Fix parsing of selectors with comments between elements.

This brings over cloudhead/less.js@3331637913 and fixes #179

lib/carto/parser.js

@@ -690,7 +690,9 @@ carto.Parser = function Parser(env) {
 
                 while (s = $(this.selector)) {
                     selectors.push(s);
+                    $(this.comment);
                     if (! $(',')) { break; }
+                    $(this.comment);
                 }
                 if (s) $(this.comment);
 

test/rendering/weird_comments_2.mml

@@ -0,0 +1,14 @@
+{
+    "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
+    "Stylesheet": [
+        "weird_comments_2.mss"
+    ],
+    "Layer": [{
+        "name": "world",
+        "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
+        "Datasource": {
+            "file": "http://tilemill-data.s3.amazonaws.com/test_data/shape_demo.zip",
+            "type": "shape"
+        }
+    }]
+}

test/rendering/weird_comments_2.mss

@@ -0,0 +1,7 @@
+#world {
+  [ne_10m_adm = 'GBR'], /* United Kingdom */
+  [ne_10m_adm = 'FRA'] /* France */
+  {
+    polygon-fill: #fff;
+  }
+}

test/rendering/weird_comments_2.result

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!DOCTYPE Map[]>
+<Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" maximum-extent="-20037508.34,-20037508.34,20037508.34,20037508.34">
+
+
+<Style name="world" filter-mode="first" >
+  <Rule>
+    <Filter>([ne_10m_adm] = 'GBR')</Filter>
+    <PolygonSymbolizer fill="#ffffff" />
+  </Rule>
+  <Rule>
+    <Filter>([ne_10m_adm] = 'FRA')</Filter>
+    <PolygonSymbolizer fill="#ffffff" />
+  </Rule>
+</Style>
+<Layer name="world"
+  srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over">
+    <StyleName>world</StyleName>
+    <Datasource>
+       <Parameter name="file"><![CDATA[[absolute path]]]></Parameter>
+       <Parameter name="type"><![CDATA[shape]]></Parameter>
+    </Datasource>
+  </Layer>
+
+</Map>