# [NTG-context] non-integer bodyfont size

Hans Hagen pragma at wxs.nl
Fri May 11 19:59:22 CEST 2007

```Sanjoy Mahajan wrote:
> I'm a bit confused about font sizes.  I had a bunch of missing \Delta
> symbols in inline math (e.g. \$\Delta x\$), which I tracked down to
>
> \setupbodyfont[10.5pt]
>
> The non-integral point size works for text but not for math (the \Delta
> turned into a backquote).  How to fix that?
>
> type-siz.tex has several sections to which I could add
> \definebodyfontenvironment or \definebodyfont lines.  Which sections
> would I add to?  Or can I put the additions outside of that file?  And,
> most crucially, what are the magic lines :-)
>
> Thanks for suggestions, which I'll wikify.
>
you need to define a bodyfont environment

Hans

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