Hrvoje> Raymond, Colin, can you reproduce mapconcat-related crashes? Hrvoje> Alternately, could you go to line 177 of `base64-tests.el' and change Hrvoje> `when nil' to `when t' and see if `make check' crashes on Base64 Hrvoje> tests? Ugh. I can't believe it! "make check" doesn't crash anymore in the base64 tests. In fact, all of the tests pass now. The only thing that's changed since I last ran the tests is that my machine is located in a different building now with a different name and IP. Weird. Ray