[XeTeX] fontspec: loading different shapes/scales of one font as different font instances?

[David Perry]

The memoir class provides all sorts of options for redefining things, 
including the chapter/section headings.  I have never tried redefining 
the TOC but I wouldn't be surprised if memoir has provision for that too.

David

BPJ wrote:
> As the subject line says I wonder if it's possible
> with fontspec to load different shapes of the same
> font as different font instances?
> 
> The thing is I'm going to write a script which
> generates XeLaTeX source and where the user is to
> be able to choose their own fonts/shapes/sizes for
> elements like text and headings, and I hope to be
> able to define a font instance for each of these
> elements but not to have to check if they want,
> say, italic or smallcaps headings scaled n and
> stick in formatting commands if they do!
> 
> (Some of you may balk at italic/whatever headings,
> but in my case the linguistics anti-prescriptivism
> pill went down rather successfully, and I'd hate
> to be prescriptivist when I don't have to. Besides
> it is sometimes the case that bold is used with
> some technical signal value beside italics and
> I've found it convenient to set headings in
> smallcaps in such cases.[^1])
> 
> [^1]: This in turn requires an amount of
>     \addcontentsline gymnastics. I'd appreciate
>     pointers on methods/packages to globally styling
>     headings/toc entries independently of each other.
>     I'm probably showing my ignorance here, or my
>     needs/wishes are really fringe! texdoc'ing
>     "contents" or "toc" turns up nothing useful, and
>     section.sty seemeth to be an olde and arcane dogge
>     (at least to me!)
> 
> /BP 8^)>
>