i opened guile, then pressed ctrl-c, then a bunch of other buttons including ctrl-d and enter. eventually it crashed:
$ guile (GNU Guile 2.0.11 Copyright (C) 1995-2014 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)>^C^CWhile reading expressioBacktrace: In ice-9/boot-9.scm: 157: 12 [catch #t #<catch-closure 9fd3000> ...] In unknown file: ?: 11 [apply-smob/1 #<catch-closure 9fd3000>] In ice-9/boot-9.scm: 63: 10 [call-with-prompt prompt0 ...] In ice-9/top-repl.scm: 33: 9 [#<procedure a11a420 at ice-9/top-repl.scm:31:6 (thunk)> #<procedure a11a3a0 at ice-9/top-repl.scm:66:5 ()>] 76: 8 [#<procedure a11a3a0 at ice-9/top-repl.scm:66:5 ()>] In system/repl/repl.scm: 142: 7 [start-repl* scheme #f #<procedure prompting-meta-read (repl)>] 168: 6 [run-repl* # #<procedure prompting-meta-read (repl)>] 123: 5 [#<procedure a11abe0 at system/repl/repl.scm:118:4 (key . args)> signal ...] In ice-9/format.scm: 1593: 4 [format #<output: file /dev/pts/1> "While reading expression:\n"] 766: 3 [format:format-work "While reading expression:\n" ()] 83: 2 [anychar-dispatch] In unknown file: ?: 1 [char=? #\o #\newline] ?: 0 [scm-error signal #f "User interrupt" () (2)] ERROR: In procedure scm-error: ERROR: User interrupt
