TO DO
- Check everything for correct use of UTF8 encoding
- 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
- Make search operations cancellable
- Automatic backup?
- Rethink preference for spell checking. Global for all windows or not?
- The word "openable" isn't in the default English dictionary
- Runtime error detection
- Transcript
    Transcript/etc.
    Build/Play All Blessed
- I6 Projects
- Debug tools (?)

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 warnings
  on the terminal.
