Skipping the addition of an undo only when the current action equals the

last action.  Necessary for when typing text is broken by an undo+redo.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5379 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2015-10-29  Benno Schulenberg  <bensberg@justemail.net>
+	* src/text.c (add_undo): Only skip adding an undo when the current
+	action equals the last action.  This condition is needed for when
+	typing text is broken by an undo+redo.  Fixes Savannah bug #46323.
+
 2015-10-29  David Lawrence Ramsey  <pooka109@gmail.com>
 	* src/files.c (do_writeout), src/nano.c (no_current_file_name_warning,
 	do_exit): When option -t is given, make ^O work the same way as under

src/text.c

@@ -912,7 +912,7 @@ void add_undo(undo_type action)
 
     /* When doing contiguous adds or contiguous cuts -- which means: with
      * no cursor movement in between -- don't add a new undo item. */
-    if (u && u->mark_begin_lineno == fs->current->lineno &&
+    if (u && u->mark_begin_lineno == fs->current->lineno && action == fs->last_action &&
 	((action == ADD && u->type == ADD && u->mark_begin_x == fs->current_x) ||
 	(action == CUT && u->type == CUT && !u->mark_set && keeping_cutbuffer())))
 	return;