This shortcode returns the correct part of the embedded content depending upon whether or not the content is being access through a feed.
[ELSE_blockfeed] conditional branching is supported.
Shortcode nesting is NOT supported.
[i4w_blockfeed] Display this on the page/post [ELSE_blockfeed] Display this in the feed Copyright (c) Mysite.com, http://mysite.com, All rights reserved. [/i4w_blockfeed]
There is no API function equivalent for this shortcode.