From 5519096e552c9975997d16f2c67a9307694a2150 Mon Sep 17 00:00:00 2001
From: Kevin Ryde <user42@zip.com.au>
Date: Wed, 4 Jun 2003 15:46:40 +0000
Subject: [PATCH] (SRFI-13 Miscellaneous): In string-replace, note that start1
 and end1 optional is a Guile extension.

---
 doc/ref/srfi-modules.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/ref/srfi-modules.texi b/doc/ref/srfi-modules.texi
index bc5de490f..7807ba278 100644
--- a/doc/ref/srfi-modules.texi
+++ b/doc/ref/srfi-modules.texi
@@ -1803,6 +1803,9 @@ strings, breaking it up at a specified character.
 Return the string @var{s1}, but with the characters
 @var{start1} @dots{} @var{end1} replaced by the characters
 @var{start2} @dots{} @var{end2} from @var{s2}.
+
+For reference, note that SRFI-13 specifies @var{start1} and @var{end1}
+as mandatory, but in Guile they are optional.
 @end deffn
 
 @deffn {Scheme Procedure} string-tokenize s [token-set start end]