diff options
| -rw-r--r-- | markdown/extensions/attr_list.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/markdown/extensions/attr_list.py b/markdown/extensions/attr_list.py index 2175691..fabc925 100644 --- a/markdown/extensions/attr_list.py +++ b/markdown/extensions/attr_list.py @@ -97,7 +97,7 @@ class AttrListTreeprocessor(Treeprocessor): if m: self.assign_attrs(elem, m.group(1)) elem[-1].tail = elem[-1].tail[:m.start()] - elif pos > 0 and elem[pos-1].tail: + elif pos is not None and pos > 0 and elem[pos-1].tail: # use tail of last child before ul or ol m = RE.search(elem[pos-1].tail) if m: |