message: New feature demo: added border (line) to textbox
diff: @@ -2392,7 +2392,7 @@ function genSlides_Text(pptx) {
  slide.addText("Line-Breaks:", { x:7.5, y:0.5, w:'40%', h:0.38, color:'0088CC' });
  slide.addText(
  '***Line-Break/Multi-Line Test***\n\nFirst line\nSecond line\nThird line',
  - { x:7.5, y:0.85, w:5.25, h:1.6, valign:'middle', align:'ctr', color:'6c6c6c', fontSize:16, fill:'F2F2F2' }
  + { x:7.5, y:0.85, w:5.25, h:1.6, valign:'middle', align:'ctr', color:'6c6c6c', fontSize:16, fill:'F2F2F2', line:{pt:'2',color:'C7C7C7'} }
  );
  slide.addText("Line-Spacing (text):", { x:7.5, y:2.6, w:'40%', h:0.38, color:'0088CC' });
  