extra fix for calc whitespace perservation

cfr. 'seems like it fixes "- (" but not ") -"' in tubalmartin/YUI-CSS-compressor-PHP-port#22 (comment)
futtta · Oct 4, 2016 · 685d76b · 685d76b
1 parent a18ea9a
commit 685d76b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/classes/external/php/yui-php-cssmin-2.4.8-4_fgo.php b/classes/external/php/yui-php-cssmin-2.4.8-4_fgo.php
@@ -592,7 +592,7 @@ private function replace_colon($matches)
 
     private function replace_calc($matches)
     {
-        $this->preserved_tokens[] = preg_replace('/([\+\-]{1})\(/','$1 (',trim(preg_replace('/\s*([\*\/\(\),])\s*/', '$1', $matches[2])));
+        $this->preserved_tokens[] = preg_replace('/\)([\+\-]{1})/',') $1',preg_replace('/([\+\-]{1})\(/','$1 (',trim(preg_replace('/\s*([\*\/\(\),])\s*/', '$1', $matches[2]))));
         return 'calc('. self::TOKEN . (count($this->preserved_tokens) - 1) . '___' . ')';
     }