pick: `hg help` was not showing the full cmd desc of `pick`
after running command `hg help` it was not including the second line
of command description. I guess it picks the firstline only. So I moved
that part in first line of cmd description.
#require test-repo pyflakes
Copied from Mercurial core (60ee2593a270)
$ cd "`dirname "$TESTDIR"`"
run pyflakes on all tracked files ending in .py or without a file ending
(skipping binary file random-seed)
$ hg locate 'set:(**.py or grep("^#!.*python")) - removed()' 2>/dev/null \
> | xargs pyflakes 2>/dev/null