From 3d6a8113b7388b9f62def9c60d8718763f10321c Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Tue, 23 Apr 1991 06:22:52 +0000
Subject: [PATCH] Fix think-o in `set-buffer-pathname!'.

---
 v7/src/edwin/buffer.scm | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/v7/src/edwin/buffer.scm b/v7/src/edwin/buffer.scm
index 45b2211b6..5818d7a4d 100644
--- a/v7/src/edwin/buffer.scm
+++ b/v7/src/edwin/buffer.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;	$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/edwin/buffer.scm,v 1.142 1991/04/21 00:48:54 cph Exp $
+;;;	$Header: /Users/cph/tmp/foo/mit-scheme/mit-scheme/v7/src/edwin/buffer.scm,v 1.143 1991/04/23 06:22:52 cph Exp $
 ;;;
 ;;;	Copyright (c) 1986, 1989-91 Massachusetts Institute of Technology
 ;;;
@@ -150,7 +150,9 @@ The buffer is guaranteed to be deselected at that time."
 
 (define (set-buffer-pathname! buffer pathname)
   (vector-set! buffer buffer-index:pathname pathname)
-  (set-buffer-default-directory! buffer (pathname-directory-path pathname))
+  (if pathname
+      (set-buffer-default-directory! buffer
+				     (pathname-directory-path pathname)))
   (buffer-modeline-event! buffer 'BUFFER-PATHNAME))
 
 (define (set-buffer-truename! buffer truename)
-- 
2.25.1