 <span class='kw'>=</span> <span class='kw'>NULL</span>,
  <span class='kw'>major_label_text_align</span> <span class='kw'>=</span> <span class='st'>"left"</span>,
  <span class='kw'>major_label_text_alpha</span> <span class='kw'>=</span> <span class='fl'>1</span>,
  <span class='kw'>major_label_text_baseline</span> <span class='kw'>=</span> <span class='st'>"bottom"</span>,
  <span class='kw'>major_label_text_color</span> <span class='kw'>=</span> <span class='st'>"#444444"</span>,
  <span class='kw'>major