diff --git a/_includes/header.liquid b/_includes/header.liquid
index dfd7d8f..4aa5d62 100644
--- a/_includes/header.liquid
+++ b/_includes/header.liquid
@@ -7,6 +7,7 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1" /><!-- typical mobile-optimized site -->
 	<meta http-equiv="Permissions-Policy" content="interest-cohort=()" /><!-- because of Chrome vs GitHub Pages -->
 	<meta name="google-site-verification" content="vCTcDhJZfixdl9M1bHZeg1214kmgM14IGKdNmk4jGkU" /><!-- set up Google Search Console -->
+	<meta name="msvalidate.01" content="B3C8A36A4C9EF4C4BEA476E0D0EA0812" /><!-- set up Microsoft Bing Webmaster -->
 	<meta name="theme-color" content="#BF8F00" /><!-- for PWA -->
 	<link rel="manifest" href="{{ site.baseurl }}/site.webmanifest" /><!-- for PWA -->
 	<link rel="icon" href="{{ site.baseurl }}/assets/images/favicon.ico" />
diff --git a/_includes/kinhJS.js b/_includes/kinhJS.js
index de52b93..402d7c4 100644
--- a/_includes/kinhJS.js
+++ b/_includes/kinhJS.js
@@ -149,5 +149,6 @@ function replaceHTML(txt) { // don’t use document.write() coz doesn’t trigge
 	var htmlDoc = parser.parseFromString(txt, "text/html");
 	document.head.innerHTML = htmlDoc.head.innerHTML;
 	document.body.innerHTML = htmlDoc.body.innerHTML;
+	window.scrollTo(0, 0); // reset scroll position
 	window.onload(); // trigger rendering
 }
diff --git a/assets/aide_de_camp.py b/assets/aide_de_camp.py
index 6674a83..04f96ba 100644
--- a/assets/aide_de_camp.py
+++ b/assets/aide_de_camp.py
@@ -1,6 +1,18 @@
 # -*- coding: utf-8 -*-
 
-"""stupid helper script"""
+"""
+stupid helper script
+how to use:
+
+from aide_de_camp import toSiddham, combo, verse_HanViet
+
+while True: print(toSiddham(input("text IAST: ")), "\n")
+while True: print(combo(input("text Hant: "), input("text Viet: "), printed=False), "\n")
+while True: print(toSiddham(input("text IAST: ")), end="\n\n"); print(combo(input("text IAST: "), input("text Viet: "), printed=False), end="\n\n")
+
+import pyperclip
+pyperclip.copy(toSiddham(input("text IAST: ")))
+"""
 
 import re, os, html, json, requests
 from unicodedata import normalize as uni_norm
@@ -30,6 +42,7 @@ def pali(textDeva: str, textLatn: str, esc: bool=True) -> str:
 # API conversion multiple scripts
 aksha_url = "https://aksharamukha-plugin.appspot.com/api/public"
 aksha_reqdict = {"source": "IAST", "target": "Siddham"} # "IAST", "IPA", "ISO", "Devanagari"
+
 def toSiddham_legacy(textIAST: str, ruby: bool=True, esc: bool=True) -> str:
 	"""convert romanized text to Siddham script"""
 	# some typo when copied from Digital Sanskrit Buddhist
@@ -55,8 +68,6 @@ def toSiddham(textIAST: str, ruby: bool=True, esc: bool=True) -> str:
 		else: res = textSidd
 	return res
 
-# while True: print(toSiddham(input("text IAST: ")), "\n")
-
 def stanzas(textIAST: str, esc: bool=True, printed: bool=True):
 	"""stanzas of Siddham"""
 	textSidd = toSiddham(textIAST, ruby=False)
@@ -120,8 +131,6 @@ def combo(textHan: str, textViet: str, esc: bool=True, printed: bool=True, debug
 	if printed: print(res)
 	else: return res
 
-# while True: print(combo(input("text Hant: "), input("text Viet: "), printed=False), "\n")
-
 def verse_HanViet(textHan: str, textViet: str, esc: bool=True, printed: bool=True, debug: bool=False) -> str:
 	"""combine text (multiple lines) into ruby annotation in HTML"""
 	text1, text2 = textHan.split("\n"), textViet.split("\n")
@@ -132,8 +141,6 @@ def verse_HanViet(textHan: str, textViet: str, esc: bool=True, printed: bool=Tru
 	if printed: print(res)
 	else: return res
 
-# while True: print(toSiddham(input("text IAST: ")), end="\n\n"); print(combo(input("text IAST: "), input("text Viet: "), printed=False), end="\n\n")
-
 # %% batch escape/unescape HTML & unicode entities
 
 test_txt = "<ruby><rb>&#21335;</rb><rt>Nam</rt></ruby><ruby><rb>&#28961;</rb><rt>mô</rt></ruby>"
@@ -154,13 +161,3 @@ def unesc_han_fn(matchobj: re.Match) -> str:
 	return f"<rb>{x}</rb><!-- {y} -->"
 han_ruby.sub(unesc_han_fn, test_txt) # example
 unesc_han_sub = lambda txt: han_ruby.sub(unesc_han_fn, txt)
-
-basepath = "pathtodir/DataFiles/"
-for filename in os.listdir(basepath):
-	print(filename)
-	if filename.endswith(".html"):
-		my_file = basepath + "/" + filename
-		with open(my_file, mode="r", encoding="utf-8") as file:
-			tmp = file.readlines()
-		with open(my_file, mode="w", encoding="utf-8") as file:
-			file.writelines(map(unesc_han_sub, tmp)) # doesn't need list object