3. The content
ded0.20.23. The content
Contents of DED 0.2
Everything in a DED definition besides its envelope is the designer type's content: the model of its metamodel, as its DESL specification and the bindings it names define it. DED says nothing about the content's shape.
A key, element or line that the designer type's bindings do not read is kept byte for byte through every edit around it (FBL section 4), and a value the bindings cannot read is reported as the std.unreadableEntry finding (DESL section 6.5); neither stops the definition from opening.