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   RE: How to ??

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  • From: David Megginson <david@megginson.com>
  • To: keshlam@us.ibm.com
  • Date: Wed, 17 Mar 1999 06:59:36 -0500 (EST)

keshlam@us.ibm.com writes:

 > In the DOM world, default attribute values should show up
 > automatically as attributes of the elements they apply to. The
 > Attr.isSpecified() method can be used to distinguish between a
 > default and an explicitly entered attribute. Note that even if an
 > explicit value is the same as the default, it is considered
 > Specified. Note too that unless you use a validating parser, the
 > whole concept of default attributes is moot.

Would that it were so simple -- in fact, while the XML REC requires
validating parsers from reading default attribute values, it does not
forbid non-validating parsers to use them.  In fact, both AElfred and
Expat (both of which are non validating) do recognise and use default
attribute values.

All the best,


David Megginson                 david@megginson.com

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