--- a/tests/test-help.t Fri Sep 25 12:38:20 2015 +0800
+++ b/tests/test-help.t Fri Sep 25 11:16:20 2015 -0400
@@ -616,6 +616,23 @@
[255]
+Make sure that we don't run afoul of the help system thinking that
+this is a section and erroring out weirdly.
+
+ $ hg .log
+ hg: unknown command '.log'
+ (did you mean one of log?)
+ [255]
+
+ $ hg log.
+ hg: unknown command 'log.'
+ (did you mean one of log?)
+ [255]
+ $ hg pu.lh
+ hg: unknown command 'pu.lh'
+ (did you mean one of pull, push?)
+ [255]
+
$ cat > helpext.py <<EOF
> import os
> from mercurial import cmdutil, commands