0.1 28 February, 2000 NSMutableAttributedString Foundation/NSAttributedString.h NSCoding addAttribute:namevalue:value addAttributes:attributes appendAttributedString:attributedString beginEditing deleteCharactersInRange:aRange endEditing insertAttributedString:attributedString mutableString removeAttribute:namerange:aRange replaceCharactersInRange:aRangewithAttributedString:attributedString replaceCharactersInRange:aRangewithString:aString setAttributedString:attributedString setAttributes:attributes