[NTG-context] ' undefined inside \startformula .. \stopformula

[Sanjoy Mahajan]

Aditya>>> This is a typo in math-pln.tex. The end of the file should be

Hans>> this trickery is related to a change in the catcode management of
Hans>> context (which interferes with some plain tex left-overs)

Taco> Hans has uploaded a new version, with fix (context 2006.12.27).

Just tested on my test file and it works.  Thanks to all,

-Sanjoy

`Not all those who wander are lost.' (J.R.R. Tolkien)