slime-repl-return
Evaluate the current input in Lisp if it is complete. If incomplete,
open a new line and indent. If a prefix argument is given then the
input is evaluated without checking for completeness.
C-RET
slime-repl-closing-return
Close any unmatched parenthesis and then evaluate the current input in
Lisp. Also bound to M-RET.
C-j
slime-repl-newline-and-indent
Open and indent a new line.
C-c C-c
slime-interrupt
Interrupt the Lisp process with SIGINT.
TAB
slime-complete-symbol
Complete the symbol at point.
C-c C-o
slime-repl-clear-output
Remove the output and result of the previous expression from the
buffer.
C-c C-t
slime-repl-clear-buffer
Clear the entire buffer, leaving only a prompt.