runtime(nroff): set define option & add matchit config in ftplugin
closes: #16619
Signed-off-by: Wu, Zhenyu <wuzhenyu@ustc.edu>
Signed-off-by: Aman Verma <amanraoverma@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/ftplugin/nroff.vim b/runtime/ftplugin/nroff.vim
index ed0b32f..7d3d2a5 100644
--- a/runtime/ftplugin/nroff.vim
+++ b/runtime/ftplugin/nroff.vim
@@ -2,8 +2,11 @@
" Language: roff(7)
" Maintainer: Aman Verma
" Homepage: https://github.com/a-vrma/vim-nroff-ftplugin
+" Document: https://www.gnu.org/software/groff/manual/groff.html
" Previous Maintainer: Chris Spiegel <cspiegel@gmail.com>
-" 2024 May 24 by Riley Bruins <ribru17@gmail.com> ('commentstring')
+" Last Changes:
+" 2024 May 24 by Riley Bruins <ribru17@gmail.com> ('commentstring' #14843)
+" 2025 Feb 12 by Wu, Zhenyu <wuzhenyu@ustc.edu> (matchit configuration #16619)
if exists("b:did_ftplugin")
finish
@@ -13,5 +16,17 @@
setlocal commentstring=.\\\"\ %s
setlocal comments=:.\\\"
setlocal sections+=Sh
+setlocal define=.\s*de
-let b:undo_ftplugin = 'setlocal commentstring< comments< sections<'
+let b:undo_ftplugin = 'setlocal commentstring< comments< sections< define<'
+
+if exists('loaded_matchit')
+ let b:match_words = '^\.\s*ie\>:^\.\s*el\>'
+ \ . ',^\.\s*LB\>:^\.\s*LI\>:^\.\s*LE\>'
+ \ . ',^\.\s*TS\>:^\.\s*TE\>'
+ \ . ',^\.\s*PS\>:^\.\s*P[EF]\>'
+ \ . ',^\.\s*EQ\>:^\.\s*EN\>'
+ \ . ',^\.\s*[\>:^\.\s*]\>'
+ \ . ',^\.\s*FS\>:^\.\s*FE\>'
+ let b:undo_ftplugin .= "| unlet b:match_words"
+endif