Usage
show.asciidoc.table(x, include.rownames=FALSE, include.colnames=FALSE, rownames, colnames,
format="f", digits=2, decimal.mark=".", na.print="", caption,
caption.level, width=0, frame, grid, valign, header=FALSE,
footer=FALSE, align, col.width=1, style, lgroup, n.lgroup,
lalign="c", lvalign="middle", lstyle="h", rgroup, n.rgroup,
ralign="c", rvalign="middle", rstyle="h", tgroup, n.tgroup,
talign="c", tvalign="middle", tstyle="h", bgroup, n.bgroup,
balign="c", bvalign="middle", bstyle="h", ...)