runtime(groff,nroff): improve ftplugin
- set options in ftplugin but not in syntax
- implement ftplugin/groff.vim (wrapper of ftplugin/nroff.vim)
closes: #17174
Signed-off-by: Eisuke Kawashima <e-kwsm@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/ftplugin/groff.vim b/runtime/ftplugin/groff.vim
new file mode 100644
index 0000000..3ebfa03
--- /dev/null
+++ b/runtime/ftplugin/groff.vim
@@ -0,0 +1,15 @@
+" Vim syntax file
+" Language: groff(7)
+" Maintainer: Eisuke Kawashima ( e.kawaschima+vim AT gmail.com )
+" Last Change: 2025 Apr 24
+
+if exists('b:did_ftplugin')
+ finish
+endif
+
+let b:nroff_is_groff = 1
+
+runtime! ftplugin/nroff.vim
+
+let b:undo_ftplugin .= '| unlet! b:nroff_is_groff'
+let b:did_ftplugin = 1
diff --git a/runtime/ftplugin/nroff.vim b/runtime/ftplugin/nroff.vim
index 1c6d4eb..cd2680e 100644
--- a/runtime/ftplugin/nroff.vim
+++ b/runtime/ftplugin/nroff.vim
@@ -8,6 +8,7 @@
" 2024 May 24 by Riley Bruins <ribru17@gmail.com> ('commentstring' #14843)
" 2025 Feb 12 by Wu, Zhenyu <wuzhenyu@ustc.edu> (matchit configuration #16619)
" 2025 Apr 16 by Eisuke Kawashima (cpoptions #17121)
+" 2025 Apr 24 by Eisuke Kawashima (move options from syntax to ftplugin #17174)
if exists("b:did_ftplugin")
finish
@@ -22,7 +23,17 @@
setlocal sections+=Sh
setlocal define=.\s*de
-let b:undo_ftplugin = 'setlocal commentstring< comments< sections< define<'
+if get(b:, 'preprocs_as_sections')
+ setlocal sections=EQTSPS[\ G1GS
+endif
+
+let b:undo_ftplugin = 'setlocal commentstring< comments< sections& define<'
+
+if get(b:, 'nroff_is_groff')
+ " groff_ms exdented paragraphs are not in the default paragraphs list.
+ setlocal paragraphs+=XP
+ let b:undo_ftplugin .= ' paragraphs&'
+endif
if exists('loaded_matchit')
let b:match_words = '^\.\s*ie\>:^\.\s*el\>'