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Show somewhat smartly formatted full-text entries using RSS 2.0 ```<content:encoded>``` tag.

Note, this does not use ```CDATA``` which is in the proper specification because it ends up breaking most clients, which try to be smart. It was removed from [feed.ejs#13 in this commit](https://github.com/johnmetta/google-plus-user-feed/commit/3857a8d93ceba625825ff5a83d1a3a300ee521e3#L1L13). Not sure which direction is best on this one, but not using ```CDATA``` allows me to properly post to clients and to WordPress through ifttt.com.