Bad Character Definition

[Willy Sudiarto Raharjo]

Hello,

When i execute man rev, i got the following errors in the beginning of
the manual page:

/usr/share/groff/1.20.1/tmac/doc.tmac:3375: bad character definition

I checked the file and i got this line
.char \- \N'45'

what does it supposed to mean?
When i removed the line, it works

Thanks

PS:
I'm running Slackware-Current with groff 1.20.1


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Willy Sudiarto Raharjo
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