--- a/mercurial/extensions.py Thu Mar 24 22:04:38 2022 -0700
+++ b/mercurial/extensions.py Thu Mar 24 22:05:13 2022 -0700
@@ -831,7 +831,7 @@
for name, path in paths.items():
doc = _disabledhelp(path)
if doc and name != b'__index__':
- exts[name] = doc.splitlines()[0]
+ exts[name] = stringutil.firstline(doc)
return exts
@@ -935,7 +935,7 @@
assert doc is not None # help pytype
if shortname:
ename = ename.split(b'.')[-1]
- exts[ename] = doc.splitlines()[0].strip()
+ exts[ename] = stringutil.firstline(doc).strip()
return exts