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- From: John Cowan <cowan@locke.ccil.org>
- To: xml-dev@ic.ac.uk
- Date: Tue, 30 Jun 1998 12:33:38 -0400 (EDT)
Ron Bourret scripsit:
> The DTD syntax is:
>
> <!ATTLIST ElementDecl ... Root (True | False) "False">
As I posted earlier today, I favor this idea, but I dislike this
syntax. Because of the #*$# interoperability restriction, we
should avoid using "True" and "False" for any attribute values.
Also, boolean attributes in general often indicate a poorly
thought out design (See _Writing Solid Code_). Just what is "true"
or "false" anyway? That it must be a root? No. That it can be a root?
No (anything can be a root). That it should be a root? No. "False"
ends up meaning "It shouldn't be a root", but "true" has no specific meaning.
I propose: Root (Useful | NotUseful) "NotUseful".
--
John Cowan cowan@ccil.org
e'osai ko sarji la lojban.
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