Last modified: 2010-04-03 15:00:58 UTC
Create a new page and enter: <math>\leq a</math> <math>\leq b</math> <math>\leq c</math> In PNG rendering mode (the default), the a and c lines look normal. But the spacing in the b line is wrong, there is much more whitespace.
This no longer seems to be a problem. Probably related to bug 16719.