When is an attribute an attribute?

[Murray Maloney]

At 10:21 AM 4/7/98 -0400, Tyler Baker wrote:
>If you are modeling an object which will never change at all 
>(like a Rectangle) then you would be best to do something like this:
>
><RECTANGLE x="0" y="0" width="0" height="0"/>
>
This is a very good example of when attributes are optimal.
In this case, the attributes are object properties,
rather than children of the object.

Even so, a RECTANGLE element could use containment
to better advantage for cases where there are many, 
possibly disjoint name/value pairs or collections.

<RECTANGLE>
	<ORIGIN><X>0</X><Y>0</Y></ORIGIN>
	<SIZE><DX>7in</DX><DY>9in</DY></SIZE>
	<LABEL>My Pretty Rectangle</LABEL>
	<IMAGE>floral.jpeg</IMAGE>
	<BACKGROUND>gold</BACKGROUND>
	<FOREGROUND>blue</FOREGROUND>
	<FORM><SUBMIT/></FORM>
	<ETC>...</ETC>
</RECTANGLE>



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