I have seen this discussed once somewhere else, but I can't find it.  Here's
the problem: two equations in my document have been given numbers (1) and
(2), but the references to them come up as (2) and (3) respectively.  I have
used:

\definereferenceformat [ineqn] [left=(,right=),text=equation]

to obtain their references.

What is going on here?  And is there an easier way to obtain parentheses
around a reference number, so that "we see from equation (6)" instead of "we
see from equation 6"?

Thanks
Alasdair

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