Re: [protobuf] Is this a mistake?

[Derek Perez]

Extensions are not supported in proto3 with the exception of custom options for Protobuf itself, that is correct.

On Tue, May 19, 2020, 5:41 AM 'Jack Lu' via Protocol Buffers <prot...@googlegroups.com> wrote:

In the developer doc: https://developers.google.com/protocol-buffers/docs/proto3#custom_options, it mentions the following:

Protocol Buffers also allows you to define and use your own options. This is an advanced feature which most people don't need. If you do think you need to create your own options, see the Proto2 Language Guide for details. Note that creating custom options uses extensions, which are permitted only for custom options in proto3.

Should the last word "proto3" be "proto2"?

Thanks,

-Jack

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