Re: compatibility with Sun's original vi for command :su
- On 22:54 Tue 25 Jun , Bram Moolenaar wrote:
> Christian Brabandt wrote:
> > On Mon, June 24, 2013 23:54, Paul Maier wrote:
> > > Hi,
> > >
> > > the original vi on Sun took :su as :suspend,
> > > whereas vim takes :su as :substitute.
> > >
> > > I am very used to typing :su.
> > >
> > > Would it be possible for VIM 7.4 to add a new compatibility flag to
> > > cpoptions
> > > about the meaning of :su ?
> > >
> > > suggested compatible flag: :su = :suspend, :s = :substitute
> > > without the flag: :su = :substitute
> > >
> > Looks like a bug to me. POSIX also requires :su to be used for
> > :suspend (http://pubs.opengroup.org/onlinepubs/007908799/xcu/ex.html)
> > Do we need a new cpo setting here, or should it be enough to
> > patch vim to take :su as :suspend?
> The POSIX spec has a bug: it says that :s means :substitute, which means
> anything starting with :s means :substitute, including :su. But then
> :suspend can be abbreviated to :su, that's a conflict.
> Relevant quotes:
> For each of the commands listed below, the command can be
> entered as the abbreviation (those characters in the Synopsis
> command word preceding the [), the full command (all characters
> shown for the command word, omitting the [ and ]), or any subset
> of the characters of the full command down to the abbreviation.
> For example, the args command (shown as ar[gs] in the Synopsis)
> can be entered as ar, arg or args.
> Synopsis: [range] s[ubstitute] [/pattern/repl/[options] [count] [flags]]
> Synopsis: su[spend][!]
> Making an exception for :su to mean :suspend instead of :substitute
> would be weird.
You can use my command alias plugin and type :su and get :suspend:
(it is also on github: https://github.com/coot/cmdalias_vim)
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