1-char shortcuts to change annotation mode in note tool mode. 
1-char shortcuts to change annotation mode in note tool mode. 
WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,WoLpH/skim,WoLpH/skim