docs: function parse_themeElements(data, themes, opts) {
  	themes.themeElements = {};
  
  	var t;
  
  	[
  		/* clrScheme CT_ColorScheme */
  		['clrScheme', clrsregex, parse_clrScheme],
  		/* fontScheme CT_FontScheme */
  		['fontScheme', fntsregex, parse_fontScheme],
  		/* fmtScheme CT_StyleMatrix */
  		['fmtScheme', fmtsregex, parse_fmtScheme]
  	].forEach(function(m) {
  		if(!(t=data.match(m[1]))) throw new Error(m[0] + ' not found in themeElements');
  		m[2](t, themes, opts);
  	});
  }