• Working with Text Ranges

• Working with Character Indexes

• Getting Attributes and Length

• Managing Text Input

• attributedSubstringFromRange:

• attributesForCharacterIndex:lineHeightRectangle:

• bundleIdentifier

• characterIndexForPoint:tracking:inMarkedRange:

• insertText:replacementRange:

• length

• markedRange

• overrideKeyboardWithKeyboardNamed:

• selectedRange

• selectInputMode:

• setMarkedText:selectionRange:replacementRange:

• supportsUnicode

• validAttributesForMarkedText

• windowLevel

• IMKLocationToOffsetMappingMode

• IMKTextOrientationName