Schema cannot be deleted or cleared somehow (bug or feature?), whenever *Save Schema* is clicked with the editor emptied, a syntax error pops up nothing happens :
!Screen Shot 2018-07-18 at 09.16. 34 28 .png|thumbnail!
Schema example:
{code:title=schema.graphql|borderStyle=solid} schema { query: Query }
type Query { name: String! } {code}
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