What a good bug report.
I attach a patch which stops the crash, and leaves it up to the theme
definition to enable the text area.
Index: splashy-0.3.13_patched/src/splashy_video.c
===================================================================
--- splashy-0.3.13_patched.orig/src/splashy_video.c 2009-01-08 22:01:59.000000000 +1100
+++ splashy-0.3.13_patched/src/splashy_video.c 2009-01-08 22:04:35.000000000 +1100
@@ -145,7 +145,7 @@
* as F2 is pressed. Let's give'm a show for their
* money!
*/
- if (visible)
+ if (visible && video.textbox) /* close #473230 thanks John Hughes */
{
video.textbox->offscreen->Blit (video.textbox->surface,
video.textbox->offscreen,
