[Checkins] [zopefoundation/transaction] 8b24cc: Tweak rtd.txt to trigger RTD build.

[Tres Seaver]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/transaction
  Commit: 8b24cc3cba74efa0f9d5046db110af873ab26092
      https://github.com/zopefoundation/transaction/commit/8b24cc3cba74efa0f9d5046db110af873ab26092
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2019-12-09 (Mon, 09 Dec 2019)

  Changed paths:

  Log Message:
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  Tweak rtd.txt to trigger RTD build.