Am 24.12.2008 um 19:47 schrieb Aditya Mahajan:

Hi,

The dsrom math font only works partially with MKIV, and I do not understand what is happening. Consider the following example from http://wiki.contextgarden.net/Doublestroke (which I wrote, after suggestions on the mailing list). One needs the fonts, which are part of TL and are also available at http://ctan.org/tex-archive/fonts/doublestroke/

This works correctly in MKII (Both E and 1 are shown in dsrom font). However, in MKIV the 1 is shown in LM Roman rather than dsrom.

Is this a bug in context font handling, or a bug in the typescript?

I think in the font handling because

\loadmapfile[dstroke.map]

\starttypescript [math] [modern,computer-modern,latin-modern,ams] [size]
  \definebodyfont [17.3pt,14.4pt,12pt] [mm]
    [mr=dsrom12 sa 1]
  \definebodyfont [11pt,10pt,9pt] [mm]
    [mr=dsrom10 sa 1]
  \definebodyfont [8pt,7pt,6pt,5pt,4pt] [mm]
    [mr=dsrom8 sa 1]
\stoptypescript

\definetypeface [modern] [mm] [math] [modern] [ams] [encoding=texnansi]

\setupbodyfont[modern,10pt]

\definefamilysynonym [default] [doublestroke] [mr]

\def\dstroke{\fam\purefamily{doublestroke}}

\def\doublestroke#1{{\dstroke#1}}

\starttext
$\doublestroke{E} \doublestroke{1}$
\stoptext

works with MkIV (I used mr).

Wolfgang

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