Don't allow list items that are indented >= 4 spaces.

See commonmark/commonmark-spec#497 and commonmark/commonmark.js@691fc67
thephpleague · Sep 18, 2018 · af10470 · af10470
1 parent 8bee4a8
commit af10470
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Block/Parser/ListParser.php b/src/Block/Parser/ListParser.php
@@ -36,12 +36,17 @@ public function parse(ContextInterface $context, Cursor $cursor)
             return false;
         }
 
+        $indent = $cursor->getIndent();
+        if ($indent >= 4) {
+            return false;
+        }
+
         $tmpCursor = clone $cursor;
         $tmpCursor->advanceToNextNonSpaceOrTab();
         $rest = $tmpCursor->getRemainder();
 
         $data = new ListData();
-        $data->markerOffset = $cursor->getIndent();
+        $data->markerOffset = $indent;
 
         if (preg_match('/^[*+-]/', $rest) === 1) {
             $data->type = ListBlock::TYPE_UNORDERED;