From 160577c5c9907ebbdd265dcf4a21caeeaa1fee84 Mon Sep 17 00:00:00 2001
From: Kenichi Handa <handa@m17n.org>
Date: Tue, 26 Jun 2007 00:29:23 +0000
Subject: [PATCH] (Default Coding Systems): Document about the return value
 `undecided'.

---
 lispref/nonascii.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lispref/nonascii.texi b/lispref/nonascii.texi
index dd0f15c817e..a8f45e9dd20 100644
--- a/lispref/nonascii.texi
+++ b/lispref/nonascii.texi
@@ -1031,6 +1031,9 @@ argument, a list of all arguments passed to
 @code{find-operation-coding-system}.  It must return a coding system
 or a cons cell containing two coding systems.  This value has the same
 meaning as described above.
+
+If @var{coding} (or what returned by the above function) is
+@code{undecided}, the normal code-detection is performed.
 @end defvar
 
 @defvar process-coding-system-alist
-- 
2.39.2