Issue 7884: IDLE 3.1.1 crashes with UnicodeDecodeError when I press Ctrl-Space (original) (raw)

Platform: Linux Python 3.1.1 built from source. Tk version 8.4, Tcl version 8.4.

Idle 2.6.4 (also built from source), works correctly (executes force-open-completions).

Test case: