diff options
Diffstat (limited to 'markdown/extensions/toc.py')
| -rw-r--r-- | markdown/extensions/toc.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/markdown/extensions/toc.py b/markdown/extensions/toc.py index 7edc0cc..1d6639e 100644 --- a/markdown/extensions/toc.py +++ b/markdown/extensions/toc.py @@ -127,7 +127,7 @@ class TocTreeprocessor(markdown.treeprocessors.Treeprocessor): self.use_anchors = self.config["anchorlink"] in [1, '1', True, 'True', 'true'] # Get a list of id attributes - used_ids = [] + used_ids = set() for c in doc.getiterator(): if "id" in c.attrib: used_ids.append(c.attrib["id"]) |