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• line 7, column 91: Self reference doesn't match document location [help]

  ... rel="self" type="application/rss+xml" />
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• line 8, column 42: Implausible date: Thu, 01 Jan 1970 01:00:00 +0200 [help]

  		<pubDate>Thu, 01 Jan 1970 01:00:00 +0200</pubDate>
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Source: http://www.macmark.de/atom.php

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4. <title>MacMark.de</title>
5. <description>MacMark: Apple, Security &amp; Dev</description>
6. <link>https://www.macmark.de/</link>
7. <atom:link href="https://www.macmark.de/rss.php" rel="self" type="application/rss+xml" />
8. <pubDate>Thu, 01 Jan 1970 01:00:00 +0200</pubDate>
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10. <title>Dokumente aus meinem Informatik-Studium an der Uni Paderborn</title>
11. <description>Ich habe meine Uni-Dokumente aus meinem Informatik-Studium wiedergefunden und online gestellt</description>
12. <link>https://www.macmark.de/knowhow.php</link>
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15. Sun, 09 Jul 2023 17:27:49 +0200 </pubDate>
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17. <item>
18. <title>Kommentar zum Dev Corner Artikel Live Activities in Mac &amp; i Heft 1/2023</title>
19. <description>Mac &amp; i liefert veraltete, falsche und riskante Informationen über iOS Notifications und Deep Links</description>
20. <link>https://www.macmark.de/blog/osx_blog_2023-05-a.php</link>
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23. Sun, 07 May 2023 14:08:43 +0200 </pubDate>
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26. <title>Kommentar zu Apfeltalk Live! Retro-Gaming auf Mac</title>
27. <description>Es soll Wolfenstein 3D, Doom und Quake nicht auf dem Mac gegeben haben?</description>
28. <link>https://www.macmark.de/blog/osx_blog_2023-04-a.php</link>
29. <guid isPermaLink="true">https://www.macmark.de/blog/osx_blog_2023-04-a.php</guid>
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31. Sun, 23 Apr 2023 18:14:12 +0200 </pubDate>
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35.  

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