math punctuation

[Hans Hagen <pragma@wxs.nl>]

Hi,

Since math punctuation was on my todo list anyway, i added it to the core. 
Instead of the hard codes stuff, i made them proper math symbols.

By default we have now defined:

\startmathcollection[default]

   \definemathsymbol [mathperiod] [ord]   [mi] ["3A]
   \definemathsymbol [textperiod] [punct] [mi] ["3A]

   \definemathsymbol [mathcomma]  [ord]   [mi] ["3B]
   \definemathsymbol [textcomma]  [punct] [mi] ["3B]

\stopmathcollection

and:

\definemathpunctuation . mathperiod textperiod
\definemathpunctuation , mathcomma  textcomma

which means that

\enablemathpunctuation % can go into cont-sys.tex if needed

$(1,2) (1, 2) (1{,}2) \hbox {foo, bar}$

give the desired results.

This will be available in the next beta.

I think that adding ; and : also makes sense, but i first want to know what 
the french requirements are,

PS. For the real hackers among us: one can swap comma's and periods in math 
by saying

\definemathpunctuation . mathcomma  textperiod
\definemathpunctuation , mathperiod textcomma

Hans
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                                   Hans Hagen | PRAGMA ADE | pragma@wxs.nl
                       Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
  tel: +31 (0)38 477 53 69 | fax: +31 (0)38 477 53 74 | www.pragma-ade.com
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