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* api-change:``ec2``: Update ec2 command to latest version
* api-change:``discovery``: Update discovery command to latest version
* api-change:``marketplacecommerceanalytics``: Update marketplacecommerceanalytics command to latest version
* bugfix:Cloudformation: Fix a bug causing json templates containing tabs to fail to parse. Fixes `2663 <https://github.com/aws/aws-cli/issues/2663>`__.