This document is a case study that shows how UserLand's weblog tool and aggregator both support comments. By illustrating this, I'm hoping that other tools and aggregators will also use this feature of RSS.
Don Park is a friendly guy and I imagine he won't mind if I use his weblog as an example.
Look at his RSS feed, and look at any
I subscribe to Don's feed. When I see one of his items, in the rightmost column, just below the POST icon is a picture of a pencil. When I click on the pencil, Radio opens a little window containing the comments for that item, and it's ready for me to enter my own comments. Here's a screen shot that shows what the aggregator window looks like.
If you make a weblog tool that supports comments, your RSS feed should also support