[ingo] commas in Sieve_Test_Header

[Todd Merritt]

The check for ,'s in the value field in Sieve_Test_Header doesn't check
for escaped ,'s.  The following patch fixes that, although I haven't
actually tested it as is.

Todd

--- sieve.php.orig      2003-06-19 13:57:46.000000000 -0700
+++ sieve.php   2003-06-24 13:54:05.000000000 -0700
@@ -1154,7 +1154,7 @@
             return false;
         }
 
-        $strings = preg_split('(\r\n|\n|\r|,)',
$this->_vars['strings']);
+        $strings = preg_split("/((?<!\\\)\,|\r\n|\n|\r)/",
$this->_vars['strings']);
         if (count($strings) < 1) {
             return false;
         }
@@ -1186,7 +1186,7 @@
             return _("No Headers Specified");
         }
 
-        $strings = preg_split('(\r\n|\n|\r|,)',
$this->_vars['strings']);
+        $strings = preg_split("/((?<!\\\)\,\s*|\r\n|\n|\r)/",
$this->_vars['strings']);
         if (count($strings) > 1) {
             $code .= "[";
             $stringlist = '';