RSS feed manipulation is alive

[Daniel Sheppard]

 <<fix_xml.rb>> Requires some fiddling. You need to require the fix_xml
in your mousehole launcher, this provides:

- the ability to manipulate RSS/ATOM feeds
	- only for application/xml+atom and text/xml mime types
	- all output will be as an ATOM 1.0 feed

- the ability to cancel the manipulation of a page by raising
MouseHole::CancelRewrite
	- this allows you to decide whether or not your script should
execute from within the script.
	- helps to avoid both the overhead and error potential of page
reconstruction.

Then you can use the attached "Atomic Mouse" user script, wherein you
enter in an RSS/ATOM path and an Xpath for extracting from the
full-content page to create a full-content ATOM feed. The script will
cache page content so that you don't incur the wrath of an angry
webmaster. The cache is cleared upon modification of the xpath rule -
I'll probably change it to also keep an eye on the last updated time on
the feed entry as well.



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