Merge pull request #957 from brave/filter-out-headquote

strip out adblock rules containing `head\"`

scripts/generateAdBlockRustDataFiles.js

@@ -52,12 +52,18 @@ const enforceBraveDirectives = (title, data) => {
 }
 
 const removeIncompatibleRules = (listBuffer) => {
-  // Prior to adblock-rust 0.8.7, scriptlet arguments with trailing escaped commas can cause crashes.
   listBuffer.data = listBuffer.data.split('\n').filter(line => {
     line = line.trim()
+    // Prior to adblock-rust 0.8.7, scriptlet arguments with trailing escaped commas can cause crashes.
     if (line.indexOf('+js(') >= 0 && line.endsWith('\\,)')) {
       return false
     }
+    // The rules from this commit don't include valid CSS; at the time of writing,
+    // Brave throws an error from the generic filter injection script if any CSS is invalid.
+    // https://github.com/uBlockOrigin/uAssets/commit/6eaa9dd46371478d76371426cb99f75d99c7402d
+    if (line.startsWith('##') >= 0 && line.indexOf('head\\"') >= 0) {
+      return false
+    }
     return true
   }).join('\n')
   return listBuffer