isRichlyEditablePosition   56 Source/core/editing/Caret.cpp     return isRichlyEditablePosition(m_position.deepEquivalent());
isRichlyEditablePosition  724 Source/core/editing/VisibleSelection.cpp     return isRichlyEditablePosition(start());
isRichlyEditablePosition  160 Source/core/editing/htmlediting.h bool isRichlyEditablePosition(const Position&, EditableType = ContentIsEditable);