Emmanuele Bassi authored Aug 10, 2010 and Matthias Clasen committed Aug 10, 2010

The :license-type property of GtkAboutDialog allows using a symbolic
enumeration value that will construct a placeholder license preamble
linking to a specific URL. This allows localization of the licensing
text without using a translation of the actual license, since it would
not be valid.
Bug 336225.