[OS X TeX] Strange ligatures

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Greetings all,

Your suggestions have enabled me to resolve all but one of the weird 
issues that have cropped up regarding fonts. 

As you'll recall, I'm mixing the Porson Greek font with Times New Roman 
as my main document font.  The one issue that remains is that Times New 
Roman suddenly begins to render with ligatures, in particular between 
the "s" and the "t".  However, it only does this in section and 
subsection headers, where font bolding is turned on.

Does anyone have a clue as to what might be causing this?  The same 
effect occurs if I switch the main document font to "FreeSerif" as well.

Thanks in advance for any help,
Erik Norvell



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