goto-char doesn't stick

["Elias Mårtenson" <lokedhs@gmail.com>]

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I have been trying to figure out why M-. in SLIME sometimes doesn't move
point to the correct location in the file, and I discovered the following
strange behaviour:

Assuming the cursor is at some random position in buffer "z", The SLIME
code essentially does the following to move the cursor to a given location:

    (progn
      (set-buffer "z")
      (goto-char LOCATION))

When I do this, point doesn't move. Or rather, it does move, but after the
conclusion of the ‘progn’ form, the cursor returns to its original
location. This is what causes the SLIME navigation functions to not work
correctly.

Has this behaviour changed recently? I haven't seen anyone else complain
about this, but then again, I usually run Emacs compiled from git master,
so it may be that this has changed in newer versions.

Regards,
Elas

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