fix greek numbering, as there are two variants of sigma in Unicode
fix greek numbering, as there are two variants of sigma in Unicode
ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,WoLpH/skim,WoLpH/skim,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app