Bind notification-output-port to a null port that does not signal

errors.

diff --git a/v7/src/edwin/editor.scm b/v7/src/edwin/editor.scm
index e05267dc599470e85758e055a9aa993595f5ee12..ef26d43507d82cf035cf9633b8934cd327b1cd8c 100644 (file)
--- a/v7/src/edwin/editor.scm
+++ b/v7/src/edwin/editor.scm
@@ -1,6 +1,6 @@
 ;;; -*-Scheme-*-
 ;;;
-;;;    $Id: editor.scm,v 1.230 1993/10/21 04:58:12 cph Exp $
+;;;    $Id: editor.scm,v 1.231 1993/10/25 19:57:19 cph Exp $
 ;;;
 ;;;    Copyright (c) 1986, 1989-1993 Massachusetts Institute of Technology
 ;;;
@@ -88,13 +88,16 @@
                      (lambda (root-continuation)
                        (set! editor-thread-root-continuation
                              root-continuation)
-                       (do ((thunks (let ((thunks editor-initial-threads))
-                                      (set! editor-initial-threads '())
-                                      thunks)
-                                    (cdr thunks)))
-                           ((null? thunks))
-                         (create-thread root-continuation (car thunks)))
-                       (top-level-command-reader edwin-initialization)))))
+                       (with-notification-output-port null-output-port
+                         (lambda ()
+                           (do ((thunks (let ((thunks editor-initial-threads))
+                                          (set! editor-initial-threads '())
+                                          thunks)
+                                        (cdr thunks)))
+                               ((null? thunks))
+                             (create-thread root-continuation (car thunks)))
+                           (top-level-command-reader
+                            edwin-initialization)))))))
                 message)
               false
               `((START-CHILD ,(editor-start-child-cmdl with-editor-ungrabbed))
@@ -460,15 +463,15 @@ This does not affect editor errors or evaluation errors."
        '(CHAR-READY? READ-CHAR PEEK-CHAR WRITE-CHAR))
    #f))
 
+(define null-output-port
+  (make-output-port `((WRITE-CHAR ,(lambda (port char) port char unspecific)))
+                   #f))
+
 (define (editor-start-child-cmdl with-editor-ungrabbed)
-  (lambda (cmdl thunk)
-    cmdl
-    (with-editor-ungrabbed thunk)))
+  (lambda (cmdl thunk) cmdl (with-editor-ungrabbed thunk)))
 
 (define (editor-child-cmdl-port port)
-  (lambda (cmdl)
-    cmdl
-    port))
+  (lambda (cmdl) cmdl port))
 \f
 (define inferior-thread-changes?)
 (define inferior-threads)