[DOMCore] unparseable sentence in §5.6.1

This text from §5.6.1 is an unparseable run-on sentence:
> Unless explicitly given when an |Attr 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#attr>| 
> object is created, its namespace 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-namespace> 
> and namespace prefix 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-namespace-prefix> 
> are null and its qualified name 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-qualified-name> 
> is its namespace prefix 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-namespace-prefix>, 
> followed by a "|:|" (U+003A), followed by its local name 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-local-name>, 
> if its namespace prefix 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-namespace-prefix> 
> is not null, or otherwise qualified name 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-qualified-name> 
> is just its local name 
> <http://dvcs.w3.org/hg/domcore/raw-file/tip/Overview.html#concept-attr-local-name>.