From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 3 Mar 2018 12:54:15 +0000 (+0200)
Subject: Improve commentary in simple,el
X-Git-Tag: emacs-27.0.90~5564
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=282a68189a4721d6764126d435fc7cf57fad6440;p=emacs.git

Improve commentary in simple,el

* lisp/simple.el (next-error-last-buffer): Improve commentary.
(Bug#20489)
---

diff --git a/lisp/simple.el b/lisp/simple.el
index edcb73ce2e1..60a00286f89 100644
--- a/lisp/simple.el
+++ b/lisp/simple.el
@@ -121,6 +121,11 @@ If non-nil, the value is passed directly to `recenter'."
 A buffer becomes most recent when its compilation, grep, or
 similar mode is started, or when it is used with \\[next-error]
 or \\[compile-goto-error].")
+
+;; next-error-last-buffer is made buffer-local to keep the reference
+;; to the parent buffer used to navigate to the current buffer, so the
+;; next call of next-buffer will use the same parent buffer to
+;; continue navigation from it.
 (make-variable-buffer-local 'next-error-last-buffer)
 
 (defvar next-error-function nil