Allow editing text of markup in outlineview, so it can be used to tag the text. 
Allow editing text of markup in outlineview, so it can be used to tag the text. 
WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,WoLpH/skim,WoLpH/skim,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app