From MozillaZine Knowledge Base
Firefox 2.0 introduces in-browser feed handling. In the feed preview interface, users can choose to subscribe to the feed using an application or web site. This preference determines the default application used to subscribe to feeds when browser.feeds.handler.default is set to “client”.
Possible values and their effects
The path to the local feed reading application for feed subscriptions.
First checked in
Has an effect in
- Mozilla Firefox (nightly builds since 2006-07-21; 2.0)