version

The format and version of the feed.

Here is the complete list of known feed types and versions that may be returned in version:

rss090
RSS 0.90
rss091n
Netscape RSS 0.91
rss091u
Userland RSS 0.91 (differences from Netscape RSS 0.91)
rss10
RSS 1.0
rss092
RSS 0.92
rss093
RSS 0.93
rss094
RSS 0.94 (no accurate specification is known to exist)
rss20
RSS 2.0
rss
RSS (unknown or unrecognized version)
atom01
Atom 0.1
atom02
Atom 0.2
atom03
Atom 0.3
atom
Atom (unknown or unrecognized version)
cdf
CDF
hotrss
Hot RSS

If the feed type is completely unknown, version will be an empty string.

Tip
This element always exists, although it may be an empty string if the version can not be determined.
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