Jonathan Kew wrote:

This way, *all* rules, not merely TeX's "math rules", get rendered through the same mechanism as text characters.

maybe ok for math, but not for other purposes; rules are used for all kind of applications and making them characters influences cut and paste, make use in other applications fuzzy, introduces potential problems with draw/fill differences between font raterizer and graphic engine (not to speak of side effects due to anti aliasing, caching, shading, transparency); so .. i prefer a math specific solution Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------