discovery: put trivial branch first
Having the simple and tiny branch of the conditional first help readability. The
"else" that appears after a screen of code is harder to relate to a conditional.
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init
$ echo 'base' > base
$ hg ci -Ambase
adding base
$ hg qnew -mmqbase mqbase
$ hg qsave
$ hg qrestore 2
restoring status: hg patches saved state