ASKBOT/askbot-devel — pull request #69 by markfreeman (2012-04-23 15:51:59+00:00)
Title: Added a new feed for unanswered questions only. 

As requested here: http://askbot.org/en/question/7131/can-we-have-a-feed-of-just-unanswered-questions

The main page RSS link changes urls dynamically if the unanswered scope is selected. This way the UI to the user is seamless with their selection for question filter.