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CoreText Changes for Swift

CoreText

Declaration
From
func CTFontDescriptorMatchFontDescriptorsWithProgressHandler(_ descriptors: CFArray, _ mandatoryAttributes: CFSet?, _ progressBlock: CoreText.CTFontDescriptorProgressHandler) -> Bool
To
func CTFontDescriptorMatchFontDescriptorsWithProgressHandler(_ descriptors: CFArray, _ mandatoryAttributes: CFSet?, _ progressBlock: @escaping CoreText.CTFontDescriptorProgressHandler) -> Bool

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