# Standards

Desktop files: https://specifications.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html

Desktop files: http://standards.freedesktop.org/desktop-entry-spec/

XMP: https://wwwimages2.adobe.com/content/dam/acom/en/devnet/xmp/pdfs/XMP%20SDK%20Release%20cc-2016-08/XMPSpecificationPart3.pdf

IPTC4XMP: http://xml.coverpages.org/IPTC-CoreSchema200503-ImplGuideLines3.pdf

Pango mark up: https://developer.gnome.org/pygtk/stable/pango-markup-language.html

Thumbnails: https://specifications.freedesktop.org/thumbnail-spec/thumbnail-spec-latest.html