Add a pointer to "hg -v help" to the bottom of hg help {,cmd} output This should make it easier to discover global options. As a bonus, they are no longer displayed by something like a hg -v help dates

#!/bin/sh

echo 'syntax error' > badext.py
abspath=`pwd`/badext.py

echo '[extensions]' >> $HGRCPATH
echo "badext = $abspath" >> $HGRCPATH

hg -q help help