usage: usage: a2x [OPTIONS] ASCIIDOC_FILE
a2x: error: argument --xsltproc-opts: expected one argument
a2x -v --doctype manpage \
	--format manpage \
	--destination-dir `dirname ../docs/man/man1/halstreamer.1` \
	--xsltproc-opts --nonet \
	-a mansource=LinuxCNC \
	-a manmanual='LinuxCNC Documentation' \
	../docs/src/man/man1/halstreamer.1.txt
usage: usage: a2x [OPTIONS] ASCIIDOC_FILE
a2x: error: argument --xsltproc-opts: expected one argument