# [XeTeX] Fake italics for some characters only

Ross Moore ross.moore at mq.edu.au
Wed Dec 5 12:48:03 CET 2018

BPJ and John Was,

Otherwise I have to authorize each of your postings.
This delays them being sent out to everyone.

Cheers.

Ross

On 05/12/2018, at 22:10, "BPJ" <bpj at melroch.se<mailto:bpj at melroch.se>> wrote:

@Zdenek, the point is that other characters inside \textit should be real italics. I at least have tried it using a macro around the "culprit" characters and I think it looks better than fake italics throughout, which looks really bad (shades of low-budget publications from the early eighties! :-). Anyway I'm working on a solution in my head which I'll try when I get back to my desktop. I think I'll try to use a boolean which I set/unset at the start/end of my "\mytextit and a single macro for the active characters which checks this boolean. I have no idea yet if it will work, but it seems the semantically cleanest way to do it to my mind.

/bpj

ons 5 dec. 2018 kl. 10:53 skrev Zdenek Wagner <zdenek.wagner at gmail.com<mailto:zdenek.wagner at gmail.com>>:
Hi,

I am afraid that I do not understand why to make only 4 FakeSlant
characters instead of a FakeSlant font. Does it mean that other
characters will remain upright inside \textit?

Anyway, making a few characters active for \textit is quite simple.
Let's suppose that A and B should be active. You then define:

\def\mytextit{\begingroup \catcode\A=13 \catcode\B=13 \dotextit}
\def\dotextit#1{\textit{#1}\endgroup}

You will then call \mytextit{Test of A and B}

Zdeněk Wagner
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st 5. 12. 2018 v 5:51 odesílatel Alan Munn <amunn at gmx.com<mailto:amunn at gmx.com>> napsal:
>
> Can you provide a bit more detail? Maybe a small example document?
>
> Alan
>
>
> Benct Philip Jonsson wrote:
> > I have a somewhat unusual problem. In a document produced using
> > XeLaTeX I need to use four Unicode letters with scarce font support in
> > italicized words and passages but the font which I have to use
> > supports these characters only in roman. The obvious solution is to
> > use the FakeSlant feature of fontspec but I don’t want to enclose
> > these characters in a command argument, in the hope that a future
> > version of the document can use an italic font which supports these
> > characters, but neither do I (perhaps needless to say) want to use
> > fake italics except for these four characters. In other words I would
> > like to perform some kind of “keyhole surgery” in the preamble and use
> > these characters normally in the body of the document, which I guess
> > means having to make them active and somehow detect when they are
> > inside the argument of \textit. (Note: it is appropriate to use
> > \textit rather than \emph here because the purpose of the
> > italicization is to mark text as being in an object language in a
> > linguistic text.) Is that at all possible? I guess I could wrap
> > \textit in a macro which locally redefines the active characters,
> > but I’m not sure how to do that, nor how to access the glyphs
> > corresponding to the characters once the characters are active. I am a
> > user who isn’t afraid of using and making the most of various packages
> > or of writing an occasional custom command to wrap up some repeatedly
> > needed operation, but I am no expert. I am aware of all the arguments
> > against fake italics — that is why I want to limit the damage as much
> > as possible! — but I have no choice here. Waiting for the/an
> > appropriate font to include italic versions of these characters is not
> > an option at the moment.
> >
> > /Benct
> >
> >
> >
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