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-rw-r--r--runtime/indent/tex.vim4
1 files changed, 3 insertions, 1 deletions
diff --git a/runtime/indent/tex.vim b/runtime/indent/tex.vim
index d356ba905b..68d13fb116 100644
--- a/runtime/indent/tex.vim
+++ b/runtime/indent/tex.vim
@@ -67,7 +67,8 @@
" 2020/04/26 by Yichao Zhou <broken.zhou AT gmail.com>
" (*) Fix a bug related to \[ & \]. Thanks Manuel Boni for
" reporting.
-"
+" 2023/08/28 by Vim Project
+" (*) Set b:undo_indent.
" }}}
" Document: {{{
@@ -167,6 +168,7 @@ setlocal indentexpr=GetTeXIndent()
setlocal indentkeys&
exec 'setlocal indentkeys+=[,(,{,),},],\&' . substitute(g:tex_items, '^\|\(\\|\)', ',=', 'g')
let g:tex_items = '^\s*' . substitute(g:tex_items, '^\(\^\\s\*\)*', '', '')
+let b:undo_indent = "setlocal autoindent< indentexpr< indentkeys< smartindent<"
" }}}
function! GetTeXIndent() " {{{