- Allow color syntaxes to apply to more than just color, so that we can
e.g. specify a different alternate spell checker depending on which
file type we have open.
+- Allow color syntaxes to be selected based on more than just filename
+ extension, e.g. through libmagic?
- Allow text searches in the help browser.
- Allow setting marks (saved positions, not to be confused with the mark
set via Ctrl-^) at various lines and/or columns in the buffer, and