When using Emacs with GNU APL, you should use gnu-apl-mode. You can download it from MELPA and you start it using M-x gnu-apl.
https://github.com/lokedhs/gnu-apl-mode This should hopefully fix your problems. Regards, Elias On Wed, 2 Jun 2021 at 17:23, Hans-Peter Sorge <hanspeterso...@netscape.net> wrote: > Hi, > > I am on Fedora 34 now (apl SVN: 1198:1472M) > > The apl font partially fails to work with keyboard layout apl. > > The "over strike characters" ⌽⍉⍟⍝⍱⍲ ,when entered in a terminal, appear in > half.... > The left half of the character is being displayed when entered. > The right half appears when space bar is being pressed. > Anny further character entered is being offset by one. > > That is ⌽[space]ABC -> ends up as ⌽BC where space bar "overlays" > character A! > The Apl-Session, terminal, emacs, vi are affected too. slikedid, Firefox > are OK. > > If changing the layout via *setxkbmap -layout "apl"* I get ���� instead > of ⌽⍉⍟⍝. > The � are being displayed the same way as described above: Left half > character, [SPACEBAR] right half of the character. > > I installed apl from the repository to verify the behavior - that > segfaults. > > The font-manager shows > ⍝ APL FUNCTIONAL SYMBOL UP SHOE JOT U+235D > So there is nothing special about this and 'normal' UTF-8 characters. > > The terminal font is set to *latarcyrheb-sun16* in */etc/voconsole.conf.* > > Changing the terminal font to either Unifont-APL8x16-12.1.02 or > NotoSansMono did not help. > > Emacs: > After some 'fiddling around' font changes with emacs *M-x menu-set-font* > will display ⍝ in one go, > Char ⍝ will be displayed for different fonts - even if the font-manager > does not show it. > Char ⍝ with font NotoSansMono selected will be displayed in one shot but > with additional spacing to the left and right. > Char ⍝ with Unifont selected will be displayed w/o spacing. > ( The console fonts and the content of *menu-set-font* are different...) > > Hopefully some one has an idea where / how to dig deeper into the problem. > > Best Regards > Hans-Peter > > > > Is there / some where an experiment going on to 'improve' character > composition? > > > >
