math problems in last beta (cont-en and cont-xp)

[Lutz Haseloff <lutz.haseloff@googlemail.com>]

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Hi Hans, hi Taco, hi all,

testing math with the latest ConTeXt beta i found some problems.
My test file is:

\usetypescriptfile[type-buy]
\def\currentfontname
{\ctxlua{tex.print(font.getfont(font.current()).fullname)}}
\starttext
\startbuffer[mathbuffer]
\currentfontname

$a^2 + b^2 = c^2$

$E = mc^2 \bigotimes \sum$

$α^2 + β^2 = γ^2$
\blank[big]
\stopbuffer
\getbuffer[mathbuffer]
\usetypescript[lucida][texnansi]
\setupbodyfont[lucida]
\getbuffer[mathbuffer]
\usetypescript[cambria]
\switchtotypeface[cambria]
\getbuffer[mathbuffer]
\usetypescript[palatino]
\switchtotypeface[palatino]
\getbuffer[mathbuffer]
\stoptext

Latin Modern and Palatino/px work very fine.

Lucida lacks greek and some operators. I found no embedded LucidaNewMath
fonts
in the resulting pdf.

Cambria has a very ugly spacing.

btw. in the wiki is described a ConTeXt command \showmathcharacters.
This seems not to work anymore. The related file math-run.tex is not
input at the time of format generation.

Greetings Lutz

P.S. will the key [texnansi] (or [ec]) remain necessary to switch to
LucidaBright?

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