Altova Mailing List Archives>Archive Index >xml-dev Archive Home >Recent entries >Thread Prev - Re: [xml-dev] Restrictions on existence of attributes? >Thread Next - Re: [xml-dev] Restrictions on existence of attributes? RE: [xml-dev] Restrictions on existence of attributes?To: "'Rick Jelliffe'" <rjelliffe@-------.---.-->,<xml-dev@-----.---.---> Date: 7/6/2006 8:07:00 AM > a toolmaker could easily make a system that checks whether one > RELAX NG schema is a restricted or xsd-style extension of > another. I disagree. Just because month has the value-set 1..12 and percentage has the value-set 1..100 does not mean that month is a subtype of percentage. Subtyping is a semantic relationship, not merely a syntactic one. Michael Kay http://www.saxonica.com/ | ||||||
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