hgcommand.vim: requirements & doc self-install more consistent; cosmetics
Check for availability of builtin system().
Set 'compatible' while sourcing script.
File operation during doc self-install:
Escape spaces in ex-commands.
Use quotes in system calls.
Incremented revision number(s).
Size of patch is due to cosmetic cleanups:
Removal of spaces at line endings.
<SID>Prefix to functions when called.
#!/bin/sh
#
mkdir t
cd t
hg init
echo 0 > a
echo 0 > b
hg ci -A -m m -d "1000000 0"
hg rm a
hg cat a
sleep 1 # make sure mtime is changed
echo 1 > b
hg ci -m m -d "1000000 0"
echo 2 > b
hg cat -r 0 a
hg cat -r 0 b
hg cat -r 1 a
hg cat -r 1 b