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So I started a big project which has multiple files that are included in the main file. I'm using vim, specifically with the vim-latex plugin.

The problem is that vim-latex doesn't work for the standalone .tex files (because they lack a preamble). And by that I mean that the shortcuts don't work (like the F9 autocompletion, F5, etc; I don't really care that much about the compilation commands). How to I deal with this?

I did some research and it seems to me that one of the solutions is to use a main.tex.latexmain file. Maybe I'm missing something obvious but I'm not sure what goes in that file. According to the docs it should be Vim commands, but I honestly have no idea which commands and I couldn't find one single example online.

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  • What do you mean exactly with "vim-latex doesn't work for standalone files"? Are you unable to edit them? Or do you want to compile the main file while you are editing a standalone file? Or do you want to compile the standalone file without compiling the main file?
    – Marijn
    May 13 '20 at 12:58
  • @Marijn I mean the shortcuts don't work. Sorry I should have specified better. I'll edit the question
    – TomCho
    May 13 '20 at 16:21
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It seems like vim is detecting the incorrect file type. A blank .tex document will have the vim file type plaintex, where as a LaTeX document has file type tex. It would appear that vim-latex does not run on plaintex. There are at least two ways to force vim to read it as a tex file type:

  1. Add the following line at the top of the tex file to change the file type detected by vim:
% vim: set filetype=tex :
  1. Add an auto command to your .vimrc file to make vim-latex run in all .tex files:
autocmd BufNewFile,BufRead *.tex set filetype=tex

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