Re: vimSubst

I'll read the material, thank you, that is surely what I needed.

cts

--- On Thu, 6/30/11, Charles Campbell <Charles.E.Campbell@nasa.gov> wrote:

> From: Charles Campbell <Charles.E.Campbell@nasa.gov>
> Subject: Re: vimSubst
> To: vim_use@googlegroups.com
> Date: Thursday, June 30, 2011, 7:03 AM
> Charles Smith wrote:
> > The "after" directory is new to me, thank you for
> introducing it to me.  Unfortunately, I can find very
> little information about how it works exactly (vim version
> 7.2.264).
> >
> > I don't understand this mechanism...
> >
> >    Normally, when a file matching a
> particular name pattern is loaded
> >    into a buffer, a syntax file matching
> that pattern is loaded and
> >    invoked.  Now, the rules that are
> causing me trouble are defined in a
> >    file called vim.vim and I don't find any
> matching patterns using
> >    that syntax file in my own filetypes.vim
> or the system-wide one.
> >
> >    In general, it seems a pity that new
> features should break such
> >    simple, unambiguous, and useful
> functionality as, e.g. "syn clear":
> >
> >      "This command should be used when
> you want to switch off syntax
> >      highlighting, or when you want to
> switch to using another syntax.
> >      It's normally not needed in a
> syntax file itself, because syntax is
> >      cleared by the autocommands that
> load the syntax file.  The command
> >      also deletes the
> "b:current_syntax" variable, since no syntax is
> >      loaded after this command."
> >
> > Hopefully, I'm still missing something ...
> >   
> "syn clear" is not broken.  If one loads syntax
> definitions after a "syn clear", then that new syntax
> applies; in fact, many of the syntax files distributed with
> vim have "syn clear" embedded in them.
>
> So your difficulty I suspect is in understanding the
> loading sequence.  Here's some reading on the subject:
>
> :help .vimrc
> :help load-plugins
> :help 'runtimepath'
>
> Your first email mentioned that "syn clear" didn't work in
> your syntax file.  What is it named, in what directory
> is it in (so we may infer when it gets loaded), how are you
> triggering your syntax to be loaded (.vim/filetype.vim?) and
> how does syntax/vim.vim get involved?
>
> Remember that things that are loaded later can modify
> what's happened thus far.  So, if your syntax file is
> loaded with its "syn clear" and then syntax/vim.vim is
> loaded, naturally vim.vim's definitions have not been
> cleared; in this case they weren't even loaded and defined
> when that "syn clear" was issued.
>
> Regards,
> Chip Campbell
>
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