Sorry, if you don't have a terminal you don't use gvim --help usually.
Anybody who did proof me wrong, please.
Thus it should be fine to print --help output before starting the gui
and everything should be fine.
My idea was to check for the --servername flag to find out whether a vim
executable supports client-srever feature (I don't know whether gvim can
be compiled without - I didn't even try)
Eg do this and be done: system(s:async.vim.' --help') !~ '--servername'
The slower alternative is:
let tmp = tempname()
let cmd = 'vim -u NONE -U NONE -N -c '. shellescape('call
writefile([has("clientserver")],'.string(tmp).')').' -c'.shellescape('qa!')
call system(cmd)
If we are at it: WHy is vim starting a ( .. ) subshell when running
bash? ( command ) ?
Marc Weber
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