From googling around it looks like the old google bug returned ....
http://groups.google.com/group/Google_Webmaster_Help-Tools/browse_thread/thread/4e43c2efecb881cf?pli=1
My sitemap index file and the sitemap itself are checked here: http://www.validome.org/google/validate
but Google Webmaster Tools says:
Missing XML tagThis required tag is missing. Please add it and resend.
P.S. , , XMLWriter, , XML...
UPDATE , , ... ... , , , , URL- sitemap, , , ...
, - .
XML, , . , XML ( Google), , , XML, , , Google - , XML.
Google , Sitemap, , -, .
, : , . , . , , . , , , .
, , : Sitemap, , Google . , , , , . , - sitemap (, http://www.google.com/hostednews/sitemap_index.xml), .
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