Re: PaceCategoryRevised posted

[Antone Roundy]

On Tuesday, November 9, 2004, at 12:54  PM, Zhang Yining wrote:
==== 5.13 The "atom:category" element ====
A Category Construct identifying a category to which the entry is
associated.  atom:entry elements MAY contain
any number of atom:category elements.

Does the absence of category construct for entry imply the category of 
the entry defaults to that of the feed? I guess not. Need to clarify 
this bit.
My first reaction is that entry/category would need to override 
feed/category to avoid weirdness when an off-topic entry gets posted. 
If there's an entry/category, override, otherwise inherit. That could 
lead to duplication though, if, for example, the feed/category was 
"programming" and the entry wanted to be about both "programming" and 
"linux". Perhaps that would be the uglier situation (more common?). So 
maybe inherit always, and entry/category adds to the category list. Hmm.

== Notes ==
Example:
<category scheme="http://dmoz.org"; term="/Arts/Animation/" 
label="Animation" />

Do we allow multiple category construct with the same (scheme, term) 
but different labels? In following example, the second label is the 
Chinese translation for "Animation".

<entry>
   <category scheme="http://dmoz.org"; term="/Arts/Animation/" 
label="Animation" />
   <category scheme="http://dmoz.org"; term="/Arts/Animation/" label="å 
ç" />
</entry>

If <category> is a Text Construct (with a few additional attributes), 
xml:lang would serve well:

<entry>
   <category scheme="http://dmoz.org"; 
term="/Arts/Animation/">Animation</category>
   <category scheme="http://dmoz.org"; term="/Arts/Animation/" 
type="HTML">&lt;blink&gt;Animation &lt;/blink&gt;</category>
   <category scheme="http://dmoz.org"; term="/Arts/Animation/" 
xml:lang="zh">å ç</category>
</entry>

(NOTE: xml:lang omitted from the first two, assuming that's the default 
language for the feed).

Otherwise, we might go with this:
<entry>
   <category scheme="http://dmoz.org"; term="/Arts/Animation/">
      <label>Animation</label>
      <label type="HTML">&lt;blink&gt;Animation &lt;/blink&gt;</label>
      <label xml:lang="zh">å ç</label>
   </category>
</entry>
...which is shorter when you want multiple labels, but longer otherwise.