Add support for attributes and extern on local functions#994

RexJaeschke wants to merge 5 commits intodotnet:draft-v9dotnet/csharpstandard:draft-v9from

RexJaeschke:Add-support-for-attributes-and-extern-on-local-functionsRexJaeschke/csharpstandard:Add-support-for-attributes-and-extern-on-local-functionsCopy head branch name to clipboard