Per-post comment RSS feeds
After following the thread on Sam Ruby's blog about Dave's comment tracking feature request, I figured I'd try RSS-izing comments on each of my posts. As things seem to have been going lately, I'd underestimated MovableType, and it turned out so much easier than I'd thought. :) I'd had an RSS feed for comments overall on my site, but now I have individual RSS feeds for each post. (Notice the in the comments section now.) The RSS feed is also linked in the head as per RSS autodiscovery discussions.
I don't think aggregators are really ready yet for these per-post comment RSS feeds, but the availability of the data gives food for hacking. Being that they're pretty disposable and of interest for a very short time, aggregators will likely need to implement expiry times for feeds, or watch for a period of inactivity before unsubbing. Grouing feeds would be nice too, in case I wanted to round up all my points of weblog discussion participation. I've got a few things of this sort in my AmphetaOutlinesWishList, with which I hope to play with further aggregator ideas.
If you use MovableType and you're interested in trying this, check out these two templates: recent_comments_rss.xml.tmpl, for blog-wide comments; and archive_entry.rss.tmpl, for per-post comments. The former template is added as an index template in MovableType, whereas the latter is an archive template. Also, the per-post archive template will need to be added to the list of individual archive templates in the Archiving section of your blog config. You'll want to give it a template for the filename, perhaps something like <$MTEntryID pad="1"$>.rss
.
At present, I'm publishing in what I think is vaguely RSS 0.92 format. Whether it complies with the spec, I'm not quite sure because I was lazy. I plan to revisit this soon to make it at least comply with RSS 1.0. ShareAndEnjoy.
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