> Also, I was wondering whether it is the case to include in the > package the standard APL font (not part of the original distribution) > and install it in the default X11 font directory. It would save new > users a lot of woe, I suppose, since the language uses a non-ASCII > set of characters and symbols for which a new font is needed. My only > concern so far is that I have not been able to find any information on > the license of this font that anyway seems to be in the public domain.
I used APL in a past life and believe me, you need font support. The readme for Emacs APL mode, at https://github.com/lokedhs/gnu-apl-mode, suggests to use GNU FreeFont, which is GPL'd. If you can't find documentation that your other font is PD or otherwise licensable, I'd use their "Free" Font.
