From: Chris Hanson <org/chris-hanson/cph>
Date: Tue, 23 Nov 2004 19:38:48 +0000 (+0000)
Subject: Modify transcript support to allow it to be used on any port.
X-Git-Tag: 20090517-FFI~1439
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=05633410aa37bad55f33a542b3cd9464e3b556e6;p=mit-scheme.git

Modify transcript support to allow it to be used on any port.
---

diff --git a/v7/src/runtime/tscript.scm b/v7/src/runtime/tscript.scm
index 5e2e6c2bd..4709a9f44 100644
--- a/v7/src/runtime/tscript.scm
+++ b/v7/src/runtime/tscript.scm
@@ -1,6 +1,6 @@
 #| -*-Scheme-*-
 
-$Id: tscript.scm,v 1.8 2004/11/04 03:00:47 cph Exp $
+$Id: tscript.scm,v 1.9 2004/11/23 19:38:48 cph Exp $
 
 Copyright 1990,1999,2004 Massachusetts Institute of Technology
 
@@ -28,14 +28,14 @@ USA.
 
 (declare (usual-integrations))
 
-(define (transcript-on filename)
-  (let ((port (nearest-cmdl/port)))
+(define (transcript-on filename #!optional port)
+  (let ((port (if (default-object? port) (nearest-cmdl/port) port)))
     (if (port/transcript port)
 	(error "Transcript already turned on."))
     (set-port/transcript! port (open-output-file filename))))
 
-(define (transcript-off)
-  (let ((port (nearest-cmdl/port)))
+(define (transcript-off #!optional port)
+  (let ((port (if (default-object? port) (nearest-cmdl/port) port)))
     (let ((transcript-port (port/transcript port)))
       (if transcript-port
 	  (begin