在SO上有描述将iOS6.1SDK从Xcode4导入Xcode5的链接。我还想要的是同时拥有适用于iOS6.1的DocSet和Xcode5。我已经复制了/Applications/Xcode-4.6.3.app/Contents/Developer/Documentation/DocSets/com.apple.adc.documentation.AppleiOS6.1.iOSLibrary.docset到/Applications/Xcode.app/Contents/Developer/Documentation/DocSets/com.apple.adc.documentatio