Apple documentation is wrong; this change is only dependent on OS version.
Apple documentation is wrong; this change is only dependent on OS version.

Don't use +initialize in a category, as it's unsafe.
WoLpH/skim,WoLpH/skim,ycaihua/skim-app,WoLpH/skim,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim