alias: allow reference through 's#'
We keep the 't#' option, but we hope to be able to deprecate it at some point.
We move to 's#' because it refers to `stack` a more generic concept. than topic.
In addition, this allows to phase out 'b#' that collide with normal hex-node.
#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