GNU Guile 1.9.15
Copyright (C) 1995-2010 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> 
language/scheme/compile-tree-il.scm:31:6: cannot define keyword at top level
Exception during displaying of error: misc-error

In language/scheme/compile-tree-il.scm:
     31:5  0 (#<procedure 2bc9d20 at language/scheme/compile-tree-il.…>)
scheme@(guile-user) [1]> ,q
scheme@(guile-user)> 
It's been nice interacting with you!
Press C-c C-z to bring me back.
GNU Guile 1.9.15
Copyright (C) 1995-2010 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> 9/5
$3 = 9/5
scheme@(guile-user) [2]> ,error
standard input:1:30: Wrong type to apply: "language/scheme/compile-tree-il.scm"

scheme@(guile-user) [2]> ,bt

In standard input:
     1:29  0 (#<procedure 1de4780 at standard input:1:29 ()>)
scheme@(guile-user) [2]>