Math and bold font

["Procházka Lukáš Ing. - Pontex s. r. o." <LPr@pontex.cz>]

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Hello all,

I'd to explain some effects in the .pdf from the code bellow. It was copied from co-font.pdf, pg. 19-20; just "Abc" was added to try something.

---
\enableregime[cp1250]

\starttext
   $Abc\sqrt{625}=5\alpha$
   $\bf Abc\sqrt{625}=5\alpha$
   $Abc\sqrt{625}=\bf5\alpha$
   $\bfmath Abc\sqrt{625}=5\alpha$

   \definetypeface[whow][mm][math,boldmath][modern][default]%[encoding=texnansi]
                                                            []

   $Abc\sqrt{625}=5\alpha$
   $\bf Abc\sqrt{625}=5\alpha$
   $Abc\sqrt{625}=\bf5\alpha$
   $\bfmath Abc\sqrt{625}=5\alpha$

   \usetypescriptfile[typeface]

   $Abc\sqrt{625}=5\alpha$
   $\bf Abc\sqrt{625}=5\alpha$
   $Abc\sqrt{625}=\bf5\alpha$
   $\bfmath Abc\sqrt{625}=5\alpha$
\stoptext
---

Things I cannot do or understand:

- The "alpha" symbol is not printed as soon as it's used in \bf or \bfmath mode (lines 2-4 in each paragraph). Why? How to make it appear?

- - The same effect may be observed in the co-fonts.pdf at the pg. 19 at the lowest line - there is bold font working, but "alpha" is missing as well.

- - - Unfortunately, there is no fully working example in the document with bold math and "alpha" together.

- In my example, normal (thin) "Abc" is shown a bit slanted (as should be in math mode). Once it is used in bold math mode, it's no more slanted but "vertical" as normal text. Is there a way how to keep the "slantedness" even in math bold mode? (This is e.g. often used to mark vectors.)

Kind regards,

Lukas


-- 
Ing. Lukáš Procházka [mailto:LPr@pontex.cz]
Pontex s. r. o.      [mailto:pontex@pontex.cz] [http://www.pontex.cz]
Bezová 1658
147 14 Praha 4

Tel: +420 244 062 238
Fax: +420 244 461 038

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\enableregime[cp1250]

\starttext
  $Abc\sqrt{625}=5\alpha$
  $\bf Abc\sqrt{625}=5\alpha$
  $Abc\sqrt{625}=\bf5\alpha$
  $\bfmath Abc\sqrt{625}=5\alpha$

  \definetypeface[whow][mm][math,boldmath][modern][default]%[encoding=texnansi]
                                                           []

  $Abc\sqrt{625}=5\alpha$
  $\bf Abc\sqrt{625}=5\alpha$
  $Abc\sqrt{625}=\bf5\alpha$
  $\bfmath Abc\sqrt{625}=5\alpha$

  \usetypescriptfile[typeface]

  $Abc\sqrt{625}=5\alpha$
  $\bf Abc\sqrt{625}=5\alpha$
  $Abc\sqrt{625}=\bf5\alpha$
  $\bfmath Abc\sqrt{625}=5\alpha$
\stoptext

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