Re: call for help with context

[Hans Hagen <pragma@wxs.nl>]

At 10:34 AM 3/9/01 +0100, Han The Thanh wrote:
>Hans,
>
>many thanks for the great hints -- it works now. But for completeness: how
>can I define a new style like \bf, \it in a new family? For example I tried
>a \zz style:
>
>\definebodyfont [12pt,11pt,10pt] [aa] [ 
>    tf=LexiconNo2RomanA-Txt8y,
>    zz=LexiconNo2RomanD-Txt8y]

you should add the sa 1 [scaled a 1 time the current bodyfont] otherwise it
gets the whatever-it-is design size

>but when switching to \zz, it seems to go into an endless loop: I had to
>use `killall pdfetex' to stop it. 

The number of families is limited in tex (which is quite annoying since
it's one of the reasons why macro(packages) are more complicated than
needed when it comes down to fonts). Families are kind of tricky anyway
since in math the fonts are resolved afterwards which means that one cannot
temporarily overload a family. 

In context, there are a number of predefined families
(tf,bf,sl,it,bs,bi,sc) and technically one can extend this list. One way is
to misuse a family that you would not use anyway, so using the bi slot fo
rinstance, but an alternative is to hitch hike on an existing one like: 

  tf=...,
  tfmine=LexiconFontWithAVeryLongAndFunnyNameEncodedInASpecialWayByThanh sa
1, 

This would behave like tfa etc, which is ok outside math; in the
bodyfontenvironment you could specify 'mine' as size 1 so that you could
say 'sa mine']. 

Hans  
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