code: function createElement( options ) {
  	var opts;
  	var err;
  	opts = copy( defaults );
  	if ( arguments.length ) {
  		err = validate( opts, options );
  		if ( err ) {
  			throw err;
  		}
  	}
  	return render( opts );
  }
docs: CREATE ELEMENT // 
  FUNCTION: createElement( [options] )
  Generates an HTML string for displaying an SVG equation in a Github Markdown file.
  
  @param {Object} [options] - function options
  @param {String} [options.className='equation'] - element class name
  @param {String} [options.align='center'] - element alignment
  @param {String} [options.raw] - raw equation text
  @param {String} [options.label] - equation label
  @param {String} [options.src] - image source URL
  @param {String} [options.alt] - alternative image text
  @returns {String} HTML string