(Fprimitive_undo): In a writable buffer, enable undoing

read-only text that is so because of text properties.

(Fprimitive_undo): In a writable buffer, enable undoing
read-only text that is so because of text properties.
38d56be3 · Gerd Moellmann · c95fc5f1 · 38d56be3
Commit 38d56be3 authored Apr 30, 2001 by Gerd Moellmann
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Showing with 3 additions and 2 deletions

src/undo.c src/undo.c +3 -2

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--- a/src/undo.c
+++ b/src/undo.c
@@ -412,8 +412,9 @@ Return what remains of the list.")
  next = Qnil;
  GCPRO2 (next, list);

-  /* Don't let read-only properties interfere with undo.  */
-  if (!NILP (current_buffer->read_only))
+  /* In a writable buffer, enable undoing read-only text that is so
+     because of text properties.  */
+  if (NILP (current_buffer->read_only))
    specbind (Qinhibit_read_only, Qt);

  /* Don't let `intangible' properties interfere with undo.  */