Bug 210222 - Make getURL smarter and not drop the leading # if the next character is "unsafe".

r=rginda@hacksrus.com

extensions/irc/js/lib/irc.js

@@ -1965,7 +1965,7 @@ CIRCChannel.prototype.getURL =
 function chan_geturl ()
 {
     var target;
-    if (this.normalizedName[0] == "#")
+    if (this.normalizedName.match(/^#[^!+&]/))
         target = ecmaEscape(this.normalizedName.substr(1));
     else
         target = ecmaEscape(this.normalizedName);