[tex-k] minor errors in TeXbook Appendix G concerning genfrac

[Norbert Preining]

Hi Sophie!

> Thank you! These were found while building KaTeX, a TeX-inspired
> JavaScript formula typesetting library for the web:

Oh, good that I see someone from KaTeX - big big thanks for your work,
this is very very much appreciated!!!!

Norbert

--
PREINING Norbert                               http://www.preining.info
Accelia Inc.     +    JAIST     +    TeX Live     +    Debian Developer
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