substringData      39 Source/core/dom/CharacterData.h     String substringData(unsigned offset, unsigned count, ExceptionState&);
substringData     164 Source/core/editing/ApplyBlockElementCommand.cpp     String textAtPosition = toText(textNode)->substringData(offset, 1, exceptionState);
substringData      55 Source/core/editing/DeleteFromTextNodeCommand.cpp     m_text = m_node->substringData(m_offset, m_count, exceptionState);
substringData      59 Source/core/editing/SplitTextNodeCommand.cpp     String prefixText = m_text2->substringData(0, m_offset, IGNORE_EXCEPTION);