Commit: runtime(sh): properly delete shell commands in syntax file

[Christian Brabandt]

runtime(sh): properly delete shell commands in syntax file

Commit: https://github.com/vim/vim/commit/ba3a5a7372e7e41ef0153d05295b97bb06b57342
Author: Christoffer Aasted <chr.a...@gmail.com>
Date: Fri Jul 18 20:25:59 2025 +0200

runtime(sh): properly delete shell commands in syntax file

closes: https://github.com/vim/vim/issues/17785

Signed-off-by: Christoffer Aasted <chr.a...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/sh.vim b/runtime/syntax/sh.vim
index 3e0a481fb..9cee161ac 100644
--- a/runtime/syntax/sh.vim
+++ b/runtime/syntax/sh.vim
@@ -3,7 +3,7 @@
" Maintainer: This runtime file is looking for a new maintainer.
" Previous Maintainers: Charles E. Campbell
" Lennart Schultz <Lennart...@ecmwf.int>
-" Last Change: 2024 Mar 04 by Vim Project
+" Last Change: 2024 Mar 04 by Vim Project {{{1
" 2024 Nov 03 by Aliaksei Budavei <0x000c70 AT gmail DOT com> (improved bracket expressions, #15941)
" 2025 Jan 06 add $PS0 to bashSpecialVariables (#16394)
" 2025 Jan 18 add bash coproc, remove duplicate syn keywords (#16467)
@@ -16,6 +16,8 @@
" 2025 May 10 improve wildcard character class lists
" 2025 May 21 improve supported KornShell features
" 2025 Jun 16 change how sh_fold_enabled is reset (#17557)
+" 2025 Jul 18 properly delete :commands #17785
+" }}}
" Version: 208
" Former URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
" For options and settings, please use: :help ft-sh-syntax
@@ -174,9 +176,15 @@ endif

" Set up folding commands for shell {{{1
" =================================
-sil! delc ShFoldFunctions
-sil! delc ShFoldHereDoc
-sil! delc ShFoldIfDoFor
+if exists(":ShFoldFunctions") == 2
+ delc ShFoldFunctions
+endif
+if exists(":ShFoldIfHereDoc") == 2
+ delc ShFoldHereDoc
+endif
+if exists(":ShFoldIfDoFor") == 2
+ delc ShFoldIfDoFor
+endif
if s:sh_fold_functions
com! -nargs=* ShFoldFunctions <args> fold
else