OPML import failed #1475
Description
selfoss 2.19
OPML file that exported from miniflux, import failed with debug error: Invalid type '': only 'rss' and 'atom' are supported
miniflux opml file like:
<?xml version="1.0" encoding="UTF-8"?>
<opml version="2.0">
<head>
<title>Miniflux</title>
<dateCreated>Wed, 20 Dec 2023 10:28:26 CST</dateCreated>
</head>
<body>
<outline text="All">
<outline title="http://feeds.feedburner.com/felixcat" text="http://feeds.feedburner.com/felixcat" xmlUrl="http://feeds.feedburner.com/felixcat" htmlUrl="http://feeds.feedburner.com/felixcat"></outline>
<outline title="https://www.archlinux.org/feeds/news/" text="https://www.archlinux.org/feeds/news/" xmlUrl="https://archlinux.org/feeds/news/" htmlUrl="https://www.archlinux.org/feeds/news/"></outline>
</outline>
</body>
</opml>