Merge pull request #204 from benjaminbellamy/patch-7

Create license.md

license/license.md

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+# The "podcast:license" Specification
+
+<small>Version 1.0 by Benjamin Bellamy - 2021.03.05</small>
+
+<br>
+
+## Purpose
+
+Podcasting is an open ecosystem where information travel freely from platform to platform, but that does not mean that podcast are free.  
+The fact that podcast files are available for anyone to download does not mean that anyone is allowed to do anything with them.  
+But how can one know what is permitted? It is often difficult - or even impossible - to know, even more if you want to manage that automatically.  
+This situation creates akward conflicts where everyone acts in good faith, everyone share the same goal (growing audiences for podcasts) but everyone disagree on what is acceptable.
+
+- Can the podcast be locally copied? Then can the copy be shared? Should it be fetched from the original location only?
+- Can the podcast be shared/played for free?
+- Can the podcast be shared/played for a fixed fee? For a subscription fee?
+- Can the podcast be used to display ads on it?
+- Can it be used for audio insertion? Pre-roll, mid-roll, post-roll?
+- Can it be trimmed, cut, edited? Translated? Dubbed?
+- Can the shownotes be trimmed, cut, edited? Converted from HTML to plain text?
+
+We have seen in the past Podcasters demanding to have their podcast removed from a platform because they felt they were being stolen, even if that would mean less audience for them.  
+If we can provide a way to make what is allowed and what is forbiden crystal clear, we will avoid such conflicts.
+
+Please note that this document is about what can be done after the podcast is published, not before.  
+(For instance, using copyrighted music or copyrighted material in a podcast is not the subject here.)  
+You may read [PODCASTING LEGAL GUIDE: RULES FOR THE REVOLUTION](https://wiki.creativecommons.org/wiki/Podcasting_Legal_Guide) for more information.
+
+This matter is very complex so this specification only intends to scratch its surface in its current version.
+
+## Specification
+
+- **\<podcast:license label="[license label]" url="[url to license]" />[License Label]</podcast:license>**
+
+    Channel (optional | single)
+
+    Item (optional | single)
+
+   This element allows a podcaster to specify a license for a podcast or an episode.
+
+   - `url` (required): This is the url to the license file.
+
+   Examples:
+   - `<podcast:licence url="http://creativecommons.org/licenses/by-nd/4.0/">(CC BY-ND 4.0)</podcast:license>`
+   - `<podcast:licence url="http://creativecommons.org/licenses/by-nc-nd/4.0/">(CC BY-NC-ND 4.0)</podcast:license>`
+   - `<podcast:licence url="http://domain.tld/license.txt">© My Company 2021 - All Rights Reserved</podcast:license>`
+ 
+   
+   Discussion here:
+   - https://github.com/Podcastindex-org/podcast-namespace/issues/177
+   - https://podcastindex.social/web/statuses/105839486748529374
+