Hello, I'm referring to CSS Syntax Module Level 3, Editor’s Draft, 30 April 2014 (http://dev.w3.org/csswg/css-syntax/) Section "4.3.10 Check if three code points would start an identifier" describes how to check if three code points would start an identifier. When the first code point is neither U+002D HYPHEN-MINUS, nor a name-start code point, nor U+005C REVERSE SOLIDUS the check should return false. Add the following to the end of the section: anything else Return false. Best regards Raffaello Giulietti
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