Blank value in attribute list

[Mallikarjuna Sangappa]

How does one specify in the DTD so that the attribute
is required and is one of the values of the possible
values.

<!ELEMENT title EMPTY>
<!ATTLIST title value (A|B|C|"") #REQUIRED>

Is the above possible? Thanks in advance.

CU,

Malliks






---Kay Michael <Michael.Kay at icl.com> wrote:
>
> > Is it possible to specify "" value in attribute
list
> > along with list other values. If so please
specify a
> > sample. Thanks in advance.
> 
> I hope I've understood your question.
> 
> You can certainly write <ELEM attr=""/> in XML, and
this is distinct from
> writing <ELEM/>; but be aware that there are a
number of interfaces in the
> DOM and in XSL that do not distinguish the two cases.
> 
> Mike Kay
> 
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