Re: doublestroke

[Elspeth McGullicuddy <elspethmcgullicuddy@gmail.com>]

Hi,
I hopped you all had a merry Christmas :-)

In the very first working example:

\definefontfamily     [mainface] [rm] [Latin Modern Roman]
\definefallbackfamily [mainface] [mm] [TeX Gyre Termes Math]
[range={uppercasedoublestruck}]  %%%,letterlikesymbols}]
\definefontfamily     [mainface] [mm] [Latin Modern Math]
\setupbodyfont[mainface]
\starttext
\startformula
ABC \quad {\blackboard AB[C]DEFG[H]IJKLM[N]O[PQR]STUVWXY[Z]}
\stopformula
\stoptext

letters here in brackets weren't rendered as expected... Because there
are "holes
in the uft table" as can be seen there:
http://www.w3.org/TR/MathML2/double-struck.html

Adding the "bloks" "letterlikesymbols" was, to an extent solving the problem.
Now in my document I am also using calligraphic letters which I want
to remain in "modern".

1- WHAT DIDN'T WORK:
First idea that comes to me is modifying the file: math-act.lua

I have added all the lines that are commented out here.

blocks["uppercasedoublestruck"]               = { first = 0x1D538,
last = 0x1D550 } %0x1D551 is not attributed
%blocks["uppercasedoublestruckc"]               = { first = 0x02102,
last = 0x02102 } %
%blocks["uppercasedoublestruckh"]               = { first = 0x0210D,
last = 0x0210D } %
%blocks["uppercasedoublestruckn"]               = { first = 0x02115,
last = 0x02115 } %
%blocks["uppercasedoublestruckp"]               = { first = 0x02119,
last = 0x02119 } %
%blocks["uppercasedoublestruckq"]               = { first = 0x0211A,
last = 0x0211A } %
%blocks["uppercasedoublestruckr"]               = { first = 0x0211D,
last = 0x0211D } %
%blocks["uppercasedoublestruckz"]               = { first = 0x02124,
last = 0x02124 } %

It just didn't work. Compiled but fail to provided expected result:
Everything was in modern.

2- WHAT WORKED

\definefontfamily     [mainface] [rm] [Latin Modern Roman]
\definefallbackfamily [mainface] [mm] [TeX Gyre Termes Math]

[range={uppercasedoublestruck,0x02102,0x0210D,0x02115,0x02119,0x0211A,0x0211D,0x02124}]
\definefontfamily     [mainface] [mm] [Latin Modern Math]
\setupbodyfont[mainface]
\starttext
\startformula
\int_a^b \quad ABC \quad {\blackboard AB[C]DEFG[H]IJKLM[N]O[PQR]STUVWXY[Z]}
\stopformula
\stoptext

3-QUESTION

Unless I'm completely wrong, the modification I've made to the file:
math-act.lua
haven't been taken into account at all:
even if I modify the line "uppercasedoublestruck" such as to reduce the range:

blocks["uppercasedoublestruck"]               = { first = 0x1D538,
last = 0x1D540 }

my \blackboard UVXY keep to be rendered with term...

So why?

Regards,
Chris
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : http://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________