diff options
Diffstat (limited to 'sphinx/websupport/storage/differ.py')
| -rw-r--r-- | sphinx/websupport/storage/differ.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sphinx/websupport/storage/differ.py b/sphinx/websupport/storage/differ.py index 4e5660c59..c82ba7427 100644 --- a/sphinx/websupport/storage/differ.py +++ b/sphinx/websupport/storage/differ.py @@ -39,7 +39,7 @@ class CombinedHtmlDiff(object): elif prefix == '?': return '' - if next[0] == '?': + if next is not None and next[0] == '?': tag = 'ins' if prefix == '+' else 'del' text = self._highlight_text(text, next, tag) css_class = 'prop_added' if prefix == '+' else 'prop_removed' |