From: Chris Hanson <org/chris-hanson/cph>
Date: Tue, 28 Dec 1999 20:28:58 +0000 (+0000)
Subject: Another tweak to REPL mode to get line spacing right.
X-Git-Tag: 20090517-FFI~4386
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=391cc5c73dd16369d438002254f730c5de957ff0;p=mit-scheme.git

Another tweak to REPL mode to get line spacing right.
---

diff --git a/v7/src/edwin/intmod.scm b/v7/src/edwin/intmod.scm
index 026ad5d45..e36bbb5d8 100644
--- a/v7/src/edwin/intmod.scm
+++ b/v7/src/edwin/intmod.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;; $Id: intmod.scm,v 1.108 1999/12/22 20:33:07 cph Exp $
+;;; $Id: intmod.scm,v 1.109 1999/12/28 20:28:58 cph Exp $
 ;;;
 ;;; Copyright (c) 1986, 1989-1999 Massachusetts Institute of Technology
 ;;;
@@ -681,12 +681,15 @@ If this is an error, the debugger examines the error condition."
 			  (set-buffer-point! buffer end*)
 			  end*)
 			end))))
-	     (if (eqv? #\newline (extract-right-char mark))
-		 (mark1+ mark)
-		 (let ((mark (mark-left-inserting-copy mark)))
-		   (insert-newline mark)
-		   (mark-temporary! mark)
-		   mark)))))
+	     (cond ((eqv? #\newline (extract-right-char mark))
+		    (mark1+ mark))
+		   ((line-start? mark)
+		    mark)
+		   (else
+		    (let ((mark (mark-left-inserting-copy mark)))
+		      (insert-newline mark)
+		      (mark-temporary! mark)
+		      mark))))))
       (move-mark-to! (port/mark port) input-end)
       (move-mark-to! (ref-variable comint-last-input-end buffer) input-end))
     (let ((queue (port/expression-queue port)))