allow socialInteract in <channel> - closes #601

Author: daveajones

docs/1.0.md

@@ -901,6 +901,9 @@ The node value is a string denoting one of the following possible values:
   version audio enclosure attached.
 - `blog` - Describes a feed of informally written articles.  Similar to `newsletter` but more informal as in a 
   traditional blog platform style.
+- `publisher` - Describes a feed that links to other feeds a publisher owns using the `<podcast:remoteItem>` element.
+  To understand the structure of how "publisher" feeds work, please see the dedicated document 
+  (here)[publishers/publishers.md].
 
 ### List Mediums
 In addition to the above mediums, each medium also has a counterpart "list" variant, where the original medium name 
@@ -1157,28 +1160,29 @@ of it's purpose.
 <br><br><br><br><!-- Tag block -->
 ## Social Interact
 `<podcast:socialInteract>`<br><br>
-The `socialInteract` tag allows a podcaster to attach the url of a "root post" of a comment thread to an episode.  
-This "root post" is treated as the canonical location of where the comments and discussion around this episode will 
-take place.  This can be thought of as the "official" social media comment space for this episode.  If a protocol 
-such as "activitypub" is used, or some other protocol that allows programmatic API access, these comments can be 
-directly pulled into the app, and replies can be posted back to the thread from the app itself.
+The `socialInteract` tag allows a podcaster to attach the url of a "root post" of a comment thread to an episode, or 
+to the podcast as a whole. This "root post" is treated as the canonical location of where the comments and 
+discussion around the episode or podcast will take place.  This can be thought of as the "official" social media 
+comment space for the episode or podcast.  If a protocol such as "activitypub" is used, or some other protocol that 
+allows programmatic API access, these comments can be directly pulled into the app, and replies can be posted back 
+to the thread from the app itself.
 
-If multiple `socialInteract` tags are given for an `<item>`, the `priority` attribute is strongly recommended to 
-give the app an indication as to which comments to display first.
+If multiple `socialInteract` tags are given for an `<item>` or the `<channel>`, the `priority` attribute is strongly 
+recommended to give the app an indication as to which comments to display first.
 
 This tag can also be used as a signal to platforms and apps that the podcaster does not want public comments shown 
-alongside this episode.  For this purpose a `protocol` value of "disabled" can be specified, with no other 
+alongside the episode or podcast.  For this purpose a `protocol` value of "disabled" can be specified, with no other 
 attributes or node value present.
 
 ### Parent
-&nbsp; `<item>`
+&nbsp; `<item>` or `<channel>`
 
 ### Count
 &nbsp; Multiple
 
 ### Attributes
-- **uri** (required) The uri/url of root post comment.
 - **protocol** (required) The [protocol](/socialprotocols.txt) in use for interacting with the comment root post.
+- **uri** (required) The uri/url of root post comment.
 - **accountId** (recommended) The account id (on the commenting platform) of the account that created this root post.
 - **accountUrl** (optional) The public url (on the commenting platform) of the account that created this root post.
 - **priority** (optional) When multiple socialInteract tags are present, this integer gives order of priority.  A 
@@ -1187,9 +1191,9 @@ attributes or node value present.
 
 Example (simple):
 ```xml
-<podcast:socialInteract 
-        uri="https://podcastindex.social/web/@dave/108013847520053258" 
-        protocol="activitypub" 
+<podcast:socialInteract
+        protocol="activitypub"
+        uri="https://podcastindex.social/web/@dave/108013847520053258"
         accountId="@dave" 
 />
 ```
@@ -1198,15 +1202,15 @@ Example (complex):
 ```xml
 <podcast:socialInteract
         priority="1"
-        uri="https://podcastindex.social/web/@dave/108013847520053258" 
-        protocol="activitypub" 
+        protocol="activitypub"
+        uri="https://podcastindex.social/web/@dave/108013847520053258"
         accountId="@dave" 
         accountUrl="https://podcastindex.social/web/@dave" 
 />
 <podcast:socialInteract 
-        priority="2" 
-        uri="https://twitter.com/PodcastindexOrg/status/1507120226361647115" 
-        protocol="twitter" 
+        priority="2"
+        protocol="twitter"
+        uri="https://twitter.com/PodcastindexOrg/status/1507120226361647115"
         accountId="@podcastindexorg" 
         accountUrl="https://twitter.com/PodcastindexOrg" 
 />

socialprotocols.txt

@@ -1,4 +1,5 @@
 disabled
 activitypub
 twitter
-lightning
+lightning
+bluesky