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- Attr.ClassUseCDATA
- TYPE: bool/null
- DEFAULT: null
- VERSION: 4.0.0
- --DESCRIPTION--
- If null, class will auto-detect the doctype and, if matching XHTML 1.1 or
- XHTML 2.0, will use the restrictive NMTOKENS specification of class. Otherwise,
- it will use a relaxed CDATA definition. If true, the relaxed CDATA definition
- is forced; if false, the NMTOKENS definition is forced. To get behavior
- of HTML Purifier prior to 4.0.0, set this directive to false.
-
- Some rational behind the auto-detection:
- in previous versions of HTML Purifier, it was assumed that the form of
- class was NMTOKENS, as specified by the XHTML Modularization (representing
- XHTML 1.1 and XHTML 2.0). The DTDs for HTML 4.01 and XHTML 1.0, however
- specify class as CDATA. HTML 5 effectively defines it as CDATA, but
- with the additional constraint that each name should be unique (this is not
- explicitly outlined in previous specifications).
- --# vim: et sw=4 sts=4
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