bug#36253: 26.1; latex latin5 inputenc

[Eli Zaretskii]

> Date: Sun, 16 Jun 2019 16:46:11 -0400
> From: Daniel Gildea <gildea@cs.rochester.edu>
> 
> When emacs opens a latex file and sees
>  \usepackage[latin5]{inputenc}
> it thinks the character encoding is iso-8859-5,
> but according to the latex documentation at
>  http://texdoc.net/texmf-dist/doc/latex/base/inputenc.pdf 
> it should be iso-8859-9.
> 
> I think the line
>     ("latin5" . iso-8859-5)
> in lisp/international/latexenc.el should be
>     ("latin5" . iso-8859-9)

Thanks, I made that change, and also added the proper mapping for
latin10.