To quit gitk, I have to invoke ctrl-c from the command line. I get this error when trying to quit gitk with ctrl-q or from the GUI menu:
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error writing "stdout": I/O error
error writing "stdout": I/O error
while executing
"puts "Error saving config: $err""
(procedure "savestuff" line 90)
invoked from within
"savestuff ."
(procedure "doquit" line 6)
invoked from within
"doquit"
invoked from within
".#bar.#bar#file invoke active"
("uplevel" body line 1)
invoked from within
"uplevel #0 [list $w invoke active]"
(procedure "tk::MenuInvoke" line 50)
invoked from within
"tk::MenuInvoke .#bar.#bar#file 1"
(command bound to event)