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A validator for syndicated feeds. It works with Atom, RSS feeds as well as OPML and KML formats.

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There’s just a domain parking page there now.

First I'd like to start by mentioning **my assumption is that this is the code which powers the backend** for https://validator.w3.org/feed/ and possibly https://www.rssboard.org/rss-validator/. However, the bug only occurs on...

Insert more Namespaces to avoid the error UnknownNamespace ("Use of unknown namespace: ..."). Also add some standard attributes to avoid the error UnexpectedAttribute ("Unexpected ... attribute on ... element").

I looked into what it would take to convert to 3, since 2 is no longer supported. The short list is: - Run `2to3 -wn .` - Add `#!/usr/bin/env python3`...

I have just been trying to validate some RSS that contains: ``` xxx ``` I got the following validation error: ``` line 53, column 68: relationship must be 'allow' or...

This change makes Travis use an older version of Ubuntu - 14 Trusty Tahr. This fixes the Travis build - Python 2.6 is not supported on newer versions of Ubuntu...

The Apple Podcast Categories have changed again. When checking a BBC Podcast RSS feed: http://www.feedvalidator.org/check.cgi?url=https%3A%2F%2Fpodcasts.files.bbci.co.uk%2Fp05299nl.rss I am seeing errors like: * Government is not one of the predefined iTunes categories...

So, this is a bit of a weird one. It seems that when the feed validator is validating the HTML content within a block, it gets tripped up by certain...

The `` tag is new to HTML 5, and works to generate a semantically-highlighted span of text. Ironically, its default presentation does exactly what the ``-based styling of the error...