Always throwing SyntaxError is probably better. Which reminds me, the specification needs to be updated for new-style exceptions.
- [selectors-api] NAMESPACE_ERR or SYNTAX_ERR when both ... Kang-Hao (Kenny) Lu
- Re: [selectors-api] NAMESPACE_ERR or SYNTAX_ERR w... Anne van Kesteren
- Re: [selectors-api] NAMESPACE_ERR or SYNTAX_E... Boris Zbarsky
- Re: [selectors-api] NAMESPACE_ERR or SYNT... Anne van Kesteren
- Re: [selectors-api] NAMESPACE_ERR or ... Boris Zbarsky
- Re: [selectors-api] NAMESPACE_ER... Anne van Kesteren
- Re: [selectors-api] NAMESPAC... Boris Zbarsky
- Re: [selectors-api] NAMESPACE_ER... Lachlan Hunt
- Re: [selectors-api] NAMESPAC... Lachlan Hunt
- Re: [selectors-api] NAMESPACE_ERR or SYNT... Aryeh Gregor
- Re: [selectors-api] NAMESPACE_ERR or ... Lachlan Hunt
- Re: [selectors-api] NAMESPACE_ERR or SYNTAX_E... Kang-Hao (Kenny) Lu