cross reference preprocessor
−x ] groff_arguments
is a simple preprocessor for groff, it is used for
expanding cross references in mm, see
groff_mm(7). groff is executed twice, first
with −z and −rRef=1 to collect all
cross references and then to do the real processing when the
cross reference file is up to date.
Just create the cross reference file. This can be used
to refresh the cross reference file, it isn't always needed
to have accurate cross references and by using this option
groff will only be run once.
groff_mmse(7) (only in Swedish locales),
groff(1), troff(1), tbl(1),
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