Terminal execute command from escaped brackets

[jcubic]

Issue summary

If you write XML inside escaped brackets, the terminal will invoke the HTML as extended command

Expected behavior

It should print the brackets and apply formatting inside

Steps to reproduce

1. Open repro

Browser and OS

N/A

Additional notes

The library probably unescapes the brackets on some point

[jcubic]

Another issue is calling:

term.echo($.terminal.escape_brackets($.terminal.apply_formatters(output)));
// Recursive loop in echo detected, skip