PrecedingSiblingAxis 87 Source/core/xml/XPathParser.cpp { "preceding-sibling", Step::PrecedingSiblingAxis }, PrecedingSiblingAxis 291 Source/core/xml/XPathStep.cpp case PrecedingSiblingAxis: PrecedingSiblingAxis 296 Source/core/xml/XPathStep.cpp if (nodeMatches(n, PrecedingSiblingAxis, m_nodeTest))