Remove invalid XML characters from RSS feeds #4416
Merged
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This PR removes any invalid XML characters from RSS strings based on the XML grammar definition for
Char
, which is located here: https://www.w3.org/TR/xml/#NT-Char.I've tested this, and
xmllint
successfully parses the text from the post referenced in #4382 after it's sanitized by thesanitize_xml()
function.Fixes #4382