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HTML Guide for affinity designer

Attribute with the local name “xmlns:serif” is not serializable as XML 1.0

attribute
serializable
xml 1.0
xmlns
affinity designer

The attribute xmlns:serif is not valid. Check this guide for more information on this issue.

Attribute “xmlns:serif” not allowed here.

xmlns
affinity designer
svg

The attribute xmlns:serif is not a valid namespace. This attribute is set by Affinity Designer on SVG exports.