Add a SHRINK-LENGTH field to the group data structure, and change the

allocation of groups to initialize them to a fixed minimum size.

diff --git a/v7/src/edwin/struct.scm b/v7/src/edwin/struct.scm
index 221a5ddcd2c35b0c5eba6abeabd7bb5dcea6d218..f12adf8d59c81506e1a75f3093e9624b5ab1f258 100644 (file)
--- a/v7/src/edwin/struct.scm
+++ b/v7/src/edwin/struct.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Id: struct.scm,v 1.83 1993/01/09 09:41:30 cph Exp $
+;;;    $Id: struct.scm,v 1.84 1993/01/09 20:38:24 cph Exp $
 ;;;
 ;;;    Copyright (c) 1985, 1989-93 Massachusetts Institute of Technology
 ;;;
@@ -110,11 +110,12 @@
   shrink-length)
 
 (define (make-group buffer)
-  (let ((group (%make-group)))
-    (vector-set! group group-index:text (string-allocate group-minimum-length))
+  (let ((group (%make-group))
+       (length group-minimum-length))
+    (vector-set! group group-index:text (string-allocate length))
     (vector-set! group group-index:gap-start 0)
-    (vector-set! group group-index:gap-length group-minimum-length)
-    (vector-set! group group-index:gap-end 0)
+    (vector-set! group group-index:gap-length length)
+    (vector-set! group group-index:gap-end length)
     (vector-set! group group-index:marks '())
     (let ((start (make-permanent-mark group 0 false)))
       (vector-set! group group-index:start-mark start)