feat(syntax): add initial luacas support

refer: #3050
lervag · Dec 8, 2024 · feba414 · feba414
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diff --git a/autoload/vimtex/syntax/p/luacas.vim b/autoload/vimtex/syntax/p/luacas.vim
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+" VimTeX - LaTeX plugin for Vim
+"
+" Maintainer: Karl Yngve Lervåg
+" Email:      karl.yngve@gmail.com
+"
+
+function! vimtex#syntax#p#luacas#load(cfg) abort " {{{1
+  call vimtex#syntax#core#new_env({
+        \ 'name': 'CAS',
+        \ 'region': 'texLuacasZone',
+        \})
+
+  highlight def link texLuacasZone texVerbZone
+endfunction
+
+" }}}1
diff --git a/test/test-syntax/test-luacas.tex b/test/test-syntax/test-luacas.tex
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+\documentclass{article}
+\usepackage{luacas}
+
+\begin{document}
+
+\begin{CAS}
+  vars('x','h')
+  f = x^2
+  subs = {[x]=x+h}
+  q = (substitute(subs,f) - f)/h
+\end{CAS}
+
+\end{document}