TO DO
- Check everything for correct use of UTF8 encoding
- Implement trimming relative to temporary score of nodes
- Menu item: File/Import into Skein...
- redraw skein immediately when font size changes
- width of skein bubbles needs to be calculated from text, taking font size into
  account
- implement reading contents html file generated by compiler when intelligent
  index inspector is turned off
- Save last location for putting release file and open release dialog there
- Automatic backup?
- Rethink preference for spell checking. Global for all windows or not?
- The word "openable" isn't in the default English dictionary
- Write a new Glk library
- Capture text from interpreter
- Runtime error detection
- Transcript
    Transcript/etc.
    Build/Play All Blessed
- I6 Projects
- Debug tools (?)

BUGS
- invalid pointer access when adding label to skein?
- Fix crooked lines in Skein layout
BUGS THAT ARE NOT MY FAULT
- Bug in GtkSpell: When detaching the GtkSpell from the second Source view, it
  still thinks it has to remove the misspelling marks. This generates errors.
