David Arnold wrote:

All,

If you're not aware of this one, consider:

\placeformula[-] \startformula [-2,2)=\{x:\, -2\le x < 2\}. \stopformula

Won't compile, but try:

\placeformula[-] \startformula\relax [-2,2)=\{x:\, -2\le x < 2\}. \stopformula

this is indeed a side effect of optional arguments 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 -----------------------------------------------------------------