Log Message:
Update to 0.530:

0.530 Tue Feb  1 13:09:31 GMT 2005
	- Allow scalar references for the OUTPUT parameter, inspired by
	   Simon Oliver's XML::Writer::String (patch from Yanick Champoux)
	- Added ENCODING parameter; currently only UTF-8 is supported
	- Escape newlines in attribute values

0.520 Wed Sep  1 16:18:46 BST 2004
	- Fixed bug with forced declaration of the default namespace (#7266)
	- Removed dead code. Added copyright notices to pod.
	- Improved test coverage

0.510 Tue May 25 19:46:04 BST 2004
	- Permitted in-document namespace prefix control
	- Don't reopen STDOUT for output (closes #6232)
	- Moved tests into t/. Added tests for mid-document namespace changes.
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