rel-in-reply-to: Difference between revisions
(WebMention makes use of in-reply-to) |
(add explicit publishers and consumers spec text, add issues section with reply to multiple other posts question) |
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'''<dfn>rel=in-reply-to</dfn>''' is proposed method for linking from a comment to the original post that the comment is a reply to. | '''<dfn>rel=in-reply-to</dfn>''' is proposed method for linking from a comment to the original post that the comment is a reply to. | ||
== WebMention == | == 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 <code>rel</code> value <code>in-reply-to</code>. | |||
== Consumers == | |||
=== 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]. | |||
== 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 <code>rel="in-reply-to"</code> on the hyperlinks to all of the other original posts? Or should the reply only use <code>rel="in-reply-to"</code> on the first or most important original post that it's a reply to? | |||
== Previous Formats == | == Previous Formats == | ||
Revision as of 03:33, 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 you site implements receiving WebMentions, implement the WebMention ping verification using rel="in-reply-to" as documented in the WebMention specification.
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.