AsciiMath Power issue, only letters f and g

Created by: frans-morville

Extremely happy with Mathjax!! Thanks! This looks very strange, see position of minus sign.

2^e-3 yields 2^e-3
2^f-3 yields 2^f-3
2^g-3 yields 2^g-3
2^h-3 yields 2^h-3