message: Add transparency to line
diff: @@ -474,7 +474,7 @@ function slideObjectToXml(slide: PresSlide | SlideLayout): string {
  // shape Type: LINE: line color
  if (slideItemObj.options.line) {
  strSlideXml += slideItemObj.options.line.width ? `<a:ln w="${valToPts(slideItemObj.options.line.width)}">` : '<a:ln>'
  - strSlideXml += genXmlColorSelection(slideItemObj.options.line.color)
  + strSlideXml += genXmlColorSelection(slideItemObj.options.line)
  if (slideItemObj.options.line.dashType) strSlideXml += `<a:prstDash val="${slideItemObj.options.line.dashType}"/>`
  if (slideItemObj.options.line.beginArrowType) strSlideXml += `<a:headEnd type="${slideItemObj.options.line.beginArrowType}"/>`
  if (slideItemObj.options.line.endArrowType) strSlideXml += `<a:tailEnd type="${slideItemObj.options.line.endArrowType}"/>`
  