[OS X TeX] Intermingling fonts using Fontspec

[Signups]

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
>
> Universidad de Navarra,
> Pamplona, Spain
>
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------------------------- Helpful Info -------------------------
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TeX FAQ: http://www.tex.ac.uk/faq
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