如果您希望 Vim 识别新的文件扩展名，请不要在 .vimrc 中修改 augroup，请将设置放在正确的位置。请参阅 :help ftdetect
If you only want to use Vim's syntax highlighting, then you can set the filetype of every LESS file to be a CSS file.
To do this, you can add au BufNewFile,BufRead *.less set filetype=css to your .vimrc file.
au stands for autocommand, so the above line reads "on events BufNewFile or BufRead, if the file has a less extension, then set the filetype option to css".
Keep in mind that this is not the recommended way. According to the Vim tips Wiki:
If there is a new file extension that you want Vim to recognize, don't muck about with augroup in your .vimrc, put the settings in the right place. See :help ftdetect
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http://leafo.net/lessphp/vim/
检查安装文件以获取说明。
http://leafo.net/lessphp/vim/
Check the INSTALL file for instructions.
还有一些 github 存储库：
https://github.com/groenewege/vim-less< /p>
https://github.com/lunaru/vim-less
There are also a couple of github repos:
https://github.com/groenewege/vim-less
https://github.com/lunaru/vim-less
如果你只想使用Vim的语法高亮，那么你可以将每个LESS文件的文件类型设置为CSS文件。
为此，您可以将
au BufNewFile,BufRead *.less set filetype=css添加到.vimrc文件中。au代表autocommand，因此上面的行显示为“在事件BufNewFile或BufRead上，如果文件具有less扩展名，然后将filetype选项设置为css”。请记住，这不是推荐的方法。根据 Vim Tips Wiki：
If you only want to use Vim's syntax highlighting, then you can set the filetype of every LESS file to be a CSS file.
To do this, you can add
au BufNewFile,BufRead *.less set filetype=cssto your.vimrcfile.austands forautocommand, so the above line reads "on eventsBufNewFileorBufRead, if the file has alessextension, then set thefiletypeoption tocss".Keep in mind that this is not the recommended way. According to the Vim tips Wiki:
将此行粘贴到您的 .vimrc 中：
au是autocmd的简写。因此，这读作“当我读取或打开以 .less 结尾的新文件时，自动将文件类型设置为 CSS”。Paste this line into your .vimrc:
auis a shorthand forautocmd. So this reads as "when I read or open a new file that ends in .less, automatically set the filetype as CSS".