From aa5c9310f51400643c82f5ce41b1070f362a44f1 Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Mon, 30 Mar 2026 10:12:03 +0000
Subject: [PATCH] runtime(typeset): Use fnameescape() for the :lcd command
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Problem:  runtime(typeset) does not escape the detected directory
Solution: Use fnameescape() (Michał Majchrowicz)

fyi @lifepillar

Signed-off-by: Christian Brabandt <cb@256bit.org>
---
 runtime/autoload/typeset.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/runtime/autoload/typeset.vim b/runtime/autoload/typeset.vim
index 14bbcf03e2..3280cb4efd 100644
--- a/runtime/autoload/typeset.vim
+++ b/runtime/autoload/typeset.vim
@@ -3,6 +3,8 @@ vim9script
 # Language:           Generic TeX typesetting engine
 # Maintainer:         Nicola Vitacolonna <nvitacolonna@gmail.com>
 # Latest Revision:    2026 Feb 19
+# Last Change:
+# 2026 Mar 30 by Vim project: Use fnameescape for the ProcessOutput command
 
 # Constants and helpers {{{
 const SLASH = !exists("+shellslash") || &shellslash ? '/' : '\'
@@ -60,7 +62,7 @@ def ProcessOutput(qfid: number, wd: string, efm: string, ch: channel, msg: strin
   endif
 
   # Make sure the working directory is correct
-  silent execute "lcd" wd
+  silent execute "lcd" .. fnameescape(wd)
   setqflist([], 'a', {'id': qfid, 'lines': [msg], 'efm': efm})
   silent lcd -
 enddef