bug#48019: 28.0.50; Error signaled by documentation function

[Lars Ingebrigtsen]

Juri Linkov <juri@linkov.net> writes:

> So the problem is the need to restart Emacs every time after compilation.
> Actually, not after every compilation, but I can't determine on what
> condition this error depends.  This is a new regression appeared
> in the last 2 weeks.  Before some recent change, there was no need
> to restart Emacs after compilation.

Indeed -- I just did a `C-h m' now, and now I'm also seeing the problem:

Debugger entered--Lisp error: (wrong-type-argument listp t)
  documentation(auto-compression-mode)
  describe-mode()
  funcall-interactively(describe-mode)
  call-interactively(describe-mode nil nil)
  command-execute(describe-mode)

But it doesn't seem to happen after every compilation -- perhaps this
only happens after recompiling a particular file?  Most odd.

Hm...

Could it be when compiling regenerates the etc/DOC file, perhaps?

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