[Groff] checkeq functionality available?

[Steve M. Robbins]

Hi,

I'm not a troff person, but one of my users is.  After moving to
linux, he is missing the "checkeq" command.  According to the manpages
I found (search google for "checkeq"),

    checkeq reports missing or unbalanced delimiters and .EQ/.EN pairs.

Is there an equivalent using the groff tools?

Thanks,
-Steve

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