Fixes #595 - more relaxed flat block matching.

Apparently there are IE hacks that allow mixing flat block
declarations with pseudoselectors:

```css
/* IE 10 special css */
_:-ms-lang(x), @-ms-viewport {
  width: auto\9 !important;
}
```

diff --git a/History.md b/History.md
index 0b9ef14..77f5452 100644 (file)
--- a/History.md
+++ b/History.md
@@ -1,6 +1,7 @@
 [3.3.2 / 2015-xx-xx](https://github.com/jakubpawlowicz/clean-css/compare/v3.3.1...3.3)
 ==================
 
+* Fixed issue [#595](https://github.com/jakubpawlowicz/clean-css/issues/595) - more relaxed block matching.
 * Fixed issue [#601](https://github.com/jakubpawlowicz/clean-css/issues/601) - percentage minifying inside `flex`.
 
 [3.3.1 / 2015-06-02](https://github.com/jakubpawlowicz/clean-css/compare/v3.3.0...v3.3.1)

diff --git a/lib/tokenizer/tokenize.js b/lib/tokenizer/tokenize.js
index b779a9c..6fd5f47 100644 (file)
--- a/lib/tokenizer/tokenize.js
+++ b/lib/tokenizer/tokenize.js
@@ -5,7 +5,7 @@ var track = require('../source-maps/track');
 
 var path = require('path');
 
-var flatBlock = /(^@(font\-face|page|\-ms\-viewport|\-o\-viewport|viewport|counter\-style)|\\@.+?)/;
+var flatBlock = /(@(font\-face|page|\-ms\-viewport|\-o\-viewport|viewport|counter\-style)|\\@.+?)/;
 
 function tokenize(data, outerContext) {
   var chunker = new Chunker(normalize(data), '}', 128);

diff --git a/test/tokenizer/tokenizer-test.js b/test/tokenizer/tokenizer-test.js
index d0721fa..7b40186 100644 (file)
--- a/test/tokenizer/tokenizer-test.js
+++ b/test/tokenizer/tokenizer-test.js
@@ -256,6 +256,16 @@ vows.describe(tokenize)
             [[['color'], ['red!important']]]
           ]
         ]
+      ],
+      '_:-ms-lang flat block': [
+        '_:-ms-lang(x),@-ms-viewport{color:red}',
+        [
+          [
+            'flat-block',
+            ['_:-ms-lang(x),@-ms-viewport'],
+            [[['color'], ['red']]]
+          ]
+        ]
       ]
     })
   )