WM_TB            4499 Source/core/css/CSSPrimitiveValueMappings.h     case WM_TB:
WM_TB            4520 Source/core/css/CSSPrimitiveValueMappings.h         return WM_TB;
WM_TB             365 Source/core/rendering/style/SVGRenderStyle.h     bool isVerticalWritingMode() const { return writingMode() == WM_TBRL || writingMode() == WM_TB; }