Change latex provider to luatex, closes #476

autoload/vimtex/syntax/p/array.vim

@@ -0,0 +1,35 @@
+if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
+
+" vimtex - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+function! vimtex#syntax#p#array#load() abort " {{{1
+  if has_key(b:vimtex_syntax, 'array') | return | endif
+  let b:vimtex_syntax.array = 1
+
+  call vimtex#syntax#p#tabularx#load()
+  if !get(g:, 'tex_fast', 'M') =~# 'M' | return | endif
+
+  "
+  " The following code changes inline math so as to support the column
+  " specifiers [0], e.g.
+  "
+  "   \begin{tabular}{*{3}{>{$}c<{$}}}
+  "
+  " [0]: https://en.wikibooks.org/wiki/LaTeX/Tables#Column_specification_using_.3E.7B.5Ccmd.7D_and_.3C.7B.5Ccmd.7D
+  "
+
+  syntax clear texMathZoneX
+  if has('conceal') && &enc ==# 'utf-8' && get(g:, 'tex_conceal', 'd') =~# 'd'
+    syntax region texMathZoneX matchgroup=Delimiter start="\([<>]{\)\@<!\$" skip="\%(\\\\\)*\\\$" matchgroup=Delimiter end="\$" end="%stopzone\>" concealends contains=@texMathZoneGroup
+  else
+    syntax region texMathZoneX matchgroup=Delimiter start="\([<>]{\)\@<!\$" skip="\%(\\\\\)*\\\$" matchgroup=Delimiter end="\$" end="%stopzone\>" contains=@texMathZoneGroup
+  endif
+endfunction
+
+" }}}1
+
+endif