Re: Slime and Emacs 26.1

It can also be stale .elc files or something went wrong with loading new files into the running Emacs if you updated packages after upgrading to 26.1. You can use FIND-FUNCTION to see the file Emacs last loaded a function from. If you set LOAD-PREFER-NEWER to T in your init file before loading any packages, Emacs will load the source file if the corresponding byte-compiled file is older. Deleting the SLIME .elc files, re-compiling the .el files (* . elc D then * . el B in dired), and reloading Emacs will ensure that everything is loaded correctly. Vladimir