test -z "$NUMBERING" && NUMBERING=on
test -z "$PAPERCONF" && PAPERCONF=/etc/papersize
test -z "$PAPERSIZE" && test -f "$PAPERCONF" && \
	PAPERSIZE=`sed '/^#/d' "$PAPERCONF"`
test -z "$PAPERSIZE" && PAPERSIZE=a4
test -z "$LATEX_PARAMS" && LATEX_PARAMS="${PAPERSIZE}paper,notitlepage"
M4OPTIONS="$M4OPTIONS -D@w_doctype_parms=$LATEX_PARAMS"
test -z "$PIC_SUFFIX" && PIC_SUFFIX=eps