# [OS X TeX] Intermingling fonts using Fontspec

Signups signups at norvelle.org
Sat Feb 17 14:18:44 EST 2007

```Greetings,

I've just figured out the answer to my own question.  If I define the
command \gk{} as follows,

\newcommand{\gk}[1]{\fontspec{Porson}#1\rmfamily}

things turn out much better.

Saludos
Erik Norvelle

Signups wrote:
> Greetings all,
>
> First off, thanks for the quick response to my earlier question about
> speeding up rendering.  I've got a new question that's been baffling
> me regarding switching between fonts.  I think I'm doing something
> wrong, but I can't seem to figure out how to make things work right.
>
> My issue is that I need to be able to switch between a standard serif
> font (in this case, I'm using Times New Roman) for the body of my
> work, and the Greek font Porson, which I use to typeset Greek words
> and citations.  I chose Porson because of its superior readability in
> longer passages.
>
> To switch fonts, I declared a command \gk{} to use the Fontspec
> package as follows:
>
> \newcommand{\gk}[1]{\fontspec{Porson}#1}
>
> XeTeX (LaTeX?) seems to be smart enough to switch back to my standard
> roman font after the end of the final brace.  However, there are some
> strange effects that occur after I've included my first Greek citation
> in the text.  In particular, the Unicode combined double quote mark
> disappears, as does the opening single-quote mark.  Also, if the
> sentence as a whole is in a section heading, the heading begins in
> bold, but after the Greek it continues in normal weight.  Also, the
> FreeSerif font seems to suddenly turn on ligatures (although I'm not
> sure that Greek is the cause).
>
> There must be some way to tell XeTeX to switch on Porson Greek for a
> certain selection of text, and then revert back to the standard Roman
> font, without losing the font features of the overall text group, or
> causing weird font effects to appear in the following text.
>
> All help greatly appreciated in advance.
>
> Saludos
> Erik Norvelle
>
> Pamplona, Spain
>
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