Subject: bug#53632: Function definition history

From: Glenn Morris <[email-masked]>
Date: Wed, 02 Feb 2022 11:21:05 -0500

Since 1d1b664fb, tramp-test47-unload fails.
Ref eg https://hydra.nixos.org/build/166143250
  `tramp-unload-file-name-handlers' still bound