Adding a Material Parameter to a MatDef and not giving it a name yields exception

[neph1]

SEVERE [com.jme3.gde.materialdefinition.EditableMatDefFile]: Parameter statement syntax incorrect

Moreover;

• You can't then give it a name in the editor
• If you add a name in the 'Text' tab, it won't be reflected in the editor, and the exception will keep coming for each new node you add.

Suggestion: Not allow clicking "OK" in the creation window without defining a name.