Emacs: separate limitations of revision range and shown changesets.
For revision range limitation,
use "-r" opt with range notation at "hg log" invocation, and
use hg-rev-completion-limit as default value.
For shown changesets limitation,
use "-l" opt at "hg log" invocation, and
use hg-log-limit as default value.
#!/bin/sh
#
mkdir t
cd t
hg init
echo 0 > a
echo 0 > b
hg ci -A -m m -d "1000000 0"
touch nottracked
hg locate a
hg locate NONEXISTENT
hg locate
hg rm a
hg ci -m m -d "1000000 0"
hg locate a
hg locate NONEXISTENT
hg locate
hg locate -r 0 a
hg locate -r 0 NONEXISTENT
hg locate -r 0