diff -r 45e887f23282 -r 7152ca0a0ce9 includes/clientside/static/template-compiler.js
--- a/includes/clientside/static/template-compiler.js	Mon Feb 16 16:04:54 2009 -0500
+++ b/includes/clientside/static/template-compiler.js	Mon Feb 16 16:17:25 2009 -0500
@@ -55,6 +55,8 @@
   code = "'" + code + "'";
   code = code.replace(/\{([A-z0-9_-]+)\}/ig, "' + this.tpl_strings['$1'] + '");
   code = code.replace(/\{lang:([a-z0-9_]+)\}/g, "' + $lang.get('$1') + '");
+  code = code.replace(/\<!-- IFSET ([A-z0-9_-]+) --\>([\s\S]*?)\<!-- BEGINELSE \1 --\>([\s\S]*?)\<!-- END \1 --\>/ig, "' + ( ( typeof(this.tpl_strings['$1']) == 'string' ) ? '$2' : '$3' ) + '");
+  code = code.replace(/\<!-- IFSET ([A-z0-9_-]+) --\>([\s\S]*?)\<!-- END \1 --\>/ig, "' + ( ( typeof(this.tpl_strings['$1']) == 'string' ) ? '$2' : '' ) + '");
   code = code.replace(/\<!-- BEGIN ([A-z0-9_-]+) --\>([\s\S]*?)\<!-- BEGINELSE \1 --\>([\s\S]*?)\<!-- END \1 --\>/ig, "' + ( ( this.tpl_bool['$1'] == true ) ? '$2' : '$3' ) + '");
   code = code.replace(/\<!-- BEGIN ([A-z0-9_-]+) --\>([\s\S]*?)\<!-- END \1 --\>/ig, "' + ( ( this.tpl_bool['$1'] == true ) ? '$2' : '' ) + '");
   return code;