Re: bold math not mathitalic

[Hans van der Meer <hansm@science.uva.nl>]

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I am trying to define bold math myself, but encounter a problem with  
the typescripts.

Further probing into this matter (previous mail, see below) shows  
that the typescript delineated by ****'s is NOT USED AT ALL!
(Calling \setupformulas[method=bold] makes no difference).
It therefore does not seem a problem in the math family assignments  
in font-bfm.tex, as I first suspected.

Is there some special invocation needed for hooking up a user defined  
font set into $\bfmath ...$?
If have looked into font-bfm.tex  and font-ini.tex but could not  
figure it out.
Clearly I am misunderstanding the inner workings here, but I have no  
clue in which direction to look.

> I am using the follwing (extracted) typescript lines for math in  
> the lucida fonts:
>
> \starttypescript [luc]
>     \definetypeface [luc][mm][math][lucidayy][default] 
> [encoding=texnansi]
>     \definetypeface [luc][mm][bfmath][lucidayy][default] 
> [encoding=texnansi]
> \stoptypescript
>
> \starttypescript [math] [lucidayy] [default]
>     \definebodyfont [default] [mm]
>       [mr=MathRoman mo 1, mi=MathItalic mo 1, ....]
> \stoptypescript
>
************************************************************************ 
******
> \starttypescript [bfmath] [lucidayy] [default]
>     \definebodyfont [default] [mm]
>       [mrbf=MathRomanBold mo 1, mibf=MathItalicBold mo 1, ....]
> \stoptypescript
************************************************************************ 
******

> \starttypescript [math] [lucidayy] [name]
>   \definefontsynonym [MathRoman]         [LucidaBright]
>   \definefontsynonym [MathItalic]        [LucidaNewMath-AltItalic]
> \stoptypescript
>
> \starttypescript [math] [lucidayy] [texnansi,ec,8r]
>   \definefontsynonym [LucidaBright]                [hlhr8y]    
> [encoding=texnansi]
>   \definefontsynonym [LucidaNewMath-AltItalic]     [hlcrima]
> \stoptypescript
>
> \starttypescript [bfmath] [lucidayy] [name]
>   \definefontsynonym [MathRomanBold]     [LucidaBright-Demi]
>   \definefontsynonym [MathItalicBold]    [LucidaNewMath-AltDemiItalic]
> \stoptypescript
>
> \starttypescript [bfmath] [lucidayy] [texnansi,ec,8r]
>   \definefontsynonym [LucidaBright-Demi]           [hlhb8y]    
> [encoding=texnansi]
>   \definefontsynonym [LucidaNewMath-AltDemiItalic] [hlcdima]
> \stoptypescript
>
> Typesetting:
> \starttext
> \usetypescript[luc][texnansi]\setupbodyfont[luc,10pt]\lucidatrue
> {$\sqrt{a^2 + b^2} = c + \mf\sin{}x\quad {\ma NZRC}$}\crlf
> \stoptext
>  Gives me for the variables neatly LucidaNewMath-AltItalic.
*** Changing the fonts in the above typescript does work ***
>
> But typesetting
> \starttext
> \usetypescript[luc][texnansi]\setupbodyfont[luc,10pt]\lucidatrue
> {$\bfmath\sqrt{a^2 + b^2} = c + \mf\sin{}x\quad {\ma NZRC}$}\crlf
> \stoptext
> Gives me LucidaBright-Demi instead of LucidaNewMath-AltDemiItalic.
> Everything else however (even the blackletters from ma) are in the  
> correct bold math font.
> The font must be present, because substituting MathItalicBold for  
> MathItalic in the [math] script proves that.
*** But not coming from my typescript I conclude from several  
experiments ***


Hans van der Meer



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