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diff --git a/com/jeremyfa/yaml/YamlEscaper.js b/com/jeremyfa/yaml/YamlEscaper.js
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+/**
+ * YamlEscaper encapsulates escaping rules for single and double-quoted
+ * YAML strings.
+ *
+ * @author Matthew Lewinski <matthew@lewinski.org>
+ */
+YamlEscaper = function(){};
+YamlEscaper.prototype =
+{
+	/**
+	 * Determines if a JS value would require double quoting in YAML.
+	 *
+	 * @param string value A JS value
+	 *
+	 * @return Boolean True if the value would require double quotes.
+	 */
+	requiresDoubleQuoting: function(value)
+	{
+		return new RegExp(YamlEscaper.REGEX_CHARACTER_TO_ESCAPE).test(value);
+	},
+
+	/**
+	 * Escapes and surrounds a JS value with double quotes.
+	 *
+	 * @param string value A JS value
+	 *
+	 * @return string The quoted, escaped string
+	 */
+	escapeWithDoubleQuotes: function(value)
+	{
+		value = value + '';
+		var len = YamlEscaper.escapees.length;
+		var maxlen = YamlEscaper.escaped.length;
+		var esc = YamlEscaper.escaped;
+		for (var i = 0; i < len; ++i)
+			if ( i >= maxlen ) esc.push('');
+
+		var ret = '';		
+		ret = value.replace(new RegExp(YamlEscaper.escapees.join('|'),'g'), function(str){
+			for(var i = 0; i < len; ++i){
+				if( str == YamlEscaper.escapees[i] )
+					return esc[i];
+			}
+		});
+		return '"' + ret + '"'; 
+	},
+
+	/**
+	 * Determines if a JS value would require single quoting in YAML.
+	 *
+	 * @param string value A JS value
+	 *
+	 * @return Boolean True if the value would require single quotes.
+	 */
+	requiresSingleQuoting: function(value)
+	{
+		return /[\s'":{}[\],&*#?]|^[-?|<>=!%@`]/.test(value);
+	},
+
+	/**
+	 * Escapes and surrounds a JS value with single quotes.
+	 *
+	 * @param string value A JS value
+	 *
+	 * @return string The quoted, escaped string
+	 */
+	escapeWithSingleQuotes : function(value)
+	{
+		return "'" + value.replace(/'/g, "''") + "'";
+	}
+};
+
+// Characters that would cause a dumped string to require double quoting.
+YamlEscaper.REGEX_CHARACTER_TO_ESCAPE = "[\\x00-\\x1f]|\xc2\x85|\xc2\xa0|\xe2\x80\xa8|\xe2\x80\xa9";
+
+// Mapping arrays for escaping a double quoted string. The backslash is
+// first to ensure proper escaping. 
+YamlEscaper.escapees = ['\\\\', '\\"', '"',
+									 "\x00",  "\x01",  "\x02",  "\x03",  "\x04",  "\x05",  "\x06",  "\x07",
+									 "\x08",  "\x09",  "\x0a",  "\x0b",  "\x0c",  "\x0d",  "\x0e",  "\x0f",
+									 "\x10",  "\x11",  "\x12",  "\x13",  "\x14",  "\x15",  "\x16",  "\x17",
+									 "\x18",  "\x19",  "\x1a",  "\x1b",  "\x1c",  "\x1d",  "\x1e",  "\x1f",
+									 "\xc2\x85", "\xc2\xa0", "\xe2\x80\xa8", "\xe2\x80\xa9"];
+YamlEscaper.escaped = ['\\"', '\\\\', '\\"',
+									 "\\0",   "\\x01", "\\x02", "\\x03", "\\x04", "\\x05", "\\x06", "\\a",
+									 "\\b",   "\\t",   "\\n",   "\\v",   "\\f",   "\\r",   "\\x0e", "\\x0f",
+									 "\\x10", "\\x11", "\\x12", "\\x13", "\\x14", "\\x15", "\\x16", "\\x17",
+									 "\\x18", "\\x19", "\\x1a", "\\e",   "\\x1c", "\\x1d", "\\x1e", "\\x1f",
+									 "\\N", "\\_", "\\L", "\\P"];