bug#43866: 26.3; italian postfix additions

[Robert Pluim]

>>>>> On Thu, 08 Oct 2020 18:10:34 +0200, Francesco Potortì <pot@gnu.org> said:

    >> Both C= and E= seem to work as X11 compose pairs. We could include both.
    >> That is, c=, C=, e=, E=, and c==, C==, e==, E== as the literal cases.

    Francesco> I would not include c= and C=.  I would not include e= either.  
These
    Francesco> things are very annoying unless they are really useful, so 
better just
    Francesco> include what's really needed and nothing more.

The advantage of e= is that (on a US-type keyboard at least) it
doesnʼt involve any modifiers. But then again adding it would increase
the chances of someone typing it by mistake.

Robert
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