add trim, and polish test_quotes of css_compress, again

An edge case that space at the beginning won't get removed.

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/exe/css.php b/lib/exe/css.php
index 10ece7ea2..2da838ae5 100644
--- a/lib/exe/css.php
+++ b/lib/exe/css.php
@@ -616,6 +616,7 @@ function css_compress($css){
     };
 
     $css = preg_replace_callback('/"STR(\d+)"/', $quote_back_cb, $css);
+    $css = trim($css);
 
     return $css;
 }