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I want to use the nuweb.vim extension for syntax highlighting nuweb files.

Long story short, nuweb files are basically a super-set of latex files. There is added syntax and markers to embed code-snippets in Latex so that one can do literate programming in the style of Knuth.

However, I have not been able to get the nuweb.vim file to get to work for nuweb files. (These typically have extensions .nw)

Here a sample nuweb file, titled fun.nw

$\alpha + \beta=\gamma$

@o output.cpp
@{# /* C++*/
#include<iostream>
int main(void){
  std::cout << "Hello World" << std::endl;
  return 0;
}

@}

My .vimrc file looks like this

colorscheme torte
set guifont=Inconsolata\ 14
set laststatus=2

filetype on
filetype plugin on

set runtimepath^=/home/smilingbuddha/.vim/bundle/nuweb.vim

On opening the nuweb files, I don't get the necessary syntax highlightin. Doing :set syntax? I get output syntax=conf in the mode-line at the bottom.

Where am I going wrong? I am not used to Vim so I am pretty much a newbie.

  • put the syntax\nuweb.vim inside ~/.vim/syntax. If Vim already detects nuweb files, it should just work, else you would need an additional rule to detect a new filetype (see :h new-filetype) – Christian Brabandt Nov 25 '18 at 8:16
  • Check :set ft? – D. Ben Knoble Nov 25 '18 at 14:10
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Simply put syntax on on your vimrc

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