bug#68234: [PATCH] Increase blink-matching-paren-distance by 300kb.

[Antero Mejr via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

[-- Attachment #1: Type: text/plain, Size: 203 bytes --]

Avoids erroneous mismatched paren highlighting when highlighting large
expressions of around 10,000 lines.

This value was last increased in 2009, from 25->100kb. This patch
increases it from 100->400.


[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-Increase-blink-matching-paren-distance-by-300kb.patch --]
[-- Type: text/x-patch, Size: 1085 bytes --]

From d55e8ce5d98389bc8bbe4dac97bc76bb957e791e Mon Sep 17 00:00:00 2001
From: Antero Mejr <antero@mailbox.org>
Date: Wed, 3 Jan 2024 18:29:43 +0000
Subject: [PATCH] Increase blink-matching-paren-distance by 300kb.

* lisp/simple.el (blink-matching-paren-distance): Increase from 100kb
to 400kb.
---
 lisp/simple.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/simple.el b/lisp/simple.el
index 4f6d2ee12c3..177ea640506 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -9260,10 +9260,10 @@ It is also ignored if `show-paren-mode' is enabled."
   :type 'boolean
   :group 'paren-blinking)
 
-(defcustom blink-matching-paren-distance (* 100 1024)
+(defcustom blink-matching-paren-distance (* 400 1024)
   "If non-nil, maximum distance to search backwards for matching open-paren.
 If nil, search stops at the beginning of the accessible portion of the buffer."
-  :version "23.2"                       ; 25->100k
+  :version "23.2"                       ; 25->100k, 30->400k
   :type '(choice (const nil) integer)
   :group 'paren-blinking)
 
-- 
2.43.0