Fixed strange characters in plain text mode (Firefox) (Closes #462)

dev/Common/HtmlEditor.js

@@ -101,7 +101,7 @@
 	 */
 	HtmlEditor.prototype.clearSignatureSigns = function (sText)
 	{
-		return sText.replace(/(\u0002|\u0003|\u0004|\u0005)/g, '');
+		return sText.replace(/(\u0002|\u0003|\u200C|\u200D)/g, '');
 	};
 
 	/**

dev/Common/Selector.js

@@ -351,7 +351,6 @@
 			key('up, shift+up, down, shift+down, home, end, pageup, pagedown, insert, space', sKeyScope, function (event, handler) {
 				if (event && handler && handler.shortcut)
 				{
-					// TODO
 					var iKey = 0;
 					switch (handler.shortcut)
 					{

dev/Common/Utils.js

@@ -1009,6 +1009,10 @@
 		;
 
 		sText = sHtml
+			// specials for signature
+			.replace(/\u0002\u0002/g, '\u200C\u200C')
+			.replace(/\u0003\u0003/g, '\u200D\u200D')
+
 			.replace(/<pre[^>]*>([\s\S\r\n]*)<\/pre>/gmi, convertPre)
 			.replace(/[\s]+/gm, ' ')
 			.replace(/((?:href|data)\s?=\s?)("[^"]+?"|'[^']+?')/gmi, fixAttibuteValue)
@@ -1154,6 +1158,11 @@
 		sPlain = aText.join("\n");
 
 		sPlain = sPlain
+
+			// specials for signature
+			.replace(/\u200C\u200C/g, '\u0002\u0002')
+			.replace(/\u200D\u200D/g, '\u0003\u0003')
+
 //			.replace(/~~~\/blockquote~~~\n~~~blockquote~~~/g, '\n')
 			.replace(/&/g, '&amp;')
 			.replace(/>/g, '&gt;').replace(/</g, '&lt;')
@@ -1693,6 +1702,20 @@
 		}
 	};
 
+	Utils.substr = window.String.substr;
+	if ('ab'.substr(-1) !== 'b')
+	{
+		Utils.substr = function(sStr, iStart, iLength)
+		{
+			if (iStart < 0)
+			{
+				iStart = sStr.length + iStart;
+			}
+
+			return sStr.substr(iStart, iLength);
+		};
+	}
+
 	module.exports = Utils;
 
 }());