Subject: [quicwg/base-drafts] 0ebbda: Add extensibility section (#1526)

From: Mike Bishop <[email-masked]>
Date: Fri, 06 Jul 2018 16:49:05 -0700

Branch: refs/heads/master
  Home:   https://github.com/quicwg/base-drafts
  Commit: 0ebbdadeb73a826bf99ed0ee20da44d2aa8a16ec
      https://github.com/quicwg/base-drafts/commit/0ebbdadeb73a826bf99ed0ee20da44d2aa8a16ec
  Author: Mike Bishop <[email-masked]>
  Date:   2018-07-07 (Sat, 07 Jul 2018)

  Changed paths:
    M draft-ietf-quic-http.md

  Log Message:
  -----------
  Add extensibility section (#1526)

* Add extensibility section

* Default, not initial

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