# Re: [NTG-context] bug in font size switches?

```Pablo Rodriguez <mailto:oi...@gmx.es>
17. Oktober 2016 um 20:07
Dear list,```
```
from the previous message from Csikos, I have generated the following
sample:

\setupbodyfontenvironment[default][a=5, x=8, xx=6]
\starttext
Default {\tfa Larger} {\tfx Smaller1} {\tfxx Smaller1} \\
Default \tfa Larger \tfx Smaller2 \tfxx Smaller2
\stoptext

I can set a different value for a, but not for x or xx. The values for x
and xx seem to be hardcoded.

If this isn’t a bug, what am I missing here?
```
The default sizes (12pt, 11pt etc.) have fixed values for x and xx, you can see them in font-pre.mkiv:
```
\definebodyfontenvironment
[\!!twelvepoint]
[        \s!text=\!!twelvepoint,
\s!script=\!!ninepoint,
\s!scriptscript=\!!sevenpoint,
\s!x=\!!tenpoint,
\s!xx=\!!eightpoint,
\v!big=\!!fourteenpointfour,
\v!small=\!!tenpoint]

Wolfgang
```
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