diff options
Diffstat (limited to 'Lib/textwrap.py')
| -rw-r--r-- | Lib/textwrap.py | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Lib/textwrap.py b/Lib/textwrap.py index 58867f93bb..1759b0d7cf 100644 --- a/Lib/textwrap.py +++ b/Lib/textwrap.py @@ -429,11 +429,15 @@ def dedent(text): elif margin.startswith(indent): margin = indent - # Current line and previous winner have no common whitespace: - # there is no margin. + # Find the largest common whitespace between current line and previous + # winner. else: - margin = "" - break + for i, (x, y) in enumerate(zip(margin, indent)): + if x != y: + margin = margin[:i] + break + else: + margin = margin[:len(indent)] # sanity check (testing/debugging only) if 0 and margin: |