On Jan 27, 2013, at 7:09 AM, Sietse Brouwer
This is because \startformula can take one optional argument in square brackets, and [x,x] is interpreted as that argument. You can make \startformula stop looking for [...] either by telling it to `\relax`, or by giving it an empty `[]` of its own to chew on.
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I can't quite find at the moment what sort of options the [...] can contain, sorry.
It takes the same options as \switchtobodyfont \starttext \startformula[] [x,x]_t = x \stopformula \startformula[small] [x,x]_t = x \stopformula \startformula[24pt] [x,x]_t = x \stopformula \stoptext ________________________________ This e-mail message (including any attachments) is for the sole use of the intended recipient(s) and may contain confidential and privileged information. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this message (including any attachments) is strictly prohibited. If you have received this message in error, please contact the sender by reply e-mail message and destroy all copies of the original message (including attachments).