Re: [shape-map] Relax shapeMap production in grammar (#20)

How about `shapeMap ::= shapeAssociation (',' shapeAssociation)* ','?` so there can only be one trailing `,`, c.f. [yacker example](https://services.w3.org/yacker/uploads/ASdasd?lang=perl&text=%3Cn1%3E%40%3CS%3E%2C%0D%0A%3Cn2%3E%40%3CS%3E%2C&action=validate+text)?

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Received on Monday, 2 December 2019 10:46:17 UTC