bug#43866: 26.3; italian postfix additions

[Robert Pluim]

>>>>> On Fri, 09 Oct 2020 17:31:17 +0300, Eli Zaretskii <eliz@gnu.org> said:

    Eli> Based on the discussion, I've decided to make a minimal change, so I
    Eli> added E= as a sequence for the Euro sign to Latin-1 language input
    Eli> methods (on the master branch).

    Eli> Any reason not to close this bug report now?

If you've decided that the prefix methods donʼt get a similar
treatment then we can close it.

Robert
--