On Mon, 27 Jun 2011, Ben Schmidt wrote:
On 27/06/11 6:56 AM, Benjamin R. Haskell wrote:
On Sat, 25 Jun 2011, bendavis78 wrote:
Hi, I'm extending the css.vim syntax file for use with a CSS
framework using "runtime! syntax/css.vim".
You probably don't want the '!' there. That will run all
syntax/css.vim files found in 'runtimepath'. The only reason another
syntax/css.vim should be present in &rtp would be to override a
system syntax/css.vim.
No, you do want the '!'. Without it, you may simply pull in a file
from ~/.vim/syntax/css.vim that sets a handful of variables or
something like that to be used by $VIMRUNTIME/syntax/css.vim, and not
actually get the CSS highlighting itself pulled in at all. Needless to
say, that could be tremendously unhelpful and annoying.
Blech. I thought setting up user settings for syntax files was for
~/.vimrc, ~/.vim/ftplugin/{name}.vim, and ':help after-directory'. That
is: ~/.vimrc or ~/.vim/ftplugin/css.vim would contain settings used by
the first syntax/css.vim found in 'runtimepath', but
~/.vim/syntax/css.vim could be used to override a system
/syntax/css.vim. (So says :help mysyntaxfile-replace )
But, ':help syntax-loading' shows that it'll do :runtime!
syntax/{name}.vim, which loads all syntax/{name}.vim files found. So,
putting custom settings into ~/.vim/syntax/{name}.vim seems fine.
It's also the reason most syntax files are protected by guards of the
form:
==> syntax/{name}.vim <==
if exists('b:current_syntax')
finish
endif
let b:current_syntax = 'name'
" do stuff for 'name'
==============================
So, :runtime! should be fine. Sorry for any confusion.
Back to the original goal, though, two things:
1. If it's reaaally similar to CSS (just adds a few custom rules), you
might want to put your modifications into ~/.vim/after/syntax/css.vim
(See: :help mysyntaxfile-add )
2. If the modifications are more extensive, you might want to create a
whole filetype for the CSS framework files (especially if the files
already have a custom extension -- so are trivially easy to detect). (or
use an existing syntax¹, if it's SASS or SCSS)
--
Best,
Ben H
¹:
http://increaseyourgeek.wordpress.com/2011/02/26/syntax-highlighting-for-scss-in-vim/
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