bug#36157: 27.0.50; ediff-files does not work after lexical-binding was enabled for ediff

[Richard Stallman]

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  > I'm not 100% sure what you're asking here, but ediff uses variables to
  > store information and then passes those to functions. So in one function
  > it'll do something like this:

  > (setq file-A "/path/to/foo.el")
  > (setq buff-A (get-buffer-create "foo.el"))
  > (ediff-find-file file-A buff-A)

It should add prefixes to those variable names, to avoid conflict.

Then it could defvar those variables to make them always-dynamic.

-- 
Dr Richard Stallman
President, Free Software Foundation (https://gnu.org, https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)