s='kw'>facet_nrow</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>facet_scales</span> <span class='kw'>=</span> <span class='st'>"fixed"</span>,
  <span class='kw'>caption</span> <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>caption_wrap</span> <span class='kw'>=</span> <span class='fl'>80</span>,
  <span class='kw'>font_family</span> <span class='kw'>=</span> <span class='st'>""</span>,
  <span class='kw'>font_size_title</span> <span class='kw'