From 5589bdb6d36425578347c6d8cd6b3bc771ab90a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karl=20Yngve=20Lerv=C3=A5g?= <karl.yngve+git@gmail.com>
Date: Fri, 16 Sep 2022 08:35:42 +0200
Subject: [PATCH] fix: error in toggle_math

refer: #2488
---
 autoload/vimtex/env.vim | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/autoload/vimtex/env.vim b/autoload/vimtex/env.vim
index 95ead49559..081eaacc05 100644
--- a/autoload/vimtex/env.vim
+++ b/autoload/vimtex/env.vim
@@ -297,8 +297,10 @@ function! vimtex#env#toggle_math() abort " {{{1
   let [l:open, l:close] = vimtex#env#get_surrounding('math')
   if empty(l:open) | return | endif
 
-  call vimtex#env#change(l:open, l:close,
-        \ get(g:vimtex_env_toggle_math_map, l:open.match, '$'))
+  let l:current = get(l:open, 'name', l:open.match)
+  let l:target = get(g:vimtex_env_toggle_math_map, l:current, '$')
+
+  call vimtex#env#change(l:open, l:close, l:target)
 endfunction
 
 " }}}1