",250:"Play",251:"ZoomOut"};for(Ae=1;Ae<25;Ae++){xe[111+Ae]="F"+Ae}var ke="";for(Ae=65;Ae<91;Ae++){ke=String.fromCharCode(Ae);xe[Ae]=[ke.toLowerCase(),ke.toUpperCase()]}var Ce={};Object.keys(xe).forEach(function(e){if(xe[e]instanceof Array){xe[e].forEach(function(t){Ce[t.toUpperCase()]=e})}else{Ce[xe[e].toUpperCase()]=e}});if(pe.ignoreSystemDescribe===true){pe.describe=false}if(pe.width){W.width(pe.width)}if(pe.height){W.height(pe.height)}if(W.is("body")&&!!window.chrome&&!!window.chrome.webstore){K=$("body,html")}else{K=W}$(document).bind("ajaxSend.terminal_"+W.id(),function(e,t){requests.push(t)});var Se=$('<div class="terminal-wrapper"/>').appendTo(W);var Ee=$('<div class="font"/>').appendTo(W);var Te=$('<div class="terminal-fill"/>').appendTo(W);Y=$("<div>").addClass("terminal-output").attr("role","log").appendTo(Se);W.addClass("terminal");if(pe.login&&$.isFunction(pe.onBeforeLogin)){try{if(pe.onBeforeLogin.call(W,W)===false){ve=false}}catch(e){pe.onBeforeLogin=$.noop;m(e,"onBeforeLogin")}}var Re;if(typeof e==="string"){Re=e}else if(e instanceof Array){for(var Ae=0,Fe=e.length;Ae<Fe;++Ae){if(typeof e[Ae]==="string"){Re=e[Ae];break}}}var je;if($.isFunction(pe.login)){je=pe.login}else if(Re&&(typeof pe.login==="string"||pe.login===true)){je=p(Re,pe.login)}terminals.append(W);function Le(){if(we){W.focus()}}function Oe(){we=de;W.disable().find(".cmd textarea").trigger("blur",[true])}function ze(e){e=e.originalEvent;function t(e,t){return e.type.indexOf(t)!==-1}if(e.clipboardData){if(W.enabled()){var n=e.clipboardData.items;if(n){for(var r=0;r<n.length;r++){if(t(n[r],"image")&&pe.pasteImage){var i=n[r].getAsFile();var o=window.URL||window.webkitURL;var a=o.createObjectURL(i);W.echo('<img src="'+a+'"/>',{raw:true})}else if(t(n[r],"text/plain")){n[r].getAsString(W.insert)}}}else if(e.clipboardData.getData){var s=e.clipboardData.getData("text/plain");W.insert(s)}return false}}}$(document).on("paste.terminal_"+W.id(),ze);var Ie=$.extend({},U,$.omap(pe.keymap||{},function(e,t){if(!U[e]){return t.bind(W)}return function(n,r){return t.call(W,n,function(){return U[e](n,r)})}}));u(e,pe.login,function(e){if(pe.completion&&typeof pe.completion!=="boolean"||!pe.completion){e.completion="settings"}_e=new Stack($.extend({},pe.extra,{name:pe.name,prompt:pe.prompt,keypress:pe.keypress,keydown:pe.keydown,resize:pe.onResize,greetings:pe.greetings,mousewheel:pe.mousewheel,keymap:Ie},e));ye=$("<div/>").appendTo(Se).cmd({prompt:pe.prompt,history:pe.memory?"memory":pe.history,historyFilter:pe.historyFilter,historySize:pe.historySize,caseSensitiveSearch:pe.caseSensitiveSearch,width:"100%",enabled:false,char_width:oe.width,keydown:q,keymap:Ie,clickTimeout:pe.clickTimeout,keypress:function(e){var t=_e.top();if(de&&(!ge||!pe.pauseEvents)){if($.isFunction(t.keypress)){return t.keypress.call(W,e,W)}else if($.isFunction(pe.keypress)){return pe.keypress.call(W,e,W)}}},onCommandChange:function(e){if($.isFunction(pe.onCommandChange)){try{pe.onCommandChange.call(W,e,W)}catch(e){pe.onCommandChange=$.noop;m(e,"onCommandChange")}}d()},commands:A});function t(e){e=e.originalEvent;if(e){var t=document.elementFromPoint(e.clientX,e.clientY);if(!$(t).closest(".terminal").length&&W.enabled()){W.disable()}}}W.oneTime(100,function(){$(document).bind("click.terminal_"+W.id(),t).bind("contextmenu.terminal_"+W.id(),t)});var n=$(window);document.addEventListener("resume",function(){W.disable()});if(is_mobile){W.click(function(){if(!he){if(!W.enabled()){W.focus();ye.enable()}else{W.disable()}}})}else{n.on("focus.terminal_"+W.id(),Le).on("blur.terminal_"+W.id(),Oe);(function(){var e=0;var t;var n="click_"+W.id();var r=W.find(".cmd textarea");function i(){if(t.is(".terminal")||t.is(".terminal-wrapper")){var e=W.get_command().length;W.set_position(e)}else if(t.closest(".prompt").length){W.set_position(0)}if(!r.is(":focus")){r.focus()}o()}function o(){e=0;t=null}W.mousedown(function(e){if(!scrollbar_event(e,Te)){t=$(e.target)}}).mouseup(function(){if(get_selected_text()===""&&t){if(++e===1){if(!he){if(!de){W.focus()}else{var r=pe.clickTimeout;W.oneTime(r,n,i);return}}}else{W.stopTime(n)}}o()}).dblclick(function(){o();W.stopTime(n)})})();(function(){var e=W.find(".cmd textarea");W.on("contextmenu.terminal",function(t){if(get_selected_text()===""){if(!$(t.target).is("img,value,audio,object,canvas,a")){if(!W.enabled()){W.enable()}var n=ye.offset();e.css({left:t.pageX-n.left-20,top:t.pageY-n.top-20,width:"5em",height:"4em"});if(!e.is(":focus")){e.focus()}W.stopTime("textarea");W.oneTime(100,"textarea",function(){e.css({left:"",top:"",width:"",height:""})});W.stopTime("selection");W.everyTime(20,"selection",function(){if(e[0].selection!==e[0].value){if(get_textarea_selection(e[0])){clear_textarea_selection(e[0]);select(W.find(".terminal-output")[0],W.find(".cmd div:last-of-type")[0]);W.stopTime("selection")}}})}}})})()}W.delegate("a","mouseup",function(e){var t=$(this);if(t.closest(".exception").length){var n=t.attr("href");if(n.match(/:[0-9]+$/)){e.preventDefault();o(n)}}W.find(".cmd textarea").focus()});function r(){var e=oe.width;oe=get_char_size(W);if(e!==oe.width){ye.option("char_width",oe.width).refresh()}}i();function i(){if(W.is(":visible")){var e=Te.width();var t=Te.height();if(ce!==t||fe!==e){W.resize()}ce=t;fe=e}}function a(){W.resizer("unbind").resizer(i);Ee.resizer("unbind").resizer(function(){r();W.resize()})}if(W.is(":visible")){a()}function s(){if(be){be.unobserve(W[0])}var e=W.enabled();var t=W.is(":visible");if(t){a()}be=new IntersectionObserver(function(){if(W.is(":visible")&&!t){t=true;a();r();i();if(e){W.enable()}}else if(t&&!W.is(":visible")){t=false;e=$.terminal.active()===W&&W.enabled();W.disable()}},{root:document.body});be.observe(W[0])}var l=!!W.closest("body").length;var f=window.MutationObserver||window.WebKitMutationObserver;if(f){$e=new f(function(){if(W.closest("body").length){if(!l){W.scroll_to_bottom();if(window.IntersectionObserver){s()}i()}l=true}else if(l){l=false}});$e.observe(document.body,{childList:true})}if(window.IntersectionObserver&&l){s()}ne.resolve();if(de&&W.is(":visible")&&!is_mobile){W.focus(undefined,true)}else{W.disable()}if($.isFunction(je)){W.login(je,true,I)}else{I()}function c(e){var t=terminals.get()[e[0]];if(t&&V===t.id()){if(e[2]){try{if(ge){var n=$.Deferred();R.push(function(){return t.exec(e[2]).done(function(){t.save_state(e[2],true,e[1]);n.resolve()})});return n.promise()}else{return t.exec(e[2]).done(function(){t.save_state(e[2],true,e[1])})}}catch(e){var r=t.settings();if($.isFunction(r.exceptionHandler)){r.exceptionHandler.call(W,e,"EXEC HASH")}else{var i=$.terminal.escape_brackets(ee);var o="Error while exec with command "+i;t.error(o).exception(e)}}}}}if(pe.execHash){if(location.hash){setTimeout(function(){try{var e=location.hash.replace(/^#/,"");hash_commands=JSON.parse(decodeURIComponent(e));var t=0;(function e(){var n=hash_commands[t++];if(n){c(n).done(e)}else{change_hash=true}})()}catch(e){}})}else{change_hash=true}}else{change_hash=true}var u=false;$(document).bind("keydown.terminal_"+W.id(),function(e){if(e.shiftKey){u=true}}).bind("keyup.terminal_"+W.id(),function(e){if(e.shiftKey||e.which===16){u=false}});function p(e,t){if(!u){var n=_e.top();var r;if($.isFunction(n.mousewheel)){r=n.mousewheel(e,t,W)}else if($.isFunction(pe.mousewheel)){r=pe.mousewheel(e,t,W)}if(C()||r===false){e.stopPropagation();e.preventDefault()}if(r===false){return}if(t>0){W.scroll(-40)}else{W.scroll(40)}}}if($.event.special.mousewheel){W.on("mousewheel",p)}else{var h;var g=document.createElement("div");if("onwheel"in g){h="wheel"}else if(document.onmousewheel!==undefined){h="mousewheel"}else{h="DOMMouseScroll"}g=null;W.on(h,function(e){var t;if(h==="mousewheel"){t=-1/40*e.originalEvent.wheelDelta}else{t=e.originalEvent.deltaY||e.originalEvent.detail}p(e,-t)})}});W.data("terminal",W);return W}});
\ No newline at end of file
diff --git a/js/jquery.terminal-1.14.0.js b/js/jquery.terminal-1.14.0.js
index d78752b5b..87ce3eec0 100644
--- a/js/jquery.terminal-1.14.0.js
+++ b/js/jquery.terminal-1.14.0.js
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  *
  * This file is part of jQuery Terminal. http://terminal.jcubic.pl
  *
@@ -32,7 +32,7 @@
  * Copyright (c) 2007-2013 Alexandru Marasteanu <hello at alexei dot ro>
  * licensed under 3 clause BSD license
  *
- * Date: Sat, 24 Mar 2018 16:04:12 +0000
+ * Date: Sat, 12 May 2018 08:39:19 +0000
  */
 
 /* TODO:
@@ -1223,20 +1223,8 @@
                 self.insert('\n');
                 return true;
             },
-            'BACKSPACE': function() {
-                if (reverse_search) {
-                    rev_search_str = rev_search_str.slice(0, -1);
-                    draw_reverse_prompt();
-                } else if (command !== '' && position > 0) {
-                    self['delete'](-1);
-                }
-                // for next input after naitve backspace
-                // we need timeout because we don't want it to trigger
-                // for current input but next one
-                self.oneTime(1, function() {
-                    no_keydown = true;
-                });
-            },
+            'BACKSPACE': backspace_key,
+            'SHIFT+BACKSPACE': backspace_key,
             'TAB': function() {
                 self.insert('\t');
             },
@@ -1399,6 +1387,20 @@
             self.set(history.end() ? last_command : history.next());
             return false;
         }
+        function backspace_key() {
+            if (reverse_search) {
+                rev_search_str = rev_search_str.slice(0, -1);
+                draw_reverse_prompt();
+            } else if (command !== '' && position > 0) {
+                self['delete'](-1);
+            }
+            // for next input after naitve backspace
+            // we need timeout because we don't want it to trigger
+            // for current input but next one
+            self.oneTime(1, function() {
+                no_keydown = true;
+            });
+        }
         function left() {
             if (position > 0) {
                 self.position(-1, true);
@@ -1633,7 +1635,9 @@
         // :: format end encode the string
         // ---------------------------------------------------------------------
         function format(string) {
-            return $.terminal.format($.terminal.encode(wrap(string)));
+            return $.terminal.format($.terminal.encode(wrap(string)), {
+                char_width: settings.char_width
+            });
         }
         // ---------------------------------------------------------------------
         // :: function create new string with all characters in it's own
@@ -1927,9 +1931,14 @@
                     $.terminal.encode(prompt),
                     num_chars
                 );
-                var last_line = $.terminal.format(lines[lines.length - 1]);
+                var options = {
+                    char_width: settings.char_width
+                };
+                var last_line = $.terminal.format(lines[lines.length - 1], options);
                 var formatted = lines.slice(0, -1).map(function(line) {
-                    return '<span class="line">' + $.terminal.format(line) + '</span>';
+                    return '<span class="line">' +
+                        $.terminal.format(line, options) +
+                        '</span>';
                 }).concat([last_line]).join('\n');
                 if (prompt_node.html() !== formatted) {
                     prompt_node.html(formatted);
@@ -1975,6 +1984,14 @@
         // :: Command Line Methods
         // ---------------------------------------------------------------------
         $.extend(self, {
+            option: function(name, value) {
+                if (typeof value === 'undefined') {
+                    return settings[name];
+                } else {
+                    settings[name] = value;
+                }
+                return self;
+            },
             name: function(string) {
                 if (string !== undefined) {
                     name = string;
@@ -2152,6 +2169,11 @@
                     return position;
                 }
             },
+            refresh: function() {
+                draw_prompt();
+                redraw();
+                return self;
+            },
             display_position: function(n, relative) {
                 if (n === undefined) {
                     return formatted_position;
@@ -2221,6 +2243,7 @@
                     }
                     animation(true);
                     draw_prompt();
+                    fix_textarea();
                 }
                 mobile_focus();
                 return self;
@@ -2435,17 +2458,18 @@
         function debug(str) {
             if (false) {
                 console.log(str);
-                //$.terminal.active().echo(str);
+                $.terminal.active().echo(str);
             }
         }
         function input_event() {
             debug('input ' + no_keydown + ' || ' + process + ' ((' + no_keypress +
                   ' || ' + dead_key + ') && !' + skip_insert + ' && (' + single_key +
                   ' || ' + no_key + ') && !' + backspace + ')');
+            // correct for fake space used for select all context menu hack
+            var val = clip.val().replace(/^ /, '');
             // Some Androids don't fire keypress - #39
             // if there is dead_key we also need to grab real character #158
             // Firefox/Android with google keyboard don't fire keydown and keyup #319
-            var val = clip.val();
             if ((no_keydown || process || ((no_keypress || dead_key) && !skip_insert &&
                                           (single_key || no_key) && !backspace)) &&
                 val !== command) {
@@ -2560,12 +2584,14 @@
     var url_nf_re = /\b(?![^\s[\]]*])(https?:\/\/(?:(?:(?!&[^;]+;)|(?=&amp;))[^\s"'<>\][)])+)/gi;
     var email_re = /((([^<>('")[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})))/g;
     var command_re = /((?:"[^"\\]*(?:\\[\S\s][^"\\]*)*"|'[^'\\]*(?:\\[\S\s][^'\\]*)*'|\/[^\/\\]*(?:\\[\S\s][^\/\\]*)*\/[gimy]*(?=\s|$)|(?:\\\s|\S))+)(?=\s|$)/gi;
+    var extended_command_re = /^\s*((terminal|cmd)::([a-z_]+)\(([\s\S]*)\))\s*$/;
     var format_begin_re = /(\[\[[!gbiuso]*;[^;]*;[^\]]*\])/i;
     var format_start_re = /^(\[\[[!gbiuso]*;[^;]*;[^\]]*\])/i;
     var format_end_re = /\[\[[!gbiuso]*;[^;]*;[^\]]*\]?$/i;
     var format_exec_re = /(\[\[(?:[^\]]|\\\])+\]\])/;
     var float_re = /^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?$/;
     var re_re = /^\/((?:\\\/|[^/]|\[[^\]]*\/[^\]]*\])+)\/([gimy]*)$/;
+    var string_re = /("(?:[^"\\]|\\(?:\\\\)*")*"|'(?:[^'\\]|\\(?:\\\\)*')*')/;
     var unclosed_strings_re = /^(?=((?:[^"']+|"[^"\\]*(?:\\[^][^"\\]*)*"|'[^'\\]*(?:\\[^][^'\\]*)*')*))\1./;
     /* eslint-enable */
     // -------------------------------------------------------------------------
@@ -2603,8 +2629,13 @@
         return div.style.width === '1ch';
     })();
     // -------------------------------------------------------------------------
+    var css_variables_supported = window.CSS && window.CSS.supports &&
+            window.CSS.supports('--fake-var', 0);
+    // -------------------------------------------------------------------------
     var is_android = navigator.userAgent.toLowerCase().indexOf('android') !== -1;
     // -------------------------------------------------------------------------
+    var is_safari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
+    // -------------------------------------------------------------------------
     var strlen = (function() {
         if (typeof wcwidth === 'undefined') {
             return function(string) {
@@ -2633,22 +2664,31 @@
         return string.replace(/>/g, '&gt;').replace(/</g, '&lt;');
     }
     // -------------------------------------------------------------------------
-    function extra_css(text) {
+    function char_width_prop(len, options) {
+        if (ch_unit_supported) {
+            return 'width: ' + len + 'ch';
+        } else if (!css_variables_supported) {
+            if (options.char_width) {
+                return 'width: ' + (options.char_width * len) + 'px';
+            }
+        } else {
+            return '--length: ' + len;
+        }
+        return '';
+    }
+    // -------------------------------------------------------------------------
+    function extra_css(text, options) {
         if (typeof wcwidth !== 'undefined') {
             var bare = bare_text(text);
             var len = strlen(bare);
             if (len !== bare.length) {
-                if (ch_unit_supported) {
-                    return 'width: ' + len + 'ch';
-                } else {
-                    return '--length: ' + len;
-                }
+                return char_width_prop(len, options);
             }
         }
         return '';
     }
     // -------------------------------------------------------------------------
-    function wide_characters(text) {
+    function wide_characters(text, options) {
         if (typeof wcwidth !== 'undefined') {
             var bare = bare_text(text);
             if (bare.length === 1) {
@@ -2684,13 +2724,12 @@
                 if (spec.len === 1) {
                     return spec.str;
                 }
-                var style = '';
-                if (ch_unit_supported) {
-                    style = 'width: ' + spec.sum + 'ch';
+                var style = char_width_prop(spec.sum, options);
+                if (style.length) {
+                    return '<span style="' + style + '">' + spec.str + '</span>';
                 } else {
-                    style = '--length: ' + spec.sum;
+                    return '<span>' + spec.str + '</span>';
                 }
-                return '<span style="' + style + '">' + spec.str + '</span>';
             }).join('');
         }
         return text;
@@ -2832,8 +2871,8 @@
         }
     }
     $.terminal = {
-        version: '1.14.0',
-        date: 'Sat, 24 Mar 2018 16:04:12 +0000',
+        version: 'DEV',
+        date: 'Sat, 12 May 2018 08:39:19 +0000',
         // colors from http://www.w3.org/wiki/CSS/Properties/color/keywords
         color_names: [
             'transparent', 'currentcolor', 'black', 'silver', 'gray', 'white',
@@ -3172,7 +3211,6 @@
                                 prev_format = last.match(format_begin_re)[1];
                             }
                         }
-                        output = output.replace(/^(\[\[[^\]]+\])?\]/, '');
                         result.push(output);
                         // modify loop by returing new data
                         return {index: new_index, length: 0, space: -1};
@@ -3355,9 +3393,9 @@
                                 data = data_text.replace(/&#93;/g, ']')
                                     .replace(/>/g, '&gt;').replace(/</g, '&lt;');
                             }
-                            var extra = extra_css(text);
+                            var extra = extra_css(text, options);
                             if (extra) {
-                                text = wide_characters(text);
+                                text = wide_characters(text, options);
                                 style_str += extra;
                             }
                             var result;
@@ -3395,9 +3433,9 @@
                         });
                     } else {
                         text = safe_text(text);
-                        var extra = extra_css(text);
+                        var extra = extra_css(text, options);
                         if (extra.length) {
-                            text = wide_characters(text);
+                            text = wide_characters(text, options);
                             return '<span style="' + extra + '">' + text + '</span>';
                         } else {
                             return '<span>' + text + '</span>';
@@ -3492,20 +3530,23 @@
         // ---------------------------------------------------------------------
         parse_argument: function parse_argument(arg, strict) {
             function parse_string(string) {
-                // remove quotes if before are even number of slashes
-                // we don't remove slases becuase they are handled by JSON.parse
-                //string = string.replace(/([^\\])['"]$/, '$1');
-                if (string.match(/^['"]/)) {
-                    // fixing regex to match empty string is not worth it
-                    if (string === '""' || string === "''") {
-                        return '';
+                // split string to string literals and non-strings
+                return string.split(string_re).map(function(string) {
+                    // remove quotes if before are even number of slashes
+                    // we don't remove slases becuase they are handled by JSON.parse
+                    if (string.match(/^['"]/)) {
+                        // fixing regex to match empty string is not worth it
+                        if (string === '""' || string === "''") {
+                            return '';
+                        }
+                        var quote = string[0];
+                        var re = new RegExp("(^|(?:\\\\(?:\\\\)*)?)" + quote, "g");
+                        string = string.replace(re, "$1");
                     }
-                    var quote = string[0];
-                    var re = new RegExp("((^|[^\\\\])(?:\\\\\\\\)*)" + quote, "g");
-                    string = string.replace(re, "$1");
-                }
-                // use build in function to parse rest of escaped characters
-                return JSON.parse('"' + string + '"');
+                    string = '"' + string + '"';
+                    // use build in function to parse rest of escaped characters
+                    return JSON.parse(string);
+                }).join('');
             }
             if (strict === false) {
                 if (arg[0] === "'" && arg[arg.length - 1] === "'") {
@@ -3570,9 +3611,27 @@
         extended_command: function extended_command(term, string) {
             try {
                 change_hash = false;
-                term.exec(string, true).done(function() {
-                    change_hash = true;
-                });
+                var m = string.match(extended_command_re);
+                if (m) {
+                    string = m[1];
+                    var obj = m[2] === 'terminal' ? term : term.cmd();
+                    var fn = m[3];
+                    try {
+                        var args = eval('[' + m[4] + ']');
+                        if (!obj[fn]) {
+                            term.error('Unknow function ' + fn);
+                        } else {
+                            obj[fn].apply(term, args);
+                        }
+                    } catch (e) {
+                        term.error('Invalid invocation in ' +
+                                   $.terminal.escape_brackets(string));
+                    }
+                } else {
+                    term.exec(string, true).done(function() {
+                        change_hash = true;
+                    });
+                }
             } catch (e) {
                 // error is process in exec
             }
@@ -4516,26 +4575,30 @@
                 // that returned empty string in this case whe need to add container
                 // because on update/resize it can return content
             } else if (!options.raw) {
-                if ((strlen(string) > num_chars ||
+                var format_options = {
+                    linksNoReferrer: settings.linksNoReferrer,
+                    char_width: char_size.width
+                };
+                var cols = self.cols();
+                if ((strlen(string) > cols ||
                      string.match(/\n/)) &&
                     ((settings.wrap === true && options.wrap === undefined) ||
                      settings.wrap === false && options.wrap === true)) {
                     var words = options.keepWords;
-                    var array = $.terminal.split_equal(string, num_chars, words);
+                    var array = $.terminal.split_equal(string, cols, words);
                     for (i = 0, len = array.length; i < len; ++i) {
                         if (array[i] === '' || array[i] === '\r') {
                             output_buffer.push('<span></span>');
                         } else {
-                            output_buffer.push($.terminal.format(array[i], {
-                                linksNoReferrer: settings.linksNoReferrer
-                            }));
+                            output_buffer.push($.terminal.format(
+                                array[i],
+                                format_options
+                            ));
                         }
                     }
                 } else {
                     string = $.terminal.normalize(string);
-                    string = $.terminal.format(string, {
-                        linksNoReferrer: settings.linksNoReferrer
-                    });
+                    string = $.terminal.format(string, format_options);
                     string.split(/\n/).forEach(function(string) {
                         output_buffer.push(string);
                     });
@@ -5902,7 +5965,7 @@
                 if (settings.numChars) {
                     return settings.numChars;
                 }
-                if (typeof num_chars === 'undefined') {
+                if (typeof num_chars === 'undefined' || num_chars === 1000) {
                     num_chars = get_num_chars(self, char_size);
                 }
                 return num_chars;
@@ -6199,7 +6262,7 @@
             get_prompt: function() {
                 return interpreters.top().prompt;
                 // command_line.prompt(); - can be a wrapper
-                // return command_line.prompt();
+                //return command_line.prompt();
             },
             // -------------------------------------------------------------
             // :: Enable or Disable mask depedning on the passed argument
@@ -6777,6 +6840,32 @@
                 return self;
             },
             // -------------------------------------------------------------
+            // :: invoke keydown shorcut
+            // -------------------------------------------------------------
+            invoke_key: function(shortcut) {
+                var keys = shortcut.toUpperCase().split('+');
+                var key = keys.pop();
+                var ctrl = keys.indexOf('CTRL') !== -1;
+                var shift = keys.indexOf('SHIFT') !== -1;
+                var alt = keys.indexOf('ALT') !== -1;
+                var meta = keys.indexOf('META') !== -1;
+                var e = $.Event("keydown", {
+                    ctrlKey: ctrl,
+                    shiftKey: shift,
+                    altKey: alt,
+                    metaKey: meta,
+                    which: reversed_keycodes[key],
+                    key: key
+                });
+                var doc = $(document.documentElement || window);
+                doc.trigger(e);
+                e = $.Event("keypress");
+                e.key = key;
+                e.which = e.keyCode = 0;
+                doc.trigger(e);
+                return self;
+            },
+            // -------------------------------------------------------------
             // :: change terminal keymap at runtime
             // -------------------------------------------------------------
             keymap: function(keymap, fn) {
@@ -6936,6 +7025,97 @@
                 }
             };
         }));
+        // for invoking shortcuts using terminal::keydown
+        // taken from https://github.com/cvan/keyboardevent-key-polyfill/
+        var keycodes = {
+            3: 'Cancel',
+            6: 'Help',
+            8: 'Backspace',
+            9: 'Tab',
+            12: 'Clear',
+            13: 'Enter',
+            16: 'Shift',
+            17: 'Control',
+            18: 'Alt',
+            19: 'Pause',
+            20: 'CapsLock',
+            27: 'Escape',
+            28: 'Convert',
+            29: 'NonConvert',
+            30: 'Accept',
+            31: 'ModeChange',
+            32: ' ',
+            33: 'PageUp',
+            34: 'PageDown',
+            35: 'End',
+            36: 'Home',
+            37: 'ArrowLeft',
+            38: 'ArrowUp',
+            39: 'ArrowRight',
+            40: 'ArrowDown',
+            41: 'Select',
+            42: 'Print',
+            43: 'Execute',
+            44: 'PrintScreen',
+            45: 'Insert',
+            46: 'Delete',
+            48: ['0', ')'],
+            49: ['1', '!'],
+            50: ['2', '@'],
+            51: ['3', '#'],
+            52: ['4', '$'],
+            53: ['5', '%'],
+            54: ['6', '^'],
+            55: ['7', '&'],
+            56: ['8', '*'],
+            57: ['9', '('],
+            91: 'OS',
+            93: 'ContextMenu',
+            144: 'NumLock',
+            145: 'ScrollLock',
+            181: 'VolumeMute',
+            182: 'VolumeDown',
+            183: 'VolumeUp',
+            186: [';', ':'],
+            187: ['=', '+'],
+            188: [',', '<'],
+            189: ['-', '_'],
+            190: ['.', '>'],
+            191: ['/', '?'],
+            192: ['`', '~'],
+            219: ['[', '{'],
+            220: ['\\', '|'],
+            221: [']', '}'],
+            222: ["'", '"'],
+            224: 'Meta',
+            225: 'AltGraph',
+            246: 'Attn',
+            247: 'CrSel',
+            248: 'ExSel',
+            249: 'EraseEof',
+            250: 'Play',
+            251: 'ZoomOut'
+        };
+        // Function keys (F1-24).
+        for (i = 1; i < 25; i++) {
+            keycodes[111 + i] = 'F' + i;
+        }
+        // Printable ASCII characters.
+        var letter = '';
+        for (i = 65; i < 91; i++) {
+            letter = String.fromCharCode(i);
+            keycodes[i] = [letter.toLowerCase(), letter.toUpperCase()];
+        }
+        var reversed_keycodes = {};
+        Object.keys(keycodes).forEach(function(which) {
+            if (keycodes[which] instanceof Array) {
+                keycodes[which].forEach(function(key) {
+                    reversed_keycodes[key.toUpperCase()] = which;
+                });
+            } else {
+                reversed_keycodes[keycodes[which].toUpperCase()] = which;
+            }
+        });
 
         // -----------------------------------------------------------------
         // INIT CODE
@@ -6950,9 +7130,10 @@
         if (settings.height) {
             self.height(settings.height);
         }
-        // Some browser use html for scrolling
-        if (self.is('body,html')) {
-            scroll_object = $('body,html');
+        // scrollTop need be on html but scrollHeight taken from body
+        // on Safari both on body it's easier to just put both in selector and it works
+        if (self.is('body') && !is_safari) {
+            scroll_object = $('html,body');
         } else {
             scroll_object = self;
         }
@@ -7005,7 +7186,7 @@
         }
         function blur_terminal() {
             old_enabled = enabled;
-            self.disable().find('textarea').trigger('blur', [true]);
+            self.disable().find('.cmd textarea').trigger('blur', [true]);
         }
         function paste_event(e) {
             e = e.originalEvent;
@@ -7080,7 +7261,7 @@
                 caseSensitiveSearch: settings.caseSensitiveSearch,
                 width: '100%',
                 enabled: false,
-
+                char_width: char_size.width,
                 keydown: key_down,
                 keymap: new_keymap,
                 clickTimeout: settings.clickTimeout,
@@ -7150,7 +7331,7 @@
                     var count = 0;
                     var $target;
                     var name = 'click_' + self.id();
-                    var textarea = self.find('textarea');
+                    var textarea = self.find('.cmd textarea');
                     function click() {
                         if ($target.is('.terminal') ||
                             $target.is('.terminal-wrapper')) {
@@ -7195,7 +7376,7 @@
                     });
                 })();
                 (function() {
-                    var clip = self.find('textarea');
+                    var clip = self.find('.cmd textarea');
                     self.on('contextmenu.terminal', function(e) {
                         if (get_selected_text() === '') {
                             if (!$(e.target).is('img,value,audio,object,canvas,a')) {
@@ -7239,9 +7420,7 @@
                     });
                 })();
             }
-            // .on('mouseup', 'a', function(e) {
-            // in new jquery .delegate just call .on
-            self.delegate('a', 'mouseup', function(e) {
+            self.on('click', 'a', function(e) {
                 var $this = $(this);
                 if ($this.closest('.exception').length) {
                     var href = $this.attr('href');
@@ -7252,16 +7431,18 @@
                 }
                 // refocus because links have tabindex in case where user want
                 // tab change urls, we can ignore this function on click
-                self.find('textarea').focus();
+                if (enabled) {
+                    self.find('.cmd textarea').focus();
+                }
             });
-            if (self.is(':visible')) {
-                num_chars = self.cols();
-                command_line.resize(num_chars);
-                if (!char_size) {
-                    char_size = get_char_size(self);
+            function calculate_char_size() {
+                var width = char_size.width;
+                char_size = get_char_size(self);
+                if (width !== char_size.width) {
+                    command_line.option('char_width', char_size.width).refresh();
                 }
-                num_rows = get_num_rows(self, char_size);
             }
+            resize();
             function resize() {
                 if (self.is(':visible')) {
                     var width = fill.width();
@@ -7277,7 +7458,7 @@
             function create_resizers() {
                 self.resizer('unbind').resizer(resize);
                 font_resizer.resizer('unbind').resizer(function() {
-                    char_size = get_char_size(self);
+                    calculate_char_size();
                     self.resize();
                 });
             }
@@ -7297,7 +7478,7 @@
                     if (self.is(':visible') && !visible) {
                         visible = true;
                         create_resizers();
-                        char_size = get_char_size(self);
+                        calculate_char_size();
                         resize();
                         if (was_enabled) {
                             self.enable();
@@ -7314,26 +7495,27 @@
             }
             var in_dom = !!self.closest('body').length;
             var MutationObsrv = window.MutationObserver || window.WebKitMutationObserver;
-            if (window.IntersectionObserver) {
-                if (MutationObsrv) {
-                    mutation_observer = new MutationObsrv(function() {
-                        if (self.closest('body').length) {
-                            if (!in_dom) {
-                                self.scroll_to_bottom();
+            if (MutationObsrv) {
+                mutation_observer = new MutationObsrv(function() {
+                    if (self.closest('body').length) {
+                        if (!in_dom) {
+                            self.scroll_to_bottom();
+                            if (window.IntersectionObserver) {
                                 observe_visibility();
                             }
-                            in_dom = true;
-                        } else if (in_dom) {
-                            in_dom = false;
+                            resize();
                         }
-                    });
-                    mutation_observer.observe(document.body, {childList: true});
-                }
+                        in_dom = true;
+                    } else if (in_dom) {
+                        in_dom = false;
+                    }
+                });
+                mutation_observer.observe(document.body, {childList: true});
+            }
+            if (window.IntersectionObserver && in_dom) {
                 // check if element is in the DOM if not running IntersectionObserver
                 // don't make sense
-                if (in_dom) {
-                    observe_visibility();
-                }
+                observe_visibility();
             }
             command_queue.resolve();
             // touch devices need touch event to get virtual keyboard
diff --git a/js/jquery.terminal-1.14.0.min.js b/js/jquery.terminal-1.14.0.min.js
index 3dde721dd..e8906f82e 100644
--- a/js/jquery.terminal-1.14.0.min.js
+++ b/js/jquery.terminal-1.14.0.min.js
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  *
  * This file is part of jQuery Terminal. http://terminal.jcubic.pl
  *
@@ -32,6 +32,6 @@
  * Copyright (c) 2007-2013 Alexandru Marasteanu <hello at alexei dot ro>
  * licensed under 3 clause BSD license
  *
- * Date: Sat, 24 Mar 2018 16:04:12 +0000
+ * Date: Sat, 12 May 2018 08:39:19 +0000
  */
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\ No newline at end of file
diff --git a/js/jquery.terminal-src.js b/js/jquery.terminal-src.js
index 2e6a6a715..a47069dd1 100644
--- a/js/jquery.terminal-src.js
+++ b/js/jquery.terminal-src.js
@@ -1223,20 +1223,8 @@
                 self.insert('\n');
                 return true;
             },
-            'BACKSPACE': function() {
-                if (reverse_search) {
-                    rev_search_str = rev_search_str.slice(0, -1);
-                    draw_reverse_prompt();
-                } else if (command !== '' && position > 0) {
-                    self['delete'](-1);
-                }
-                // for next input after naitve backspace
-                // we need timeout because we don't want it to trigger
-                // for current input but next one
-                self.oneTime(1, function() {
-                    no_keydown = true;
-                });
-            },
+            'BACKSPACE': backspace_key,
+            'SHIFT+BACKSPACE': backspace_key,
             'TAB': function() {
                 self.insert('\t');
             },
@@ -1399,6 +1387,20 @@
             self.set(history.end() ? last_command : history.next());
             return false;
         }
+        function backspace_key() {
+            if (reverse_search) {
+                rev_search_str = rev_search_str.slice(0, -1);
+                draw_reverse_prompt();
+            } else if (command !== '' && position > 0) {
+                self['delete'](-1);
+            }
+            // for next input after naitve backspace
+            // we need timeout because we don't want it to trigger
+            // for current input but next one
+            self.oneTime(1, function() {
+                no_keydown = true;
+            });
+        }
         function left() {
             if (position > 0) {
                 self.position(-1, true);
@@ -1633,7 +1635,9 @@
         // :: format end encode the string
         // ---------------------------------------------------------------------
         function format(string) {
-            return $.terminal.format($.terminal.encode(wrap(string)));
+            return $.terminal.format($.terminal.encode(wrap(string)), {
+                char_width: settings.char_width
+            });
         }
         // ---------------------------------------------------------------------
         // :: function create new string with all characters in it's own
@@ -1927,9 +1931,14 @@
                     $.terminal.encode(prompt),
                     num_chars
                 );
-                var last_line = $.terminal.format(lines[lines.length - 1]);
+                var options = {
+                    char_width: settings.char_width
+                };
+                var last_line = $.terminal.format(lines[lines.length - 1], options);
                 var formatted = lines.slice(0, -1).map(function(line) {
-                    return '<span class="line">' + $.terminal.format(line) + '</span>';
+                    return '<span class="line">' +
+                        $.terminal.format(line, options) +
+                        '</span>';
                 }).concat([last_line]).join('\n');
                 if (prompt_node.html() !== formatted) {
                     prompt_node.html(formatted);
@@ -1975,6 +1984,14 @@
         // :: Command Line Methods
         // ---------------------------------------------------------------------
         $.extend(self, {
+            option: function(name, value) {
+                if (typeof value === 'undefined') {
+                    return settings[name];
+                } else {
+                    settings[name] = value;
+                }
+                return self;
+            },
             name: function(string) {
                 if (string !== undefined) {
                     name = string;
@@ -2152,6 +2169,11 @@
                     return position;
                 }
             },
+            refresh: function() {
+                draw_prompt();
+                redraw();
+                return self;
+            },
             display_position: function(n, relative) {
                 if (n === undefined) {
                     return formatted_position;
@@ -2221,6 +2243,7 @@
                     }
                     animation(true);
                     draw_prompt();
+                    fix_textarea();
                 }
                 mobile_focus();
                 return self;
@@ -2435,17 +2458,18 @@
         function debug(str) {
             if (false) {
                 console.log(str);
-                //$.terminal.active().echo(str);
+                $.terminal.active().echo(str);
             }
         }
         function input_event() {
             debug('input ' + no_keydown + ' || ' + process + ' ((' + no_keypress +
                   ' || ' + dead_key + ') && !' + skip_insert + ' && (' + single_key +
                   ' || ' + no_key + ') && !' + backspace + ')');
+            // correct for fake space used for select all context menu hack
+            var val = clip.val().replace(/^ /, '');
             // Some Androids don't fire keypress - #39
             // if there is dead_key we also need to grab real character #158
             // Firefox/Android with google keyboard don't fire keydown and keyup #319
-            var val = clip.val();
             if ((no_keydown || process || ((no_keypress || dead_key) && !skip_insert &&
                                           (single_key || no_key) && !backspace)) &&
                 val !== command) {
@@ -2560,12 +2584,14 @@
     var url_nf_re = /\b(?![^\s[\]]*])(https?:\/\/(?:(?:(?!&[^;]+;)|(?=&amp;))[^\s"'<>\][)])+)/gi;
     var email_re = /((([^<>('")[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})))/g;
     var command_re = /((?:"[^"\\]*(?:\\[\S\s][^"\\]*)*"|'[^'\\]*(?:\\[\S\s][^'\\]*)*'|\/[^\/\\]*(?:\\[\S\s][^\/\\]*)*\/[gimy]*(?=\s|$)|(?:\\\s|\S))+)(?=\s|$)/gi;
+    var extended_command_re = /^\s*((terminal|cmd)::([a-z_]+)\(([\s\S]*)\))\s*$/;
     var format_begin_re = /(\[\[[!gbiuso]*;[^;]*;[^\]]*\])/i;
     var format_start_re = /^(\[\[[!gbiuso]*;[^;]*;[^\]]*\])/i;
     var format_end_re = /\[\[[!gbiuso]*;[^;]*;[^\]]*\]?$/i;
     var format_exec_re = /(\[\[(?:[^\]]|\\\])+\]\])/;
     var float_re = /^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?$/;
     var re_re = /^\/((?:\\\/|[^/]|\[[^\]]*\/[^\]]*\])+)\/([gimy]*)$/;
+    var string_re = /("(?:[^"\\]|\\(?:\\\\)*")*"|'(?:[^'\\]|\\(?:\\\\)*')*')/;
     var unclosed_strings_re = /^(?=((?:[^"']+|"[^"\\]*(?:\\[^][^"\\]*)*"|'[^'\\]*(?:\\[^][^'\\]*)*')*))\1./;
     /* eslint-enable */
     // -------------------------------------------------------------------------
@@ -2603,8 +2629,13 @@
         return div.style.width === '1ch';
     })();
     // -------------------------------------------------------------------------
+    var css_variables_supported = window.CSS && window.CSS.supports &&
+            window.CSS.supports('--fake-var', 0);
+    // -------------------------------------------------------------------------
     var is_android = navigator.userAgent.toLowerCase().indexOf('android') !== -1;
     // -------------------------------------------------------------------------
+    var is_safari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
+    // -------------------------------------------------------------------------
     var strlen = (function() {
         if (typeof wcwidth === 'undefined') {
             return function(string) {
@@ -2633,22 +2664,31 @@
         return string.replace(/>/g, '&gt;').replace(/</g, '&lt;');
     }
     // -------------------------------------------------------------------------
-    function extra_css(text) {
+    function char_width_prop(len, options) {
+        if (ch_unit_supported) {
+            return 'width: ' + len + 'ch';
+        } else if (!css_variables_supported) {
+            if (options.char_width) {
+                return 'width: ' + (options.char_width * len) + 'px';
+            }
+        } else {
+            return '--length: ' + len;
+        }
+        return '';
+    }
+    // -------------------------------------------------------------------------
+    function extra_css(text, options) {
         if (typeof wcwidth !== 'undefined') {
             var bare = bare_text(text);
             var len = strlen(bare);
             if (len !== bare.length) {
-                if (ch_unit_supported) {
-                    return 'width: ' + len + 'ch';
-                } else {
-                    return '--length: ' + len;
-                }
+                return char_width_prop(len, options);
             }
         }
         return '';
     }
     // -------------------------------------------------------------------------
-    function wide_characters(text) {
+    function wide_characters(text, options) {
         if (typeof wcwidth !== 'undefined') {
             var bare = bare_text(text);
             if (bare.length === 1) {
@@ -2684,13 +2724,12 @@
                 if (spec.len === 1) {
                     return spec.str;
                 }
-                var style = '';
-                if (ch_unit_supported) {
-                    style = 'width: ' + spec.sum + 'ch';
+                var style = char_width_prop(spec.sum, options);
+                if (style.length) {
+                    return '<span style="' + style + '">' + spec.str + '</span>';
                 } else {
-                    style = '--length: ' + spec.sum;
+                    return '<span>' + spec.str + '</span>';
                 }
-                return '<span style="' + style + '">' + spec.str + '</span>';
             }).join('');
         }
         return text;
@@ -3172,7 +3211,6 @@
                                 prev_format = last.match(format_begin_re)[1];
                             }
                         }
-                        output = output.replace(/^(\[\[[^\]]+\])?\]/, '');
                         result.push(output);
                         // modify loop by returing new data
                         return {index: new_index, length: 0, space: -1};
@@ -3355,9 +3393,9 @@
                                 data = data_text.replace(/&#93;/g, ']')
                                     .replace(/>/g, '&gt;').replace(/</g, '&lt;');
                             }
-                            var extra = extra_css(text);
+                            var extra = extra_css(text, options);
                             if (extra) {
-                                text = wide_characters(text);
+                                text = wide_characters(text, options);
                                 style_str += extra;
                             }
                             var result;
@@ -3395,9 +3433,9 @@
                         });
                     } else {
                         text = safe_text(text);
-                        var extra = extra_css(text);
+                        var extra = extra_css(text, options);
                         if (extra.length) {
-                            text = wide_characters(text);
+                            text = wide_characters(text, options);
                             return '<span style="' + extra + '">' + text + '</span>';
                         } else {
                             return '<span>' + text + '</span>';
@@ -3492,20 +3530,23 @@
         // ---------------------------------------------------------------------
         parse_argument: function parse_argument(arg, strict) {
             function parse_string(string) {
-                // remove quotes if before are even number of slashes
-                // we don't remove slases becuase they are handled by JSON.parse
-                //string = string.replace(/([^\\])['"]$/, '$1');
-                if (string.match(/^['"]/)) {
-                    // fixing regex to match empty string is not worth it
-                    if (string === '""' || string === "''") {
-                        return '';
+                // split string to string literals and non-strings
+                return string.split(string_re).map(function(string) {
+                    // remove quotes if before are even number of slashes
+                    // we don't remove slases becuase they are handled by JSON.parse
+                    if (string.match(/^['"]/)) {
+                        // fixing regex to match empty string is not worth it
+                        if (string === '""' || string === "''") {
+                            return '';
+                        }
+                        var quote = string[0];
+                        var re = new RegExp("(^|(?:\\\\(?:\\\\)*)?)" + quote, "g");
+                        string = string.replace(re, "$1");
                     }
-                    var quote = string[0];
-                    var re = new RegExp("((^|[^\\\\])(?:\\\\\\\\)*)" + quote, "g");
-                    string = string.replace(re, "$1");
-                }
-                // use build in function to parse rest of escaped characters
-                return JSON.parse('"' + string + '"');
+                    string = '"' + string + '"';
+                    // use build in function to parse rest of escaped characters
+                    return JSON.parse(string);
+                }).join('');
             }
             if (strict === false) {
                 if (arg[0] === "'" && arg[arg.length - 1] === "'") {
@@ -3570,9 +3611,27 @@
         extended_command: function extended_command(term, string) {
             try {
                 change_hash = false;
-                term.exec(string, true).done(function() {
-                    change_hash = true;
-                });
+                var m = string.match(extended_command_re);
+                if (m) {
+                    string = m[1];
+                    var obj = m[2] === 'terminal' ? term : term.cmd();
+                    var fn = m[3];
+                    try {
+                        var args = eval('[' + m[4] + ']');
+                        if (!obj[fn]) {
+                            term.error('Unknow function ' + fn);
+                        } else {
+                            obj[fn].apply(term, args);
+                        }
+                    } catch (e) {
+                        term.error('Invalid invocation in ' +
+                                   $.terminal.escape_brackets(string));
+                    }
+                } else {
+                    term.exec(string, true).done(function() {
+                        change_hash = true;
+                    });
+                }
             } catch (e) {
                 // error is process in exec
             }
@@ -4516,26 +4575,30 @@
                 // that returned empty string in this case whe need to add container
                 // because on update/resize it can return content
             } else if (!options.raw) {
-                if ((strlen(string) > num_chars ||
+                var format_options = {
+                    linksNoReferrer: settings.linksNoReferrer,
+                    char_width: char_size.width
+                };
+                var cols = self.cols();
+                if ((strlen(string) > cols ||
                      string.match(/\n/)) &&
                     ((settings.wrap === true && options.wrap === undefined) ||
                      settings.wrap === false && options.wrap === true)) {
                     var words = options.keepWords;
-                    var array = $.terminal.split_equal(string, num_chars, words);
+                    var array = $.terminal.split_equal(string, cols, words);
                     for (i = 0, len = array.length; i < len; ++i) {
                         if (array[i] === '' || array[i] === '\r') {
                             output_buffer.push('<span></span>');
                         } else {
-                            output_buffer.push($.terminal.format(array[i], {
-                                linksNoReferrer: settings.linksNoReferrer
-                            }));
+                            output_buffer.push($.terminal.format(
+                                array[i],
+                                format_options
+                            ));
                         }
                     }
                 } else {
                     string = $.terminal.normalize(string);
-                    string = $.terminal.format(string, {
-                        linksNoReferrer: settings.linksNoReferrer
-                    });
+                    string = $.terminal.format(string, format_options);
                     string.split(/\n/).forEach(function(string) {
                         output_buffer.push(string);
                     });
@@ -5902,7 +5965,7 @@
                 if (settings.numChars) {
                     return settings.numChars;
                 }
-                if (typeof num_chars === 'undefined') {
+                if (typeof num_chars === 'undefined' || num_chars === 1000) {
                     num_chars = get_num_chars(self, char_size);
                 }
                 return num_chars;
@@ -6199,7 +6262,7 @@
             get_prompt: function() {
                 return interpreters.top().prompt;
                 // command_line.prompt(); - can be a wrapper
-                // return command_line.prompt();
+                //return command_line.prompt();
             },
             // -------------------------------------------------------------
             // :: Enable or Disable mask depedning on the passed argument
@@ -6777,6 +6840,32 @@
                 return self;
             },
             // -------------------------------------------------------------
+            // :: invoke keydown shorcut
+            // -------------------------------------------------------------
+            invoke_key: function(shortcut) {
+                var keys = shortcut.toUpperCase().split('+');
+                var key = keys.pop();
+                var ctrl = keys.indexOf('CTRL') !== -1;
+                var shift = keys.indexOf('SHIFT') !== -1;
+                var alt = keys.indexOf('ALT') !== -1;
+                var meta = keys.indexOf('META') !== -1;
+                var e = $.Event("keydown", {
+                    ctrlKey: ctrl,
+                    shiftKey: shift,
+                    altKey: alt,
+                    metaKey: meta,
+                    which: reversed_keycodes[key],
+                    key: key
+                });
+                var doc = $(document.documentElement || window);
+                doc.trigger(e);
+                e = $.Event("keypress");
+                e.key = key;
+                e.which = e.keyCode = 0;
+                doc.trigger(e);
+                return self;
+            },
+            // -------------------------------------------------------------
             // :: change terminal keymap at runtime
             // -------------------------------------------------------------
             keymap: function(keymap, fn) {
@@ -6936,6 +7025,97 @@
                 }
             };
         }));
+        // for invoking shortcuts using terminal::keydown
+        // taken from https://github.com/cvan/keyboardevent-key-polyfill/
+        var keycodes = {
+            3: 'Cancel',
+            6: 'Help',
+            8: 'Backspace',
+            9: 'Tab',
+            12: 'Clear',
+            13: 'Enter',
+            16: 'Shift',
+            17: 'Control',
+            18: 'Alt',
+            19: 'Pause',
+            20: 'CapsLock',
+            27: 'Escape',
+            28: 'Convert',
+            29: 'NonConvert',
+            30: 'Accept',
+            31: 'ModeChange',
+            32: ' ',
+            33: 'PageUp',
+            34: 'PageDown',
+            35: 'End',
+            36: 'Home',
+            37: 'ArrowLeft',
+            38: 'ArrowUp',
+            39: 'ArrowRight',
+            40: 'ArrowDown',
+            41: 'Select',
+            42: 'Print',
+            43: 'Execute',
+            44: 'PrintScreen',
+            45: 'Insert',
+            46: 'Delete',
+            48: ['0', ')'],
+            49: ['1', '!'],
+            50: ['2', '@'],
+            51: ['3', '#'],
+            52: ['4', '$'],
+            53: ['5', '%'],
+            54: ['6', '^'],
+            55: ['7', '&'],
+            56: ['8', '*'],
+            57: ['9', '('],
+            91: 'OS',
+            93: 'ContextMenu',
+            144: 'NumLock',
+            145: 'ScrollLock',
+            181: 'VolumeMute',
+            182: 'VolumeDown',
+            183: 'VolumeUp',
+            186: [';', ':'],
+            187: ['=', '+'],
+            188: [',', '<'],
+            189: ['-', '_'],
+            190: ['.', '>'],
+            191: ['/', '?'],
+            192: ['`', '~'],
+            219: ['[', '{'],
+            220: ['\\', '|'],
+            221: [']', '}'],
+            222: ["'", '"'],
+            224: 'Meta',
+            225: 'AltGraph',
+            246: 'Attn',
+            247: 'CrSel',
+            248: 'ExSel',
+            249: 'EraseEof',
+            250: 'Play',
+            251: 'ZoomOut'
+        };
+        // Function keys (F1-24).
+        for (i = 1; i < 25; i++) {
+            keycodes[111 + i] = 'F' + i;
+        }
+        // Printable ASCII characters.
+        var letter = '';
+        for (i = 65; i < 91; i++) {
+            letter = String.fromCharCode(i);
+            keycodes[i] = [letter.toLowerCase(), letter.toUpperCase()];
+        }
+        var reversed_keycodes = {};
+        Object.keys(keycodes).forEach(function(which) {
+            if (keycodes[which] instanceof Array) {
+                keycodes[which].forEach(function(key) {
+                    reversed_keycodes[key.toUpperCase()] = which;
+                });
+            } else {
+                reversed_keycodes[keycodes[which].toUpperCase()] = which;
+            }
+        });
 
         // -----------------------------------------------------------------
         // INIT CODE
@@ -6950,9 +7130,10 @@
         if (settings.height) {
             self.height(settings.height);
         }
-        // Some browser use html for scrolling
-        if (self.is('body,html')) {
-            scroll_object = $('body,html');
+        // scrollTop need be on html but scrollHeight taken from body
+        // on Safari both on body it's easier to just put both in selector and it works
+        if (self.is('body') && !is_safari) {
+            scroll_object = $('html,body');
         } else {
             scroll_object = self;
         }
@@ -7005,7 +7186,7 @@
         }
         function blur_terminal() {
             old_enabled = enabled;
-            self.disable().find('textarea').trigger('blur', [true]);
+            self.disable().find('.cmd textarea').trigger('blur', [true]);
         }
         function paste_event(e) {
             e = e.originalEvent;
@@ -7080,7 +7261,7 @@
                 caseSensitiveSearch: settings.caseSensitiveSearch,
                 width: '100%',
                 enabled: false,
-
+                char_width: char_size.width,
                 keydown: key_down,
                 keymap: new_keymap,
                 clickTimeout: settings.clickTimeout,
@@ -7150,7 +7331,7 @@
                     var count = 0;
                     var $target;
                     var name = 'click_' + self.id();
-                    var textarea = self.find('textarea');
+                    var textarea = self.find('.cmd textarea');
                     function click() {
                         if ($target.is('.terminal') ||
                             $target.is('.terminal-wrapper')) {
@@ -7195,7 +7376,7 @@
                     });
                 })();
                 (function() {
-                    var clip = self.find('textarea');
+                    var clip = self.find('.cmd textarea');
                     self.on('contextmenu.terminal', function(e) {
                         if (get_selected_text() === '') {
                             if (!$(e.target).is('img,value,audio,object,canvas,a')) {
@@ -7239,9 +7420,7 @@
                     });
                 })();
             }
-            // .on('mouseup', 'a', function(e) {
-            // in new jquery .delegate just call .on
-            self.delegate('a', 'mouseup', function(e) {
+            self.on('click', 'a', function(e) {
                 var $this = $(this);
                 if ($this.closest('.exception').length) {
                     var href = $this.attr('href');
@@ -7252,16 +7431,18 @@
                 }
                 // refocus because links have tabindex in case where user want
                 // tab change urls, we can ignore this function on click
-                self.find('textarea').focus();
+                if (enabled) {
+                    self.find('.cmd textarea').focus();
+                }
             });
-            if (self.is(':visible')) {
-                num_chars = self.cols();
-                command_line.resize(num_chars);
-                if (!char_size) {
-                    char_size = get_char_size(self);
+            function calculate_char_size() {
+                var width = char_size.width;
+                char_size = get_char_size(self);
+                if (width !== char_size.width) {
+                    command_line.option('char_width', char_size.width).refresh();
                 }
-                num_rows = get_num_rows(self, char_size);
             }
+            resize();
             function resize() {
                 if (self.is(':visible')) {
                     var width = fill.width();
@@ -7277,7 +7458,7 @@
             function create_resizers() {
                 self.resizer('unbind').resizer(resize);
                 font_resizer.resizer('unbind').resizer(function() {
-                    char_size = get_char_size(self);
+                    calculate_char_size();
                     self.resize();
                 });
             }
@@ -7297,7 +7478,7 @@
                     if (self.is(':visible') && !visible) {
                         visible = true;
                         create_resizers();
-                        char_size = get_char_size(self);
+                        calculate_char_size();
                         resize();
                         if (was_enabled) {
                             self.enable();
@@ -7314,26 +7495,27 @@
             }
             var in_dom = !!self.closest('body').length;
             var MutationObsrv = window.MutationObserver || window.WebKitMutationObserver;
-            if (window.IntersectionObserver) {
-                if (MutationObsrv) {
-                    mutation_observer = new MutationObsrv(function() {
-                        if (self.closest('body').length) {
-                            if (!in_dom) {
-                                self.scroll_to_bottom();
+            if (MutationObsrv) {
+                mutation_observer = new MutationObsrv(function() {
+                    if (self.closest('body').length) {
+                        if (!in_dom) {
+                            self.scroll_to_bottom();
+                            if (window.IntersectionObserver) {
                                 observe_visibility();
                             }
-                            in_dom = true;
-                        } else if (in_dom) {
-                            in_dom = false;
+                            resize();
                         }
-                    });
-                    mutation_observer.observe(document.body, {childList: true});
-                }
+                        in_dom = true;
+                    } else if (in_dom) {
+                        in_dom = false;
+                    }
+                });
+                mutation_observer.observe(document.body, {childList: true});
+            }
+            if (window.IntersectionObserver && in_dom) {
                 // check if element is in the DOM if not running IntersectionObserver
                 // don't make sense
-                if (in_dom) {
-                    observe_visibility();
-                }
+                observe_visibility();
             }
             command_queue.resolve();
             // touch devices need touch event to get virtual keyboard
diff --git a/js/jquery.terminal.js b/js/jquery.terminal.js
index d78752b5b..87ce3eec0 100644
--- a/js/jquery.terminal.js
+++ b/js/jquery.terminal.js
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  *
  * This file is part of jQuery Terminal. http://terminal.jcubic.pl
  *
@@ -32,7 +32,7 @@
  * Copyright (c) 2007-2013 Alexandru Marasteanu <hello at alexei dot ro>
  * licensed under 3 clause BSD license
  *
- * Date: Sat, 24 Mar 2018 16:04:12 +0000
+ * Date: Sat, 12 May 2018 08:39:19 +0000
  */
 
 /* TODO:
@@ -1223,20 +1223,8 @@
                 self.insert('\n');
                 return true;
             },
-            'BACKSPACE': function() {
-                if (reverse_search) {
-                    rev_search_str = rev_search_str.slice(0, -1);
-                    draw_reverse_prompt();
-                } else if (command !== '' && position > 0) {
-                    self['delete'](-1);
-                }
-                // for next input after naitve backspace
-                // we need timeout because we don't want it to trigger
-                // for current input but next one
-                self.oneTime(1, function() {
-                    no_keydown = true;
-                });
-            },
+            'BACKSPACE': backspace_key,
+            'SHIFT+BACKSPACE': backspace_key,
             'TAB': function() {
                 self.insert('\t');
             },
@@ -1399,6 +1387,20 @@
             self.set(history.end() ? last_command : history.next());
             return false;
         }
+        function backspace_key() {
+            if (reverse_search) {
+                rev_search_str = rev_search_str.slice(0, -1);
+                draw_reverse_prompt();
+            } else if (command !== '' && position > 0) {
+                self['delete'](-1);
+            }
+            // for next input after naitve backspace
+            // we need timeout because we don't want it to trigger
+            // for current input but next one
+            self.oneTime(1, function() {
+                no_keydown = true;
+            });
+        }
         function left() {
             if (position > 0) {
                 self.position(-1, true);
@@ -1633,7 +1635,9 @@
         // :: format end encode the string
         // ---------------------------------------------------------------------
         function format(string) {
-            return $.terminal.format($.terminal.encode(wrap(string)));
+            return $.terminal.format($.terminal.encode(wrap(string)), {
+                char_width: settings.char_width
+            });
         }
         // ---------------------------------------------------------------------
         // :: function create new string with all characters in it's own
@@ -1927,9 +1931,14 @@
                     $.terminal.encode(prompt),
                     num_chars
                 );
-                var last_line = $.terminal.format(lines[lines.length - 1]);
+                var options = {
+                    char_width: settings.char_width
+                };
+                var last_line = $.terminal.format(lines[lines.length - 1], options);
                 var formatted = lines.slice(0, -1).map(function(line) {
-                    return '<span class="line">' + $.terminal.format(line) + '</span>';
+                    return '<span class="line">' +
+                        $.terminal.format(line, options) +
+                        '</span>';
                 }).concat([last_line]).join('\n');
                 if (prompt_node.html() !== formatted) {
                     prompt_node.html(formatted);
@@ -1975,6 +1984,14 @@
         // :: Command Line Methods
         // ---------------------------------------------------------------------
         $.extend(self, {
+            option: function(name, value) {
+                if (typeof value === 'undefined') {
+                    return settings[name];
+                } else {
+                    settings[name] = value;
+                }
+                return self;
+            },
             name: function(string) {
                 if (string !== undefined) {
                     name = string;
@@ -2152,6 +2169,11 @@
                     return position;
                 }
             },
+            refresh: function() {
+                draw_prompt();
+                redraw();
+                return self;
+            },
             display_position: function(n, relative) {
                 if (n === undefined) {
                     return formatted_position;
@@ -2221,6 +2243,7 @@
                     }
                     animation(true);
                     draw_prompt();
+                    fix_textarea();
                 }
                 mobile_focus();
                 return self;
@@ -2435,17 +2458,18 @@
         function debug(str) {
             if (false) {
                 console.log(str);
-                //$.terminal.active().echo(str);
+                $.terminal.active().echo(str);
             }
         }
         function input_event() {
             debug('input ' + no_keydown + ' || ' + process + ' ((' + no_keypress +
                   ' || ' + dead_key + ') && !' + skip_insert + ' && (' + single_key +
                   ' || ' + no_key + ') && !' + backspace + ')');
+            // correct for fake space used for select all context menu hack
+            var val = clip.val().replace(/^ /, '');
             // Some Androids don't fire keypress - #39
             // if there is dead_key we also need to grab real character #158
             // Firefox/Android with google keyboard don't fire keydown and keyup #319
-            var val = clip.val();
             if ((no_keydown || process || ((no_keypress || dead_key) && !skip_insert &&
                                           (single_key || no_key) && !backspace)) &&
                 val !== command) {
@@ -2560,12 +2584,14 @@
     var url_nf_re = /\b(?![^\s[\]]*])(https?:\/\/(?:(?:(?!&[^;]+;)|(?=&amp;))[^\s"'<>\][)])+)/gi;
     var email_re = /((([^<>('")[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,})))/g;
     var command_re = /((?:"[^"\\]*(?:\\[\S\s][^"\\]*)*"|'[^'\\]*(?:\\[\S\s][^'\\]*)*'|\/[^\/\\]*(?:\\[\S\s][^\/\\]*)*\/[gimy]*(?=\s|$)|(?:\\\s|\S))+)(?=\s|$)/gi;
+    var extended_command_re = /^\s*((terminal|cmd)::([a-z_]+)\(([\s\S]*)\))\s*$/;
     var format_begin_re = /(\[\[[!gbiuso]*;[^;]*;[^\]]*\])/i;
     var format_start_re = /^(\[\[[!gbiuso]*;[^;]*;[^\]]*\])/i;
     var format_end_re = /\[\[[!gbiuso]*;[^;]*;[^\]]*\]?$/i;
     var format_exec_re = /(\[\[(?:[^\]]|\\\])+\]\])/;
     var float_re = /^[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?$/;
     var re_re = /^\/((?:\\\/|[^/]|\[[^\]]*\/[^\]]*\])+)\/([gimy]*)$/;
+    var string_re = /("(?:[^"\\]|\\(?:\\\\)*")*"|'(?:[^'\\]|\\(?:\\\\)*')*')/;
     var unclosed_strings_re = /^(?=((?:[^"']+|"[^"\\]*(?:\\[^][^"\\]*)*"|'[^'\\]*(?:\\[^][^'\\]*)*')*))\1./;
     /* eslint-enable */
     // -------------------------------------------------------------------------
@@ -2603,8 +2629,13 @@
         return div.style.width === '1ch';
     })();
     // -------------------------------------------------------------------------
+    var css_variables_supported = window.CSS && window.CSS.supports &&
+            window.CSS.supports('--fake-var', 0);
+    // -------------------------------------------------------------------------
     var is_android = navigator.userAgent.toLowerCase().indexOf('android') !== -1;
     // -------------------------------------------------------------------------
+    var is_safari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
+    // -------------------------------------------------------------------------
     var strlen = (function() {
         if (typeof wcwidth === 'undefined') {
             return function(string) {
@@ -2633,22 +2664,31 @@
         return string.replace(/>/g, '&gt;').replace(/</g, '&lt;');
     }
     // -------------------------------------------------------------------------
-    function extra_css(text) {
+    function char_width_prop(len, options) {
+        if (ch_unit_supported) {
+            return 'width: ' + len + 'ch';
+        } else if (!css_variables_supported) {
+            if (options.char_width) {
+                return 'width: ' + (options.char_width * len) + 'px';
+            }
+        } else {
+            return '--length: ' + len;
+        }
+        return '';
+    }
+    // -------------------------------------------------------------------------
+    function extra_css(text, options) {
         if (typeof wcwidth !== 'undefined') {
             var bare = bare_text(text);
             var len = strlen(bare);
             if (len !== bare.length) {
-                if (ch_unit_supported) {
-                    return 'width: ' + len + 'ch';
-                } else {
-                    return '--length: ' + len;
-                }
+                return char_width_prop(len, options);
             }
         }
         return '';
     }
     // -------------------------------------------------------------------------
-    function wide_characters(text) {
+    function wide_characters(text, options) {
         if (typeof wcwidth !== 'undefined') {
             var bare = bare_text(text);
             if (bare.length === 1) {
@@ -2684,13 +2724,12 @@
                 if (spec.len === 1) {
                     return spec.str;
                 }
-                var style = '';
-                if (ch_unit_supported) {
-                    style = 'width: ' + spec.sum + 'ch';
+                var style = char_width_prop(spec.sum, options);
+                if (style.length) {
+                    return '<span style="' + style + '">' + spec.str + '</span>';
                 } else {
-                    style = '--length: ' + spec.sum;
+                    return '<span>' + spec.str + '</span>';
                 }
-                return '<span style="' + style + '">' + spec.str + '</span>';
             }).join('');
         }
         return text;
@@ -2832,8 +2871,8 @@
         }
     }
     $.terminal = {
-        version: '1.14.0',
-        date: 'Sat, 24 Mar 2018 16:04:12 +0000',
+        version: 'DEV',
+        date: 'Sat, 12 May 2018 08:39:19 +0000',
         // colors from http://www.w3.org/wiki/CSS/Properties/color/keywords
         color_names: [
             'transparent', 'currentcolor', 'black', 'silver', 'gray', 'white',
@@ -3172,7 +3211,6 @@
                                 prev_format = last.match(format_begin_re)[1];
                             }
                         }
-                        output = output.replace(/^(\[\[[^\]]+\])?\]/, '');
                         result.push(output);
                         // modify loop by returing new data
                         return {index: new_index, length: 0, space: -1};
@@ -3355,9 +3393,9 @@
                                 data = data_text.replace(/&#93;/g, ']')
                                     .replace(/>/g, '&gt;').replace(/</g, '&lt;');
                             }
-                            var extra = extra_css(text);
+                            var extra = extra_css(text, options);
                             if (extra) {
-                                text = wide_characters(text);
+                                text = wide_characters(text, options);
                                 style_str += extra;
                             }
                             var result;
@@ -3395,9 +3433,9 @@
                         });
                     } else {
                         text = safe_text(text);
-                        var extra = extra_css(text);
+                        var extra = extra_css(text, options);
                         if (extra.length) {
-                            text = wide_characters(text);
+                            text = wide_characters(text, options);
                             return '<span style="' + extra + '">' + text + '</span>';
                         } else {
                             return '<span>' + text + '</span>';
@@ -3492,20 +3530,23 @@
         // ---------------------------------------------------------------------
         parse_argument: function parse_argument(arg, strict) {
             function parse_string(string) {
-                // remove quotes if before are even number of slashes
-                // we don't remove slases becuase they are handled by JSON.parse
-                //string = string.replace(/([^\\])['"]$/, '$1');
-                if (string.match(/^['"]/)) {
-                    // fixing regex to match empty string is not worth it
-                    if (string === '""' || string === "''") {
-                        return '';
+                // split string to string literals and non-strings
+                return string.split(string_re).map(function(string) {
+                    // remove quotes if before are even number of slashes
+                    // we don't remove slases becuase they are handled by JSON.parse
+                    if (string.match(/^['"]/)) {
+                        // fixing regex to match empty string is not worth it
+                        if (string === '""' || string === "''") {
+                            return '';
+                        }
+                        var quote = string[0];
+                        var re = new RegExp("(^|(?:\\\\(?:\\\\)*)?)" + quote, "g");
+                        string = string.replace(re, "$1");
                     }
-                    var quote = string[0];
-                    var re = new RegExp("((^|[^\\\\])(?:\\\\\\\\)*)" + quote, "g");
-                    string = string.replace(re, "$1");
-                }
-                // use build in function to parse rest of escaped characters
-                return JSON.parse('"' + string + '"');
+                    string = '"' + string + '"';
+                    // use build in function to parse rest of escaped characters
+                    return JSON.parse(string);
+                }).join('');
             }
             if (strict === false) {
                 if (arg[0] === "'" && arg[arg.length - 1] === "'") {
@@ -3570,9 +3611,27 @@
         extended_command: function extended_command(term, string) {
             try {
                 change_hash = false;
-                term.exec(string, true).done(function() {
-                    change_hash = true;
-                });
+                var m = string.match(extended_command_re);
+                if (m) {
+                    string = m[1];
+                    var obj = m[2] === 'terminal' ? term : term.cmd();
+                    var fn = m[3];
+                    try {
+                        var args = eval('[' + m[4] + ']');
+                        if (!obj[fn]) {
+                            term.error('Unknow function ' + fn);
+                        } else {
+                            obj[fn].apply(term, args);
+                        }
+                    } catch (e) {
+                        term.error('Invalid invocation in ' +
+                                   $.terminal.escape_brackets(string));
+                    }
+                } else {
+                    term.exec(string, true).done(function() {
+                        change_hash = true;
+                    });
+                }
             } catch (e) {
                 // error is process in exec
             }
@@ -4516,26 +4575,30 @@
                 // that returned empty string in this case whe need to add container
                 // because on update/resize it can return content
             } else if (!options.raw) {
-                if ((strlen(string) > num_chars ||
+                var format_options = {
+                    linksNoReferrer: settings.linksNoReferrer,
+                    char_width: char_size.width
+                };
+                var cols = self.cols();
+                if ((strlen(string) > cols ||
                      string.match(/\n/)) &&
                     ((settings.wrap === true && options.wrap === undefined) ||
                      settings.wrap === false && options.wrap === true)) {
                     var words = options.keepWords;
-                    var array = $.terminal.split_equal(string, num_chars, words);
+                    var array = $.terminal.split_equal(string, cols, words);
                     for (i = 0, len = array.length; i < len; ++i) {
                         if (array[i] === '' || array[i] === '\r') {
                             output_buffer.push('<span></span>');
                         } else {
-                            output_buffer.push($.terminal.format(array[i], {
-                                linksNoReferrer: settings.linksNoReferrer
-                            }));
+                            output_buffer.push($.terminal.format(
+                                array[i],
+                                format_options
+                            ));
                         }
                     }
                 } else {
                     string = $.terminal.normalize(string);
-                    string = $.terminal.format(string, {
-                        linksNoReferrer: settings.linksNoReferrer
-                    });
+                    string = $.terminal.format(string, format_options);
                     string.split(/\n/).forEach(function(string) {
                         output_buffer.push(string);
                     });
@@ -5902,7 +5965,7 @@
                 if (settings.numChars) {
                     return settings.numChars;
                 }
-                if (typeof num_chars === 'undefined') {
+                if (typeof num_chars === 'undefined' || num_chars === 1000) {
                     num_chars = get_num_chars(self, char_size);
                 }
                 return num_chars;
@@ -6199,7 +6262,7 @@
             get_prompt: function() {
                 return interpreters.top().prompt;
                 // command_line.prompt(); - can be a wrapper
-                // return command_line.prompt();
+                //return command_line.prompt();
             },
             // -------------------------------------------------------------
             // :: Enable or Disable mask depedning on the passed argument
@@ -6777,6 +6840,32 @@
                 return self;
             },
             // -------------------------------------------------------------
+            // :: invoke keydown shorcut
+            // -------------------------------------------------------------
+            invoke_key: function(shortcut) {
+                var keys = shortcut.toUpperCase().split('+');
+                var key = keys.pop();
+                var ctrl = keys.indexOf('CTRL') !== -1;
+                var shift = keys.indexOf('SHIFT') !== -1;
+                var alt = keys.indexOf('ALT') !== -1;
+                var meta = keys.indexOf('META') !== -1;
+                var e = $.Event("keydown", {
+                    ctrlKey: ctrl,
+                    shiftKey: shift,
+                    altKey: alt,
+                    metaKey: meta,
+                    which: reversed_keycodes[key],
+                    key: key
+                });
+                var doc = $(document.documentElement || window);
+                doc.trigger(e);
+                e = $.Event("keypress");
+                e.key = key;
+                e.which = e.keyCode = 0;
+                doc.trigger(e);
+                return self;
+            },
+            // -------------------------------------------------------------
             // :: change terminal keymap at runtime
             // -------------------------------------------------------------
             keymap: function(keymap, fn) {
@@ -6936,6 +7025,97 @@
                 }
             };
         }));
+        // for invoking shortcuts using terminal::keydown
+        // taken from https://github.com/cvan/keyboardevent-key-polyfill/
+        var keycodes = {
+            3: 'Cancel',
+            6: 'Help',
+            8: 'Backspace',
+            9: 'Tab',
+            12: 'Clear',
+            13: 'Enter',
+            16: 'Shift',
+            17: 'Control',
+            18: 'Alt',
+            19: 'Pause',
+            20: 'CapsLock',
+            27: 'Escape',
+            28: 'Convert',
+            29: 'NonConvert',
+            30: 'Accept',
+            31: 'ModeChange',
+            32: ' ',
+            33: 'PageUp',
+            34: 'PageDown',
+            35: 'End',
+            36: 'Home',
+            37: 'ArrowLeft',
+            38: 'ArrowUp',
+            39: 'ArrowRight',
+            40: 'ArrowDown',
+            41: 'Select',
+            42: 'Print',
+            43: 'Execute',
+            44: 'PrintScreen',
+            45: 'Insert',
+            46: 'Delete',
+            48: ['0', ')'],
+            49: ['1', '!'],
+            50: ['2', '@'],
+            51: ['3', '#'],
+            52: ['4', '$'],
+            53: ['5', '%'],
+            54: ['6', '^'],
+            55: ['7', '&'],
+            56: ['8', '*'],
+            57: ['9', '('],
+            91: 'OS',
+            93: 'ContextMenu',
+            144: 'NumLock',
+            145: 'ScrollLock',
+            181: 'VolumeMute',
+            182: 'VolumeDown',
+            183: 'VolumeUp',
+            186: [';', ':'],
+            187: ['=', '+'],
+            188: [',', '<'],
+            189: ['-', '_'],
+            190: ['.', '>'],
+            191: ['/', '?'],
+            192: ['`', '~'],
+            219: ['[', '{'],
+            220: ['\\', '|'],
+            221: [']', '}'],
+            222: ["'", '"'],
+            224: 'Meta',
+            225: 'AltGraph',
+            246: 'Attn',
+            247: 'CrSel',
+            248: 'ExSel',
+            249: 'EraseEof',
+            250: 'Play',
+            251: 'ZoomOut'
+        };
+        // Function keys (F1-24).
+        for (i = 1; i < 25; i++) {
+            keycodes[111 + i] = 'F' + i;
+        }
+        // Printable ASCII characters.
+        var letter = '';
+        for (i = 65; i < 91; i++) {
+            letter = String.fromCharCode(i);
+            keycodes[i] = [letter.toLowerCase(), letter.toUpperCase()];
+        }
+        var reversed_keycodes = {};
+        Object.keys(keycodes).forEach(function(which) {
+            if (keycodes[which] instanceof Array) {
+                keycodes[which].forEach(function(key) {
+                    reversed_keycodes[key.toUpperCase()] = which;
+                });
+            } else {
+                reversed_keycodes[keycodes[which].toUpperCase()] = which;
+            }
+        });
 
         // -----------------------------------------------------------------
         // INIT CODE
@@ -6950,9 +7130,10 @@
         if (settings.height) {
             self.height(settings.height);
         }
-        // Some browser use html for scrolling
-        if (self.is('body,html')) {
-            scroll_object = $('body,html');
+        // scrollTop need be on html but scrollHeight taken from body
+        // on Safari both on body it's easier to just put both in selector and it works
+        if (self.is('body') && !is_safari) {
+            scroll_object = $('html,body');
         } else {
             scroll_object = self;
         }
@@ -7005,7 +7186,7 @@
         }
         function blur_terminal() {
             old_enabled = enabled;
-            self.disable().find('textarea').trigger('blur', [true]);
+            self.disable().find('.cmd textarea').trigger('blur', [true]);
         }
         function paste_event(e) {
             e = e.originalEvent;
@@ -7080,7 +7261,7 @@
                 caseSensitiveSearch: settings.caseSensitiveSearch,
                 width: '100%',
                 enabled: false,
-
+                char_width: char_size.width,
                 keydown: key_down,
                 keymap: new_keymap,
                 clickTimeout: settings.clickTimeout,
@@ -7150,7 +7331,7 @@
                     var count = 0;
                     var $target;
                     var name = 'click_' + self.id();
-                    var textarea = self.find('textarea');
+                    var textarea = self.find('.cmd textarea');
                     function click() {
                         if ($target.is('.terminal') ||
                             $target.is('.terminal-wrapper')) {
@@ -7195,7 +7376,7 @@
                     });
                 })();
                 (function() {
-                    var clip = self.find('textarea');
+                    var clip = self.find('.cmd textarea');
                     self.on('contextmenu.terminal', function(e) {
                         if (get_selected_text() === '') {
                             if (!$(e.target).is('img,value,audio,object,canvas,a')) {
@@ -7239,9 +7420,7 @@
                     });
                 })();
             }
-            // .on('mouseup', 'a', function(e) {
-            // in new jquery .delegate just call .on
-            self.delegate('a', 'mouseup', function(e) {
+            self.on('click', 'a', function(e) {
                 var $this = $(this);
                 if ($this.closest('.exception').length) {
                     var href = $this.attr('href');
@@ -7252,16 +7431,18 @@
                 }
                 // refocus because links have tabindex in case where user want
                 // tab change urls, we can ignore this function on click
-                self.find('textarea').focus();
+                if (enabled) {
+                    self.find('.cmd textarea').focus();
+                }
             });
-            if (self.is(':visible')) {
-                num_chars = self.cols();
-                command_line.resize(num_chars);
-                if (!char_size) {
-                    char_size = get_char_size(self);
+            function calculate_char_size() {
+                var width = char_size.width;
+                char_size = get_char_size(self);
+                if (width !== char_size.width) {
+                    command_line.option('char_width', char_size.width).refresh();
                 }
-                num_rows = get_num_rows(self, char_size);
             }
+            resize();
             function resize() {
                 if (self.is(':visible')) {
                     var width = fill.width();
@@ -7277,7 +7458,7 @@
             function create_resizers() {
                 self.resizer('unbind').resizer(resize);
                 font_resizer.resizer('unbind').resizer(function() {
-                    char_size = get_char_size(self);
+                    calculate_char_size();
                     self.resize();
                 });
             }
@@ -7297,7 +7478,7 @@
                     if (self.is(':visible') && !visible) {
                         visible = true;
                         create_resizers();
-                        char_size = get_char_size(self);
+                        calculate_char_size();
                         resize();
                         if (was_enabled) {
                             self.enable();
@@ -7314,26 +7495,27 @@
             }
             var in_dom = !!self.closest('body').length;
             var MutationObsrv = window.MutationObserver || window.WebKitMutationObserver;
-            if (window.IntersectionObserver) {
-                if (MutationObsrv) {
-                    mutation_observer = new MutationObsrv(function() {
-                        if (self.closest('body').length) {
-                            if (!in_dom) {
-                                self.scroll_to_bottom();
+            if (MutationObsrv) {
+                mutation_observer = new MutationObsrv(function() {
+                    if (self.closest('body').length) {
+                        if (!in_dom) {
+                            self.scroll_to_bottom();
+                            if (window.IntersectionObserver) {
                                 observe_visibility();
                             }
-                            in_dom = true;
-                        } else if (in_dom) {
-                            in_dom = false;
+                            resize();
                         }
-                    });
-                    mutation_observer.observe(document.body, {childList: true});
-                }
+                        in_dom = true;
+                    } else if (in_dom) {
+                        in_dom = false;
+                    }
+                });
+                mutation_observer.observe(document.body, {childList: true});
+            }
+            if (window.IntersectionObserver && in_dom) {
                 // check if element is in the DOM if not running IntersectionObserver
                 // don't make sense
-                if (in_dom) {
-                    observe_visibility();
-                }
+                observe_visibility();
             }
             command_queue.resolve();
             // touch devices need touch event to get virtual keyboard
diff --git a/js/jquery.terminal.min.js b/js/jquery.terminal.min.js
index 3dde721dd..e8906f82e 100644
--- a/js/jquery.terminal.min.js
+++ b/js/jquery.terminal.min.js
@@ -4,7 +4,7 @@
  *  __ / // // // // // _  // _// // / / // _  // _//     // //  \/ // _ \/ /
  * /  / // // // // // ___// / / // / / // ___// / / / / // // /\  // // / /__
  * \___//____ \\___//____//_/ _\_  / /_//____//_/ /_/ /_//_//_/ /_/ \__\_\___/
- *           \/              /____/                              version 1.14.0
+ *           \/              /____/                              version DEV
  *
  * This file is part of jQuery Terminal. http://terminal.jcubic.pl
  *
@@ -32,6 +32,6 @@
  * Copyright (c) 2007-2013 Alexandru Marasteanu <hello at alexei dot ro>
  * licensed under 3 clause BSD license
  *
- * Date: Sat, 24 Mar 2018 16:04:12 +0000
+ * Date: Sat, 12 May 2018 08:39:19 +0000
  */
-(function(e){var n=function(){if(!n.cache.hasOwnProperty(arguments[0])){n.cache[arguments[0]]=n.parse(arguments[0])}return n.format.call(null,n.cache[arguments[0]],arguments)};n.format=function(e,t){var o=1,a=e.length,s="",l,f=[],u,c,p,m,h,d;for(u=0;u<a;u++){s=r(e[u]);if(s==="string"){f.push(e[u])}else if(s==="array"){p=e[u];if(p[2]){l=t[o];for(c=0;c<p[2].length;c++){if(!l.hasOwnProperty(p[2][c])){throw n('[sprintf] property "%s" does not exist',p[2][c])}l=l[p[2][c]]}}else if(p[1]){l=t[p[1]]}else{l=t[o++]}if(/[^s]/.test(p[8])&&r(l)!=="number"){throw n("[sprintf] expecting number but found 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if(l){l=false}});$e.observe(document.body,{childList:true})}if(window.IntersectionObserver&&l){s()}ne.resolve();if(de&&W.is(":visible")&&!is_mobile){W.focus(undefined,true)}else{W.disable()}if($.isFunction(je)){W.login(je,true,I)}else{I()}function c(e){var t=terminals.get()[e[0]];if(t&&V===t.id()){if(e[2]){try{if(ge){var n=$.Deferred();R.push(function(){return t.exec(e[2]).done(function(){t.save_state(e[2],true,e[1]);n.resolve()})});return n.promise()}else{return t.exec(e[2]).done(function(){t.save_state(e[2],true,e[1])})}}catch(e){var r=t.settings();if($.isFunction(r.exceptionHandler)){r.exceptionHandler.call(W,e,"EXEC HASH")}else{var i=$.terminal.escape_brackets(ee);var o="Error while exec with command "+i;t.error(o).exception(e)}}}}}if(pe.execHash){if(location.hash){setTimeout(function(){try{var e=location.hash.replace(/^#/,"");hash_commands=JSON.parse(decodeURIComponent(e));var t=0;(function e(){var n=hash_commands[t++];if(n){c(n).done(e)}else{change_hash=true}})()}catch(e){}})}else{change_hash=true}}else{change_hash=true}var u=false;$(document).bind("keydown.terminal_"+W.id(),function(e){if(e.shiftKey){u=true}}).bind("keyup.terminal_"+W.id(),function(e){if(e.shiftKey||e.which===16){u=false}});function p(e,t){if(!u){var n=_e.top();var r;if($.isFunction(n.mousewheel)){r=n.mousewheel(e,t,W)}else if($.isFunction(pe.mousewheel)){r=pe.mousewheel(e,t,W)}if(C()||r===false){e.stopPropagation();e.preventDefault()}if(r===false){return}if(t>0){W.scroll(-40)}else{W.scroll(40)}}}if($.event.special.mousewheel){W.on("mousewheel",p)}else{var h;var g=document.createElement("div");if("onwheel"in g){h="wheel"}else if(document.onmousewheel!==undefined){h="mousewheel"}else{h="DOMMouseScroll"}g=null;W.on(h,function(e){var t;if(h==="mousewheel"){t=-1/40*e.originalEvent.wheelDelta}else{t=e.originalEvent.deltaY||e.originalEvent.detail}p(e,-t)})}});W.data("terminal",W);return W}});
\ No newline at end of file
diff --git a/package.json b/package.json
index 4f3439972..7286d983d 100644
--- a/package.json
+++ b/package.json
@@ -165,7 +165,6 @@
       "guard-for-in": "error",
       "no-caller": "error",
       "no-empty-function": "error",
-      "no-eval": "error",
       "no-extend-native": "error",
       "no-extra-bind": "error",
       "no-fallthrough": "error",
diff --git a/spec/terminalSpec.js b/spec/terminalSpec.js
index 5cbfa30b3..d5ac310d7 100644
--- a/spec/terminalSpec.js
+++ b/spec/terminalSpec.js
@@ -239,6 +239,16 @@ function tests_on_ready() {
                     rest: '"foo bar" baz /^asd [x]/ str\\ str 10 1e10 ""'
                 });
             });
+            it('should handle JSON string', function() {
+                var cmd = jQuery.terminal.parse_command('{"demo": ["error"]}');
+                expect(cmd).toEqual({
+                    command: '{"demo": ["error"]}',
+                    name: '{"demo":',
+                    args: ['[error]}'],
+                    args_quotes: [""],
+                    rest: '["error"]}'
+                });
+            });
         });
         var ansi_string = '\x1b[2;31;46mFoo\x1b[1;3;4;32;45mB[[sb;;]a]r\x1b[0m\x1b[7mBaz';
         describe('$.terminal.from_ansi', function() {
@@ -723,7 +733,7 @@ function tests_on_ready() {
             });
             it('should handle new line as first character of formatting #375', function() {
                 var specs = [
-                    ['A[[;;]\n]B', ['A', 'B']],
+                    ['A[[;;]\n]B', ['A', '[[;;;;\\n]]B']],
                     ['A[[;;]\nB]C', ['A', '[[;;;;\\nB]B]C']]
                 ];
                 specs.forEach(function(spec) {
@@ -2215,50 +2225,50 @@ function tests_on_ready() {
                     greetings: greetings,
                     completion: completion
                 });
-            it('should export view', function() {
-                enter(term, 'foo');
-                enter(term, 'bar');
-                term.insert(command);
-                term.set_prompt(prompt);
-                term.set_mask(mask);
-                position = term.cmd().position();
-                exported_view = term.export_view();
-                expect(exported_view.prompt).toEqual(prompt);
-                expect(exported_view.position).toEqual(position);
-                expect(exported_view.focus).toEqual(true);
-                expect(exported_view.mask).toEqual(mask);
-                expect(exported_view.command).toEqual(command);
-                expect(exported_view.lines[0][0]).toEqual('Hello World!');
-                expect(exported_view.lines[1][0]).toEqual('> foo');
-                expect(exported_view.lines[2][0]).toEqual('> bar');
-                expect(exported_view.interpreters.size()).toEqual(1);
-                var top = exported_view.interpreters.top();
-                expect(top.interpreter).toEqual($.noop);
-                expect(top.name).toEqual(terminal_name);
-                expect(top.prompt).toEqual(prompt);
-                expect(top.greetings).toEqual(greetings);
-                expect(top.completion).toEqual('settings');
-            });
-            it('should import view', function() {
-                term.clear().push($.noop).set_prompt('# ')
-                    .set_mask(false)
-                    .set_command('foo');
-                var cmd = term.cmd();
-                cmd.position(0);
-                term.import_view(exported_view);
-                expect(cmd.mask()).toEqual(mask);
-                expect(term.get_command()).toEqual(command);
-                expect(term.get_prompt()).toEqual(prompt);
-                expect(cmd.position()).toEqual(position);
-                var html = '<div data-index="0"><div style="width: 100%;"><span>Hello&nbsp;World!</span></div></div>'+
-                        '<div data-index="1" class="command" role="presentation" aria-hidden="true">'+
-                        '<div style="width: 100%;"><span>&gt;&nbsp;foo</span></div>'+
-                        '</div>'+
-                        '<div data-index="2" class="command" role="presentation" aria-hidden="true">'+
-                        '<div style="width: 100%;"><span>&gt;&nbsp;bar</span></div>'+
-                        '</div>';
-                expect(term.find('.terminal-output').html()).toEqual(html);
-            });
+                it('should export view', function() {
+                    enter(term, 'foo');
+                    enter(term, 'bar');
+                    term.insert(command);
+                    term.set_prompt(prompt);
+                    term.set_mask(mask);
+                    position = term.cmd().position();
+                    exported_view = term.export_view();
+                    expect(exported_view.prompt).toEqual(prompt);
+                    expect(exported_view.position).toEqual(position);
+                    expect(exported_view.focus).toEqual(true);
+                    expect(exported_view.mask).toEqual(mask);
+                    expect(exported_view.command).toEqual(command);
+                    expect(exported_view.lines[0][0]).toEqual('Hello World!');
+                    expect(exported_view.lines[1][0]).toEqual('> foo');
+                    expect(exported_view.lines[2][0]).toEqual('> bar');
+                    expect(exported_view.interpreters.size()).toEqual(1);
+                    var top = exported_view.interpreters.top();
+                    expect(top.interpreter).toEqual($.noop);
+                    expect(top.name).toEqual(terminal_name);
+                    expect(top.prompt).toEqual(prompt);
+                    expect(top.greetings).toEqual(greetings);
+                    expect(top.completion).toEqual('settings');
+                });
+                it('should import view', function() {
+                    term.clear().push($.noop).set_prompt('# ')
+                        .set_mask(false)
+                        .set_command('foo');
+                    var cmd = term.cmd();
+                    cmd.position(0);
+                    term.import_view(exported_view);
+                    expect(cmd.mask()).toEqual(mask);
+                    expect(term.get_command()).toEqual(command);
+                    expect(term.get_prompt()).toEqual(prompt);
+                    expect(cmd.position()).toEqual(position);
+                    var html = '<div data-index="0"><div style="width: 100%;"><span>Hello&nbsp;World!</span></div></div>'+
+                            '<div data-index="1" class="command" role="presentation" aria-hidden="true">'+
+                            '<div style="width: 100%;"><span>&gt;&nbsp;foo</span></div>'+
+                            '</div>'+
+                            '<div data-index="2" class="command" role="presentation" aria-hidden="true">'+
+                            '<div style="width: 100%;"><span>&gt;&nbsp;bar</span></div>'+
+                            '</div>';
+                    expect(term.find('.terminal-output').html()).toEqual(html);
+                });
             });
             describe('exec', function() {
                 var counter = 0;
@@ -2967,7 +2977,57 @@ function tests_on_ready() {
                     term.echo('foo', {flush: false});
                     term.echo('bar');
                     expect(term.find('.terminal-output').text()).toEqual('foobar');
-                    term.destroy().remove();
+                });
+                it('should render multiline JSON array #375', function() {
+                    var input = JSON.stringify([{"error": "bug"}], null, 2);
+                    term.clear().echo(input);
+                    expect(output().join('\n')).toEqual(input);
+                });
+                describe('extended commands', function() {
+                    var term = $('<div/>').terminal($.noop, {checkArity: false});
+                    var interpreter;
+                    beforeEach(function() {
+                        interpreter = {
+                            foo: function(a, b) {
+                            }
+                        };
+                        spy(interpreter, 'foo');
+                        term.push(interpreter);
+                    });
+                    afterEach(function() {
+                        term.pop();
+                    });
+                    it('should invoke command', function() {
+                        term.echo('[[ foo ]]]');
+                        expect(interpreter.foo).toHaveBeenCalled();
+                    });
+                    it('should invoke command with arguments', function() {
+                        term.echo('[[ foo "a" /xxx/g ]]]');
+                        expect(interpreter.foo).toHaveBeenCalledWith("a", /xxx/g);
+                    });
+                    it('should invoke terminal method', function() {
+                        spy(term, 'clear');
+                        term.echo('[[ terminal::clear() ]]');
+                        expect(term.clear).toHaveBeenCalled();
+                    });
+                    it('should invoke terminal method with arguments', function() {
+                        global.foo = 10;
+                        term.echo('[[ terminal::echo("xxx", {finalize: function() { foo = 20; }}) ]]');
+                        expect(global.foo).toEqual(20);
+                    });
+                    it('should invoke terminal method where arguments have newlines', function() {
+                        global.foo = 10;
+                        term.echo(`[[ terminal::echo("xxx", {
+                                           finalize: function() {
+                                               foo = 20;
+                                           }
+                                      }) ]]`);
+                        expect(global.foo).toEqual(20);
+                    });
+                    it('should invoke cmd method', function() {
+                        term.echo('[[ cmd::prompt(">>>") ]]');
+                        expect(term.cmd().prompt()).toEqual('>>>');
+                    });
                 });
             });
             describe('error', function() {
diff --git a/templates/README.in b/templates/README.in
index ca544c1b2..1fa4dc744 100644
--- a/templates/README.in
+++ b/templates/README.in
@@ -11,11 +11,11 @@ http://terminal.jcubic.pl
 [![npm](https://img.shields.io/badge/npm-{{VER}}-blue.svg)](https://www.npmjs.com/package/jquery.terminal)
 ![bower](https://img.shields.io/badge/bower-{{VER}}-yellow.svg)
 [![travis](https://travis-ci.org/jcubic/jquery.terminal.svg?branch={{BRANCH}}&{{COMMIT}})](https://travis-ci.org/jcubic/jquery.terminal)
-[![Known Vulnerabilities](https://snyk.io/test/npm/jquery.terminal/badge.svg)](https://snyk.io/test/npm/jquery.terminal)
 [![Coverage Status](https://coveralls.io/repos/github/jcubic/jquery.terminal/badge.svg?branch={{BRANCH}}&{{CHECKSUM}})](https://coveralls.io/github/jcubic/jquery.terminal?branch={{BRANCH}})
 ![downloads](https://img.shields.io/npm/dm/jquery.terminal.svg?style=flat)
 [![package quality](http://npm.packagequality.com/shield/jquery.terminal.svg)](http://packagequality.com/#?package=jquery.terminal)
 [![](https://data.jsdelivr.com/v1/package/npm/jquery.terminal/badge?style=rounded)](https://www.jsdelivr.com/package/npm/jquery.terminal)
+[![](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/jcubic/jquery.terminal/blob/master/LICENSE)
 
 ### Summary
 
@@ -32,7 +32,7 @@ users. It can also be used to debug your application.
 
 * Support for authentication (you can provide functions when users enter
   login and password or if you use JSON-RPC it can automatically call
-  login function on the server and pass token to all functions)
+  login function on the server and pass token to all functions).
 
 * Stack of interpreters - you can create commands that trigger additional
   interpreters (eg. you can use couple of JSON-RPC service and run them
@@ -44,18 +44,23 @@ users. It can also be used to debug your application.
   object/commands as you like. If the value is a string it will create
   JSON-RPC service.
 
-* Support for command line history, it uses Local Storage if possible
+* Support for command line history, it uses Local Storage if possible.
 
-* Support for tab completion
+* Support for tab completion.
 
 * Includes keyboard shortcut from bash like CTRL+A, CTRL+D, CTRL+E etc.
 
 * Multiply terminals on one page (every terminal can have different
-  command, it's own authentication function and it's own command history)
+  command, it's own authentication function and it's own command history).
 
 * It catches all exceptions and displays error messages in the terminal
   (you can see errors in your javascript and php code in terminal if they
-  are in the interpreter function)
+  are in the interpreter function).
+
+* Using extended commands you can change working of the terminal without
+  touching the front-end code (using echo method and terminal formatting
+  like syntax). Read more in
+  [docs](https::/terminal.jcubic.pl/api_reference.php#extended_commands)
 
 ### Installation
 
@@ -185,13 +190,21 @@ More examples [here](http://terminal.jcubic.pl/examples.php). You can also check
 If you want to contrubite read [CONTRIBUTING.md](CONTRIBUTING.md) first. Here are project contributors:
 
 <!-- CONTRIBUTORS-START -->
-| [<img src="https://avatars1.githubusercontent.com/u/280241?v=4" width="100px;"/><br /><sub>Jakub Jankiewicz</sub>](http://jcubic.pl/me)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=jcubic) | [<img src="https://avatars1.githubusercontent.com/u/1208327?v=4" width="100px;"/><br /><sub>Zuo Qiyang</sub>](http://zuoqy.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=kid1412z) | [<img src="https://avatars1.githubusercontent.com/u/6674275?v=4" width="100px;"/><br /><sub>Sébastien Warin</sub>](http://sebastien.warin.fr)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=sebastienwarin) | [<img src="https://avatars2.githubusercontent.com/u/8646106?v=4" width="100px;"/><br /><sub>Christopher John Ryan</sub>](https://github.com/ChrisJohnRyan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ChrisJohnRyan) | [<img src="https://avatars3.githubusercontent.com/u/715580?v=4" width="100px;"/><br /><sub>Johan</sub>](https://github.com/johanjordaan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=johanjordaan) | [<img src="https://avatars0.githubusercontent.com/u/273194?v=4" width="100px;"/><br /><sub>Florian Schäfer</sub>](https://github.com/fschaefer)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=fschaefer) | [<img src="https://avatars0.githubusercontent.com/u/1751242?v=4" width="100px;"/><br /><sub>Ishan Ratnapala</sub>](https://github.com/IshanRatnapala)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=IshanRatnapala) |
-| :---: | :---: | :---: | :---: | :---: | :---: | :---: |
-| [<img src="https://avatars2.githubusercontent.com/u/375027?v=4" width="100px;"/><br /><sub>Tomasz Ducin</sub>](http://ducin.it)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ducin) | [<img src="https://avatars1.githubusercontent.com/u/569896?v=4" width="100px;"/><br /><sub>Anton Vasilev</sub>](https://github.com/avdes)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=avdes) | [<img src="https://avatars3.githubusercontent.com/u/336727?v=4" width="100px;"/><br /><sub>finlob</sub>](https://github.com/finlob)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=finlob) | [<img src="https://avatars2.githubusercontent.com/u/9531780?v=4" width="100px;"/><br /><sub>Hasan</sub>](https://github.com/JuanPotato)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=JuanPotato) | [<img src="https://avatars1.githubusercontent.com/u/137852?v=4" width="100px;"/><br /><sub>Hraban Luyat</sub>](https://luyat.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=hraban) | [<img src="https://avatars0.githubusercontent.com/u/74179?v=4" width="100px;"/><br /><sub>Martin v. Löwis</sub>](https://github.com/loewis)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=loewis) | [<img src="https://avatars2.githubusercontent.com/u/27475?v=4" width="100px;"/><br /><sub>Mateusz Paprocki</sub>](https://github.com/mattpap)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mattpap) |
-| [<img src="https://avatars2.githubusercontent.com/u/7055377?v=4" width="100px;"/><br /><sub>exit1</sub>](https://github.com/exit1)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=exit1) | [<img src="https://avatars3.githubusercontent.com/u/1263192?v=4" width="100px;"/><br /><sub>Robert Wikman</sub>](https://github.com/rbw0)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=rbw0) | [<img src="https://avatars1.githubusercontent.com/u/139603?v=4" width="100px;"/><br /><sub>Steve Phillips</sub>](https://tryingtobeawesome.com/)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=elimisteve) | [<img src="https://avatars0.githubusercontent.com/u/1833930?v=4" width="100px;"/><br /><sub>Yutong Luo</sub>](https://yutongluo.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=yutongluo) | [<img src="https://avatars3.githubusercontent.com/u/1573141?v=4" width="100px;"/><br /><sub>coderaiser</sub>](http://coderaiser.github.io)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=coderaiser) | [<img src="https://avatars2.githubusercontent.com/u/282724?v=4" width="100px;"/><br /><sub>mrkaiser</sub>](https://github.com/mrkaiser)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mrkaiser) | [<img src="https://avatars2.githubusercontent.com/u/179534?v=4" width="100px;"/><br /><sub>stereobooster</sub>](https://github.com/stereobooster)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=stereobooster) |
-| [<img src="https://avatars1.githubusercontent.com/u/588573?v=4" width="100px;"/><br /><sub>Juraj Vitko</sub>](https://github.com/youurayy)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=youurayy) |
+| [<img src="https://avatars1.githubusercontent.com/u/280241?v=4" width="100px;"/><br /><sub>Jakub Jankiewicz</sub>](http://jcubic.pl/me)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=jcubic) | [<img src="https://avatars1.githubusercontent.com/u/1208327?v=4" width="100px;"/><br /><sub>Zuo Qiyang</sub>](http://zuoqy.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=kid1412z) | [<img src="https://avatars1.githubusercontent.com/u/4943440?v=4" width="100px;"/><br /><sub>Marcel Link</sub>](https://github.com/ml1nk)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ml1nk) | [<img src="https://avatars1.githubusercontent.com/u/6674275?v=4" width="100px;"/><br /><sub>Sébastien Warin</sub>](http://sebastien.warin.fr)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=sebastienwarin) | [<img src="https://avatars2.githubusercontent.com/u/8646106?v=4" width="100px;"/><br /><sub>Christopher John Ryan</sub>](https://github.com/ChrisJohnRyan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ChrisJohnRyan) | [<img src="https://avatars3.githubusercontent.com/u/715580?v=4" width="100px;"/><br /><sub>Johan</sub>](https://github.com/johanjordaan)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=johanjordaan) | [<img src="https://avatars0.githubusercontent.com/u/273194?v=4" width="100px;"/><br /><sub>Florian Schäfer</sub>](https://github.com/fschaefer)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=fschaefer) |
+| :---: | :---: | :---: | :---: | :---: | :---: | :---:  |
+| [<img src="https://avatars0.githubusercontent.com/u/1751242?v=4" width="100px;"/><br /><sub>Ishan Ratnapala</sub>](https://github.com/IshanRatnapala)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=IshanRatnapala) | [<img src="https://avatars2.githubusercontent.com/u/375027?v=4" width="100px;"/><br /><sub>Tomasz Ducin</sub>](http://ducin.it)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=ducin) | [<img src="https://avatars1.githubusercontent.com/u/569896?v=4" width="100px;"/><br /><sub>Anton Vasilev</sub>](https://github.com/avdes)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=avdes) | [<img src="https://avatars3.githubusercontent.com/u/336727?v=4" width="100px;"/><br /><sub>finlob</sub>](https://github.com/finlob)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=finlob) | [<img src="https://avatars2.githubusercontent.com/u/9531780?v=4" width="100px;"/><br /><sub>Hasan</sub>](https://github.com/JuanPotato)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=JuanPotato) | [<img src="https://avatars1.githubusercontent.com/u/137852?v=4" width="100px;"/><br /><sub>Hraban Luyat</sub>](https://luyat.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=hraban) | [<img src="https://avatars0.githubusercontent.com/u/74179?v=4" width="100px;"/><br /><sub>Martin v. Löwis</sub>](https://github.com/loewis)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=loewis) |
+| [<img src="https://avatars2.githubusercontent.com/u/27475?v=4" width="100px;"/><br /><sub>Mateusz Paprocki</sub>](https://github.com/mattpap)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mattpap) | [<img src="https://avatars2.githubusercontent.com/u/7055377?v=4" width="100px;"/><br /><sub>exit1</sub>](https://github.com/exit1)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=exit1) | [<img src="https://avatars3.githubusercontent.com/u/1263192?v=4" width="100px;"/><br /><sub>Robert Wikman</sub>](https://github.com/rbw0)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=rbw0) | [<img src="https://avatars1.githubusercontent.com/u/139603?v=4" width="100px;"/><br /><sub>Steve Phillips</sub>](https://tryingtobeawesome.com/)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=elimisteve) | [<img src="https://avatars0.githubusercontent.com/u/1833930?v=4" width="100px;"/><br /><sub>Yutong Luo</sub>](https://yutongluo.com)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=yutongluo) | [<img src="https://avatars3.githubusercontent.com/u/1573141?v=4" width="100px;"/><br /><sub>coderaiser</sub>](http://coderaiser.github.io)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=coderaiser) | [<img src="https://avatars2.githubusercontent.com/u/282724?v=4" width="100px;"/><br /><sub>mrkaiser</sub>](https://github.com/mrkaiser)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=mrkaiser) |
+| [<img src="https://avatars2.githubusercontent.com/u/179534?v=4" width="100px;"/><br /><sub>stereobooster</sub>](https://github.com/stereobooster)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=stereobooster) | [<img src="https://avatars1.githubusercontent.com/u/588573?v=4" width="100px;"/><br /><sub>Juraj Vitko</sub>](https://github.com/youurayy)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=youurayy) |
 <!-- CONTRIBUTORS-END -->
 
+[jQuery Terminal Website](https://github.com/jcubic/jquery.terminal-www) contributors:
+
+<!-- CONTRIBUTORS-WWW-START -->
+| [<img src="https://avatars1.githubusercontent.com/u/280241?v=4" width="100px;"/><br /><sub>Jakub Jankiewicz</sub>](http://jcubic.pl/me)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=jcubic) | [<img src="https://avatars0.githubusercontent.com/u/31372?v=4" width="100px;"/><br /><sub>Rich Morin</sub>](http://www.cfcl.com/rdm)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=RichMorin) | [<img src="https://avatars0.githubusercontent.com/u/26324569?v=4" width="100px;"/><br /><sub>DInesh51297</sub>](https://github.com/DInesh51297)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=DInesh51297) | [<img src="https://avatars1.githubusercontent.com/u/512317?v=4" width="100px;"/><br /><sub>Logan Rosen</sub>](http://www.loganrosen.com/)<br>[commits](https://github.com/jcubic/jquery.terminal/commits?author=loganrosen) |
+| :---: | :---: | :---: | :---:  |
+<!-- CONTRIBUTORS-WWW-END -->
+
+
 ### License
 
 Licensed under [MIT](http://opensource.org/licenses/MIT) license
diff --git a/templates/package.in b/templates/package.in
index 7c0dc9edd..8facc81e8 100644
--- a/templates/package.in
+++ b/templates/package.in
@@ -165,7 +165,6 @@
       "guard-for-in": "error",
       "no-caller": "error",
       "no-empty-function": "error",
-      "no-eval": "error",
       "no-extend-native": "error",
       "no-extra-bind": "error",
       "no-fallthrough": "error",
diff --git a/update-contributors b/update-contributors
index ac9758e36..df8499697 100755
--- a/update-contributors
+++ b/update-contributors
@@ -1,13 +1,22 @@
 #!/bin/bash
 
-CONTRIBUTORS=`./contributors -u jcubic -r jquery.terminal -m $@  | tr '\n' '☺'`
 
-if echo "$CONTRIBUTORS" | grep ERROR > /dev/null; then
-    echo "$CONTRIBUTORS" | tr '☺' '\n'
-else
-    cat README.in | sed -n "/CONTRIBUTORS-START/{p;:a;N;/CONTRIBUTORS-END/!ba;s%.*\n%${CONTRIBUTORS}%};p" | tr '☺' '\n' > README.tmp
-    cp README.tmp README.in
-    rm README.tmp
-fi
+function contributors() {
+    user=$1
+    repo=$2
+    marker=$3
+    file=$4
 
+    CONTRIBUTORS=`./contributors -u $user -r $repo -m | tr '\n' '☺'`
+    if echo "$CONTRIBUTORS" | grep ERROR > /dev/null; then
+        echo "$CONTRIBUTORS" | tr '☺' '\n'
+    else
+        cat $file | sed -n "/${marker}-START/{p;:a;N;/${marker}-END/!ba;s%.*\n%${CONTRIBUTORS}%};p" | tr '☺' '\n' > README.tmp
+        cp README.tmp $file
+        rm README.tmp
+    fi
+}
 
+contributors jcubic jquery.terminal "CONTRIBUTORS" templates/README.in
+contributors jcubic jquery.terminal-www "CONTRIBUTORS-WWW" templates/README.in
+contributors jcubic jquery.terminal-www "CONTRIBUTORS" www/README.md