[Utilities-announce] XML DTD DOCTYPE path

[utilities-announce-admin at ncbi.nlm.nih.gov]

The DTD DOCTYPE path has been changed from a relative link to a full link in 
the Entrez Programming Utilities, e.g.,:

<!DOCTYPE PubmedArticleSet PUBLIC "-//NLM//DTD PubMedArticle, 14th January 
2002//EN" "http://www.ncbi.nlm.nih.gov/entrez/query/DTD/pubmed_020114.dtd">