This is more than a bit off topic, but with all the accumulated
SGML/XML knowledge here, this seems as good a place as any for
a DTD design question.
I have a vague recollection of an article/conference paper which
argued that supplying default values for attributes, i.e.,
<ATTLIST foo bar (a|b) "a">, is an undesirable practice.
I've googled various combinations of 'SGML', 'XML', 'attribute',
'declaration', and 'default' without success. I'd appreciate
any pointers on- or off-line.
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