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Attribute grammar should allow trailing commas #106

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ericlippert opened this issue Sep 5, 2017 · 0 comments

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ericlippert commented Sep 5, 2017

The attribute list, and the interior list of values have grammars:

attribute-list:
  attribute
  attribute-list  ,  attribute

attribute-values
  attribute-value
  attribute-values  ,  attribute-value

Both of which imply that the lists may not end in a comma. We wish to allow non-empty lists to end in a comma in both cases.

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