-Provide a means to specify video aspect and menu & audio language.
-Search whole of history rather than just previous page when deciding whether a link goes back or forward.
-Set Mozilla's idea of the pixel aspect ratio to match video pixels. (For extra credit, scale preview mode to correct for the differing aspect ratio.)
+Priority 1 (highest)
+Investigate and fix the crash that occurs after we trigger exit from null_prompt_service.
+Make linking to chapters actually work.
+
+Priority 2
+Use ffmpeg instead of mjpegtools to encode menus.
+Use ffmpeg to convert unsuitable video files (how do we check this?).
Add keyboard command for "top menu" in preview mode.
Add support for videos in preview mode.
-Support more than 99 videos by grouping them into titlesets.
-Avoid exceeding the maximum 128 instructions per PGC.
+Support more than 99 videos somehow (grouping them into titlesets won't help)
Allow explicit ordering of videos.
+
+Priority 3 (lowest)
+Provide a means to specify menu & audio language.
May need to override default menu navigation actions because dvdauthor seems to cause rather undesirable behaviour when buttons are not arranged in a grid.
For any page with no links, add a "back" link (this raises the issue of localisation, of course).
If a page is too large, split it and add "next" and "previous" links (seems very difficult).
+Set Mozilla's idea of the pixel aspect ratio to match video pixels. (For extra credit, scale preview mode to correct for the differing aspect ratio.) This seems to be impossible.