tabSpanNode       528 Source/core/editing/CompositeEditCommand.cpp     Node* tabSpan = tabSpanNode(pos.containerNode());
tabSpanNode       444 Source/core/editing/EditingStyle.cpp         node = tabSpanNode(node)->parentNode();
tabSpanNode        70 Source/core/editing/htmlediting.h Node* tabSpanNode(const Node*);