When I try to use ecl with emacs and slime, if I need to change the method to a different one, with different lambda list, I get an error out of which I can't recover in any sensible way, so I have to stop the ecl and start is again and load the new method in. This is way too cumberstone, there should be a redefinition restart installed when you try to compile new method that has different lambda list that expected (or a way to easily undefine previous definition) as it is in lispworks.

Could something like this be added, by any chance?

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Bc. Peter Vaņu¹anik
http://www.bishojo.tk