[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XML spec: Why is colon ':' a NameStartChar?
On Tue, December 3, 2013 8:41 am, Hermann Stamm-Wilbrandt wrote: > Why is colon ':' a NameStartChar [A]? Because it is. > It produces XML parsing error. Arguably, it produces a 'Namespaces in XML' [1] namespace-validity error. > I found nothing in the errata [B], what am I missing? That your XML processor supports both XML 1.0 and Namespace in XML 1.0 (or 1.1 and 1.1)? Section 2.3, Common Syntactic Constructs, [2] of XML 1.0 includes this note: The Namespaces in XML Recommendation [XML Names] assigns a meaning to names containing colon characters. Therefore, authors should not use the colon in XML names except for namespace purposes, but XML processors must accept the colon as a name character. and Namspaces in XML 1.0 includes this definition [3]: [Definition: A namespace-well-formed document is namespace-valid if it is valid according to the XML 1.0 specification, and all tokens other than element and attribute names which are REQUIRED, for XML 1.0 validity, to match the XML production for Name match this specification's production for NCName. ] where NCName [4] is: [4] NCName ::= Name - (Char* ':' Char*) /* An XML Name, minus the ":" */ Regards, Tony Graham tgraham@mentea.net Consultant http://www.mentea.net Mentea 13 Kelly's Bay Beach, Skerries, Co. Dublin, Ireland -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- XML, XSL-FO and XSLT consulting, training and programming Chair, Print and Page Layout Community Group @ W3C [1] http://www.w3.org/TR/xml-names/ [2] http://www.w3.org/TR/xml/#sec-common-syn [3] http://www.w3.org/TR/xml-names/#Conformance [4] http://www.w3.org/TR/xml-names/#NT-NCName
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