usage: /usr/bin/post-grohtml [-bCGhlnrVy] [-F font-directory] [-j output-stem] [-k encoding] [-s base-type-size] [-S heading-level] [-x html-dialect] [file ...]
usage: /usr/bin/post-grohtml {-v | --version}
usage: /usr/bin/post-grohtml --help

Translate the output of troff(1) into (X)HTML.  See the grohtml(1)
manual page.