Index: includes/common.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/common.inc,v
retrieving revision 1.1114
diff -u -p -r1.1114 common.inc
--- includes/common.inc	20 Feb 2010 14:39:51 -0000	1.1114
+++ includes/common.inc	21 Feb 2010 02:03:11 -0000
@@ -2951,26 +2951,61 @@ function drupal_load_stylesheet($file, $
 function drupal_load_stylesheet_content($contents, $optimize = FALSE) {
   // Remove multiple charset declarations for standards compliance (and fixing Safari problems).
   $contents = preg_replace('/^@charset\s+[\'"](\S*)\b[\'"];/i', '', $contents);
-
   if ($optimize) {
     // Perform some safe CSS optimizations.
-    $contents = preg_replace('{
-      (?<=\\\\\*/)([^/\*]+/\*)([^\*/]+\*/)  # Add a backslash also at the end ie-mac hack comment, so the next pass will not touch it.
-                                            # The added backslash does not affect the effectiveness of the hack.
-      }x', '\1\\\\\2', $contents);
-    $contents = preg_replace('<
-      \s*([@{}:;,]|\)\s|\s\()\s* |          # Remove whitespace around separators, but keep space around parentheses.
-      /\*[^*\\\\]*\*+([^/*][^*]*\*+)*/ |    # Remove comments that are not CSS hacks.
-      >x', '\1', $contents);
+    $comment     = '/\*[^*]*\*+(?:[^/*][^*]*\*+)*/'; // Regexp to match comment blocks.
+    $double_quot = '"[^"\\\\]*(?:\\\\.[^"\\\\]*)*"'; // Regexp to match double quoted strings.
+    $single_quot = "'[^'\\\\]*(?:\\\\.[^'\\\\]*)*'"; // Regexp to match single quoted strings.
+    $contents = preg_replace_callback(
+      "<$double_quot|$single_quot|$comment>Sus",     // Match all comment blocks along with double/single quoted strings and feed them to _process_comment().
+      "_process_comment",
+      $contents);
+    $contents = preg_replace(
+      '<\s*([@{}:;,]|\)\s|\s\()\s*>S',               // Remove whitespace around separators, but keep space around parentheses.
+      '\1', $contents);
   }
-
   // Replaces @import commands with the actual stylesheet content.
   // This happens recursively but omits external files.
-  $contents = preg_replace_callback('/@import\s*(?:url\()?[\'"]?(?![a-z]+:)([^\'"\()]+)[\'"]?\)?;/', '_drupal_load_stylesheet', $contents);
+  $contents = preg_replace_callback('/@import\s*(?:url\()?[\'"]?(?![a-z]+:)([^\'"\()]+)[\'"]?\)?;/S', '_drupal_load_stylesheet', $contents);
   return $contents;
 }
 
 /**
+ * Implements comment strip logic.
+ *
+ * This is the callback function for the preg_replace_callback() used in
+ * drupal_load_stylesheet_content(). Support for comment hacks is implemented here.
+ */
+function _process_comment($matches) {
+  static $keep_nextone = FALSE;
+  // Quoted string, keep it.
+  $start_char = substr($matches[0], 0, 1);
+  if ($start_char == "'" || $start_char == '"') {
+    return $matches[0];
+  }
+  // End of IE-Mac hack, keep it.
+  if ($keep_nextone) {
+    $keep_nextone = FALSE;
+    return $matches[0];
+  }
+  else {
+    switch (strrpos($matches[0], '\\')) {
+      // No backslash, strip it.
+      case FALSE :
+        return '';
+        break;
+      // Ends with \*/ so is a multi line IE-Mac hack, keep this and the next one.
+      case drupal_strlen($matches[0])-3 :
+        $keep_nextone = TRUE;
+        // Fall through to default case.
+      // Single line IE-Mac hack, keep this.
+      default :
+        return $matches[0];
+    }
+  }
+}
+
+/**
  * Loads stylesheets recursively and returns contents with corrected paths.
  *
  * This function is used for recursive loading of stylesheets and
Index: modules/simpletest/files/css_test_files/comment_hacks.css
===================================================================
RCS file: modules/simpletest/files/css_test_files/comment_hacks.css
diff -N modules/simpletest/files/css_test_files/comment_hacks.css
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ modules/simpletest/files/css_test_files/comment_hacks.css	21 Feb 2010 02:03:12 -0000
@@ -0,0 +1,83 @@
+/*
+* A sample css file, designed to test the effectiveness and stability 
+* of function drupal_load_stylesheet_content( ).
+*
+*/
+/*
+A large comment block to test for segfaults and speed. This is 60K a's. Extreme but usefull to demonstrate flaws in comment striping regexp. aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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/
+
+.test1 { display:normal;}
+
+/* A multiline IE-mac hack (v.2) taken fron Zen theme*/
+/* Hides from IE-mac \*/
+ html .clear-block {
+  height: 1%;
+}
+.clear-block {
+  display: block;
+  font-size: 1em/1.4em;
+}
+
+/* End hide from IE-mac */
+.test2 { display:normal;}
+
+/* v1 of the commented backslash hack. This \ character between rules appears to have the effect 
+that macIE5 ignores the following rule. Odd, but extremely useful. */
+.bkslshv1 { background-color: #C00; }
+.test3 { display:normal;}
+
+/**************** A multiline, multistar comment ***************
+****************************************************************/
+.test4 { display:normal;}
+
+/**************************************/
+.comment-in-double-quotes:before {
+    content: "/* ";
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-double-quotes:after {
+    content: " */";
+}
+/**************************************/
+.comment-in-single-quotes:before {
+    content: '/*';
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-single-quotes:after {
+    content: '*/';
+}
+/**************************************/
+.comment-in-mixed-quotes:before {
+    content: '"/*"';
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-mixed-quotes:after {
+    content: "'*/'";
+}
+/**************************************/
+.comment-in-quotes-with-escaped:before {
+    content: '/* \" \' */';
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-quotes-with-escaped:after {
+    content: "*/ \" \ '";
+}
+/************************************/
+/* 
+"This has to go"
+'This has to go'
+*/
+
+
Index: modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css
===================================================================
RCS file: modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css
diff -N modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ modules/simpletest/files/css_test_files/comment_hacks.css.optimized.css	21 Feb 2010 02:03:12 -0000
@@ -0,0 +1,8 @@
+
+
+
+.test1{display:normal;}/* Hides from IE-mac \*/
+ html .clear-block{height:1%;}.clear-block{display:block;font-size:1em/1.4em;}/* End hide from IE-mac */
+.test2{display:normal;}/* v1 of the commented backslash hack. This \ character between rules appears to have the effect 
+that macIE5 ignores the following rule. Odd,but extremely useful. */
+.bkslshv1{background-color:#C00;}.test3{display:normal;}.test4{display:normal;}.comment-in-double-quotes:before{content:"/* ";}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-double-quotes:after{content:" */";}.comment-in-single-quotes:before{content:'/*';}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-single-quotes:after{content:'*/';}.comment-in-mixed-quotes:before{content:'"/*"';}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-mixed-quotes:after{content:"'*/'";}.comment-in-quotes-with-escaped:before{content:'/* \" \' */';}.this_rule_must_stay{color:#F00;background-color:#FFF;}.comment-in-quotes-with-escaped:after{content:"*/ \" \ '";}
\ No newline at end of file
Index: modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css
===================================================================
RCS file: modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css
diff -N modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ modules/simpletest/files/css_test_files/comment_hacks.css.unoptimized.css	21 Feb 2010 02:03:12 -0000
@@ -0,0 +1,83 @@
+/*
+* A sample css file, designed to test the effectiveness and stability 
+* of function drupal_load_stylesheet_content( ).
+*
+*/
+/*
+A large comment block to test for segfaults and speed. This is 60K a's. Extreme but usefull to demonstrate flaws in comment striping regexp. aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa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/
+
+.test1 { display:normal;}
+
+/* A multiline IE-mac hack (v.2) taken fron Zen theme*/
+/* Hides from IE-mac \*/
+ html .clear-block {
+  height: 1%;
+}
+.clear-block {
+  display: block;
+  font-size: 1em/1.4em;
+}
+
+/* End hide from IE-mac */
+.test2 { display:normal;}
+
+/* v1 of the commented backslash hack. This \ character between rules appears to have the effect 
+that macIE5 ignores the following rule. Odd, but extremely useful. */
+.bkslshv1 { background-color: #C00; }
+.test3 { display:normal;}
+
+/**************** A multiline, multistar comment ***************
+****************************************************************/
+.test4 { display:normal;}
+
+/**************************************/
+.comment-in-double-quotes:before {
+    content: "/* ";
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-double-quotes:after {
+    content: " */";
+}
+/**************************************/
+.comment-in-single-quotes:before {
+    content: '/*';
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-single-quotes:after {
+    content: '*/';
+}
+/**************************************/
+.comment-in-mixed-quotes:before {
+    content: '"/*"';
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-mixed-quotes:after {
+    content: "'*/'";
+}
+/**************************************/
+.comment-in-quotes-with-escaped:before {
+    content: '/* \" \' */';
+}
+.this_rule_must_stay {
+    color: #F00;
+    background-color: #FFF;
+}
+.comment-in-quotes-with-escaped:after {
+    content: "*/ \" \ '";
+}
+/************************************/
+/* 
+"This has to go"
+'This has to go'
+*/
+
+
Index: modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css,v
retrieving revision 1.2
diff -u -p -r1.2 css_input_without_import.css.optimized.css
--- modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css	10 Nov 2009 17:27:53 -0000	1.2
+++ modules/simpletest/files/css_test_files/css_input_without_import.css.optimized.css	21 Feb 2010 02:03:12 -0000
@@ -3,9 +3,7 @@
 
 
 
-body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}
-
-.this
+body{margin:0;padding:0;background:#edf5fa;font:76%/170% Verdana,sans-serif;color:#494949;}.this .is .a .test{font:1em/100% Verdana,sans-serif;color:#494949;}.this
 .is
 .a
 .test{font:1em/100% Verdana,sans-serif;color:#494949;}textarea,select{font:1em/160% Verdana,sans-serif;color:#494949;}
\ No newline at end of file
Index: modules/simpletest/tests/common.test
===================================================================
RCS file: /cvs/drupal/drupal/modules/simpletest/tests/common.test,v
retrieving revision 1.102
diff -u -p -r1.102 common.test
--- modules/simpletest/tests/common.test	11 Feb 2010 17:44:47 -0000	1.102
+++ modules/simpletest/tests/common.test	21 Feb 2010 02:03:13 -0000
@@ -768,7 +768,8 @@ class CascadingStylesheetsUnitTest exten
     // - Optimized expected content: name.css.optimized.css
     $testfiles = array(
       'css_input_without_import.css',
-      'css_input_with_import.css'
+      'css_input_with_import.css',
+      'comment_hacks.css'
     );
     $path = drupal_get_path('module', 'simpletest') . '/files/css_test_files';
     foreach ($testfiles as $file) {