I broke up with neovim....vim is my best friend now

dot_vim/plugged/vimtex/ftplugin/tex.vim

@@ -0,0 +1,34 @@
+" VimTeX - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+if !get(g:, 'vimtex_enabled', 1)
+  finish
+endif
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+if !(!get(g:, 'vimtex_version_check', 1)
+      \ || has('nvim-0.4.3')
+      \ || has('patch-8.0.1453'))
+  echoerr 'Error: VimTeX does not support your version of Vim'
+  echom 'Please update to Vim 8.0.1453 or neovim 0.4.3 or later!'
+  echom 'For more info, please see :h vimtex_version_check'
+  finish
+endif
+
+call vimtex#init()
+
+" Check if user has tree-sitter enabled and give a warning if that is the case.
+" This is useful, since a lot of users are not aware of the clash between
+" VimTeX's syntax highlighting and Tree-sitters syntax highlighting.
+if has('nvim-0.5')
+      \ && g:vimtex_syntax_enabled
+      \ && !g:vimtex_syntax_conceal_disable
+  call timer_start(1000, 'vimtex#nvim#check_treesitter')
+endif