Index: Source/core/css/CSSSelector.cpp |
diff --git a/Source/core/css/CSSSelector.cpp b/Source/core/css/CSSSelector.cpp |
index 845ba540989f186659e93cfdac92d5e481effdf3..a0e10c238dcad92825a9358dde9dad8273dc8ca3 100644 |
--- a/Source/core/css/CSSSelector.cpp |
+++ b/Source/core/css/CSSSelector.cpp |
@@ -483,7 +483,7 @@ CSSSelector::PseudoType CSSSelector::parsePseudoType(const AtomicString& name) |
if (name.startsWith("-webkit-")) |
return PseudoWebKitCustomElement; |
- if (name.startsWith("cue")) |
+ if (name.startsWith("x-") || name.startsWith("cue")) |
return PseudoUserAgentCustomElement; |
return PseudoUnknown; |