This directory is for my notes on how to get more glyphs out of the keyboard in
Xorg.  Much of this is specific to a British ('gb') keymap, but others might find
useful things along the way.

1. accents-and-diacriticals-in-xorg

 My notes from 2013.

2. new gb maps - deader and rusphon

 On one of my desktops, I have now changed to xfce under lxdm (instead of startx
and icewm).  That meant that my icewm-specific Xmodmap routines to switch
betwee gb, greek, and phonetic russian keymaps cannot be used.  What I have now
done is to add TWO new gb keymaps - 'deader' (more dead keys) and 'rusphon'
(phonetic russian for a gb keyboard - compare the russian layout in the 'de'
keymaps of Xorg).  After past pain with switching between 3 keyboard layouts
in xorg (I get confused about which map I am in), I decided to use just two
keymaps, with Left Control + Left Windows for gb (the default) and Right Control
+ Menu for russian.  For each of these, I have assigned 'dead_greek' to the
AltGr-g key.  This setup has two drawbacks, but I can live with them :

 (i.) Keying greek letters now needs a lot more keypresses, but I very rarely
  key any greek, usually only when I am testing that things still work.
 (ii.) In LibreOffice Writer, when I change to the russian map the Menu key
  causes a menu to appear, but the change is made.  I can live with this
  (also, can open a term and switch to that while I key Right Ctrl + Menu).

 As noted in item (1.) above, I set the GTK_IM_MODULE to xim in ~/.xinitrc.
With lxdm, that file is not read, so I have had to add the following to
~/.xprofile:
export GTK_IM_MODULE="xim"

 Initially, I forgot to mention how I control this - I use 11-keyboard.conf,
that now looks like this:

Section "InputClass"
        Identifier "keyboard-all"
        Driver "evdev"
        # for my own russian variant, specific to a gb keyboard, I put it in gb
        Option "XkbLayout" "gb,gb"
        Option "XkbModel" "evdev"
        # add my own 'deader' gb variant - more dead keys
        Option "XkbVariant" "deader,rusphon"
        Option "XkbOptions" "ctrl_alt_bksp,grp:lctrl_lwin_rctrl_menu,compose:caps"
        MatchIsKeyboard "on"
EndSection

 I also forgot to mention that changing things meant Right-Shift + AltGr no
longer worked as Compose, and has never been listed as an option, so I've gone
for Compose on Caps Lock.

 I have also had to work on my ~/.XCompose -
(a) AltGr g used to give me ukrainian ghe with upturn, so I had to add that
 to thecompositions.
(b) The standard dead_greek compositions in the en_US file have two problems
 for me: the mappings are nothing like the real greek keyboard I had been used
 to, and there are no sequences for diacriticals (tonos, dialytika).  Also,
 when I am on the rusphon map the letters become their cyrillic equivalents
 and these needed mapping.

 So, I now present the following as examples of how to change things:

2.1 xkeyboard-config-2.12-gbdeader.patch

 This applies my changes to the source.  I cannot see any point in trying to
send this upstream, it is specific to my use, but posted here as an example.

2.2 xkb-apply-gbdeader.patch

 That applies my changes to an already-installed system.  To apply it you
need to be in the xkb directory and apply it with -p0.

2.3 XCompose - to use this, save it as ~/.XCompose : there are three of my
cyrillic compositions which do not work (marked by FIXME), but overall it is
"good enough" for me.

2014-10-01 - Created.

2020-06-21 - I noticed this is still present, but the patches are out of date.
At some point I needed to use a US keyboard, and missed the dead accents I
was accustomed to.  So, I created an -en-full patch to cover both key layouts,
with 'deader' and 'rusphon' for the names of the american layouts.  When
xkeyboard-config-2.27 came out, the patches no-longer applied so I rediffed.
Those still work in xkeyboard-config-2.30 although I'm back on GB keyboards.