REPL commands (SLIME User Manual, version 2.28)

#### 8.2.1 REPL commands

`RET` ¶
`M-x 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` ¶
`M-x slime-repl-closing-return`

  Close any unmatched parenthesis and then evaluate the current input in Lisp. Also bound to `M-RET`.

`TAB` ¶
`M-x slime-indent-and-complete-symbol`

  Indent the current line and perform symbol completion.

`C-j` ¶
`M-x slime-repl-newline-and-indent`

  Open and indent a new line.

`C-a` ¶
`M-x slime-repl-bol`

  Go to the beginning of the line, but stop at the REPL prompt.

`C-c C-c` ¶
`M-x slime-interrupt`

  Interrupt the Lisp process with `SIGINT`.

`C-c M-o` ¶
`M-x slime-repl-clear-buffer`

  Clear the entire buffer, leaving only a prompt.

`C-c C-o` ¶
`M-x slime-repl-clear-output`

  Remove the output and result of the previous expression from the buffer.