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Date:	Fri, 10 Apr 2015 13:35:20 -0700
From:	Gary Johnson <garyjohn AT spocom DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: 1.7.35: possible backspace key and arrow keys bug
Message-ID:	<20150410203520.GB13043@phoenix>
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On 2015-04-10, René Berber wrote:
> On 4/10/2015 2:21 PM, Gary Johnson wrote:
> > On 2015-04-09, René Berber wrote:
> 
> >> Why vim on Cygwin doesn't install, or use if you add one, /etc/vimrc?
> > 
> > Executing
> >     $ vim --version
> > shows
> >        system vimrc file: "$VIM/vimrc"
> >          user vimrc file: "$HOME/.vimrc"
> >      2nd user vimrc file: "~/.vim/vimrc"
> >           user exrc file: "$HOME/.exrc"
> >       fall-back for $VIM: "/etc"
> >      f-b for $VIMRUNTIME: "/usr/share/vim/vim74"
> > From within vim,
> >     :echo $VIM
> > shows
> >     /usr/share/vim
> ...
> > So, Cygwin's vim looks for the system vimrc at /usr/share/vim/vimrc,
> > not /etc/vimrc.
> ...
> > Personally, I really like that Cygwin does not include a system
> > vimrc in its vim package.
> 
> Two points:
> 
> 1. Users expect things to work out-of-the-box.  As shown by this thread
> vim is not.

It does work out of the box.  It just may not be configured as you'd
like.  But your point is well taken.  If vim is pre-configured on
Red Hat or Ubuntu systems, then for most users it should probably be
pre-configured on Cygwin.  I can work around it.

> 2. If there is a standard, it should be used.  Moving from Linux to
> Cygwin should be transparent, but in the former there is an /etc/vimrc,
> in the later there isn't, and even more confusing: if you add one it
> doesn't work (for the reason you showed).

The Red Hat standard is /etc/vimrc.  The Ubuntu standard is
/usr/share/vim/vimrc.

> > I don't understand what you mean that the 5th line doesn't work and
> > has to be commented.
> 
> It means that if you leave it, vim will complain when you start it:
> 
> "Error detected while processing /etc/virc:
> line    5:
> E319: Sorry, the command is not available in this version: syntax on"

In most distributions, vi is vim-small or vim-tiny.  In Fedora and
Cygwin, vi is vim-small.  In Ubuntu, the vim version installed as vi
apparently depends on which vim package(s) you have installed and
may be vim-tiny or vim-huge.

The tiny and small versions do not support syntax highlighting.  See
the output of ":version".  Also see ":help :version" for a list of
which features are supported in which versions.  You should not
expect "syntax on" or any other vim command not found in the
original vi to work in /etc/virc.

> The point is: why does it work when in ~/.vimrc, and not on /etc/virc
> (not a typo, /etc/vimrc is not used at all, another deviation from the
> standard?).

Which configuration files are read depends on whether you execute
"vi" or "vim".

Regards,
Gary


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