From bc34f61f13d8102c4c71d73b9e662e030dad9215 Mon Sep 17 00:00:00 2001
From: Paul Nelson <ultrono@gmail.com>
Date: Sat, 27 Apr 2024 15:43:54 +0200
Subject: [PATCH] Make preview-region work outside LaTeX-mode buffers

* tex.el (TeX-region-create): Provide default values for
header-end and trailer-start.
---
 tex.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tex.el b/tex.el
index d2864b5f..492fbea8 100644
--- a/tex.el
+++ b/tex.el
@@ -9075,8 +9075,8 @@ original file."
 
   (let* (;; We shift buffer a lot, so we must keep track of the buffer
          ;; local variables.
-         (header-end TeX-header-end)
-         (trailer-start TeX-trailer-start)
+         (header-end (or TeX-header-end LaTeX-header-end))
+         (trailer-start (or TeX-trailer-start LaTeX-trailer-start))
 
          ;; We seach for header and trailer in the master file.
          (orig-buffer (current-buffer))
-- 
2.39.3 (Apple Git-145)

