Re: Different rendering in latex doc between Windows, macOS and GNU/Linux

[Eli Zaretskii]

> Date: Sat, 26 Nov 2022 20:03:59 +0100 (CET)
> From: Angelo Graziosi <angelo.g0@libero.it>
> Cc: emacs-devel@gnu.org
> 
> > > The result of the above command is the same, both on Windows and 
> > > GNU/Linux but on GNU/Linux 'foo' is rendered in underline bold while on 
> > > Windows it is in italic. I create a foo.tex file with '\emph{foo}' on the 
> > > first line and with the cursor on 'f' of 'foo'. See the attachments..
> > 
> > The images show that the font you use on GNU/Linux doesn't have the italics
> > variant, so Emacs uses underline instead, per the defface:
> > 
> >   (defface italic
> >     '((((supports :slant italic))
> >        :slant italic)
> >       (((supports :underline t))
> >        :underline t)
> 
> Hmm.. this is strange. "emacs -q/Q" uses Monospace and in Emacs, 'Menu-Set 
> Default Font...' seems to show that Monospace has italic (see the attachment 
> taken with 'emacs -Q')! But really I tried with many fonts (Andale Mono, 
> Bitstream Vera Sans Mono, Courier, DejaVu sans Mono book, FreeMono, Noto...) 
> all listed with the the regular, italic, bold.. versions and with the same 
> negative results.
> 
> This does not occur on Windows or macOS.

Maybe it' isn't the font, but something else, I don't know.  The fact is
that Emacs says the face is 'italic', but displays it as underline.  And the
above says this happens when italics cannot be produced for some reason.

> Anyway, may you suggest a font to be used with Emacs in GNU/Linux to test 
> this?

Sorry, no.  I don't know what to suggest.  Maybe someone else does.