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This might be something quirky about MacVim, so I'll ask here.

I put a syntax file in ~/.vim/syntax, but it doesn't load. I have syntax on in my .vimrc.

When I open the editor, :scriptnames doesn't include the syntax file.

Is there anything else I need to do to make sure it loads?

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up vote 2 down vote accepted

In addition to relying on the detected filetype, which may be incorrect, there are at least two alternative ways to force loading of a particular syntax file.

  1. Manually run the command :set ft=lesscss

  2. Add the previous setting to a modeline near the beginning or ending of the file. See :help modeline.

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Figured it out. It seems like files in $VIMRUNTIME/syntax are loaded based on the detected filetype when the actual file is loaded.

So I just renamed the file to the detected filetype, lesscss, and it loaded fine.

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