bug#18512: 24.3.93; tramp persistency file: incompatible with old versions? Tramp won't start!

[Glenn Morris]

Glenn Morris wrote:

> We already added a startup warning if user-emacs-directory is in
> load-path, for precisely this kind of reason. (Eg calc has similar issues.)
>
> user-emacs-directory is not in load-path by default, so the question is;
> how did it come to be in load-path, and why was the warning not seen?

And indeed there is exactly the issue with calc in the original report:

>> Load-path shadows:
>> /Users/dr/Library/Application Support/Aquamacs Emacs/calc hides 
>> /Users/dr/ae24.git/nextstep/Aquamacs.app/Contents/Resources/lisp/calc/calc