From 54bc773d0982f50e76e9b3d567a573a419f4071b Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Sun, 9 Oct 2016 19:12:00 +0300
Subject: [PATCH] Fix css parsing error

---
 SyncerWeb.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/SyncerWeb.js b/SyncerWeb.js
index 0323149..b071813 100644
--- a/SyncerWeb.js
+++ b/SyncerWeb.js
@@ -259,6 +259,10 @@ SyncerWeb.prototype.post_sync = function*(req, res)
 function rewriteCss(ast)
 {
     var rules = ast.rules || ast.stylesheet && ast.stylesheet.rules;
+    if (ast.stylesheet && ast.stylesheet.parsingErrors)
+    {
+        delete ast.stylesheet.parsingErrors;
+    }
     if (rules)
     {
         for (var i = 0; i < rules.length; i++)
@@ -268,6 +272,8 @@ function rewriteCss(ast)
                 // prune @document instructions (may spy on current URL)
                 rules.splice(i--, 1);
             }
+            else if (rules[i].type == 'rule' && (!rules[i].selectors || !rules[i].declarations))
+                rules.splice(i--, 1);
             else
                 rewriteCss(rules[i]);
         }