07/12/21 20:43:01 SyATb3MZ0
URLリンク(pc.watch.impress.co.jp)
Feeds should not be served with the "text/plain" media type
Your feed appears to be encoded as "UTF-8", but your server is reporting "US-ASCII"
line 2, column 0: The prefix "sy" generally is associated with the namespace "URLリンク(purl.org)"
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