* dispnew.c (remake_frame_glyphs): When re-allocating the frame's

	message buffer when echo_area_glyphs is pointing at it, relocate
	echo_area_glyphs too.  Same for previous_echo_glyphs.
	* window.h (previous_echo_glyphs): Add extern declaration for this.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/window.h b/src/window.h
index 51a27157d59..000afe3466b 100644
--- a/src/window.h
+++ b/src/window.h
@@ -225,6 +225,12 @@ extern int minibuf_prompt_width;
    minibuf_prompt as well as the buffer.  */
 extern char *echo_area_glyphs;
 
+/* Value of echo_area_glyphs when it was last acted on.
+  If this is nonzero, there is a message on the frame
+  in the minibuffer and it should be erased as soon
+  as it is no longer requested to appear. */
+extern char *previous_echo_glyphs;
+
 /* Depth in recursive edits.  */
 extern int command_loop_level;