rel-in-reply-to: Difference between revisions

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(add explicit publishers and consumers spec text, add issues section with reply to multiple other posts question)
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== Consumers ==
== Consumers ==
=== WebMention ===
=== WebMention ===
If you site implements receiving WebMentions, implement the WebMention ping verification using <code>rel="in-reply-to"</code> as documented in the [http://webmention.org/ WebMention specification].
If your site implements receiving webmentions, implement the WebMention ping verification using <code>rel="in-reply-to"</code> as documented in the [http://webmention.org/ WebMention specification].
 
When your site receives a verified webmention with an "in-reply-to" link, provide a display of the webmention source on your webmention target page, e.g. as suggested in: [http://indiewebcamp.com/comment-presentation#Display_received_comments_brainstorm IndieWebCamp: comment presentation] (uses the [[h-entry]] at the source page to construct a comment on the target page with author, comment contents, date posted, etc.).


== Issues ==
== Issues ==

Revision as of 18:13, 10 April 2013

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rel=in-reply-to is proposed method for linking from a comment to the original post that the comment is a reply to.

Publishers

In a post that is a reply/response/comment to some other original post on the web, the hyperlink from the reply to the original should be marked up with the rel value in-reply-to.

Consumers

WebMention

If your site implements receiving webmentions, implement the WebMention ping verification using rel="in-reply-to" as documented in the WebMention specification.

When your site receives a verified webmention with an "in-reply-to" link, provide a display of the webmention source on your webmention target page, e.g. as suggested in: IndieWebCamp: comment presentation (uses the h-entry at the source page to construct a comment on the target page with author, comment contents, date posted, etc.).

Issues

Replying To Multiple Original Posts

What if a post is a reply/response/comment to multiple other original posts on the web?

  • Example: (need a real world example of a reply to multiple other posts to better understand this problem and its importance)

Should the reply put rel="in-reply-to" on the hyperlinks to all of the other original posts? Or should the reply only use rel="in-reply-to" on the first or most important original post that it's a reply to?


Previous Formats

YouTube uses a URL-qualified version of in-reply-to:

  • rel="http://gdata.youtube.com/schemas/2007#in-reply-to"

in their Atom API, e.g.:

<link rel="http://gdata.youtube.com/schemas/2007#in-reply-to"
  type="application/atom+xml" 
  href="https://gdata.youtube.com/feeds/api/videos/2cd.../comments/978..."/>

Alternatives

Alternatively, or in addition, there is the suggestion to use:

  • class=u-in-reply-to

on hyperlinks from comment posts marked up with h-entry to original posts.

See Also