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When running Emacs 18.59 in shell mode on a SGI Indigo (IRIX version
4.0.5F), often (but not always) interactive programs executed from the
subshell will not operate correctly. More specifically, prompts will
not appear and a C-c C-d will exit the subshell instead of just
exiting the program running under the subshell. Here is an example. A
fresh Emacs was started, with no .emacs file. The following key
sequence was pressed:

	M-x shell RET sh RET date C-c C-d

The following appeared on the *shell* buffer

	sgiharrar:pereira$ sh
	date
	Mon Dec 14 18:40:17 EST 1992
	sgiharrar:pereira$ 

	Process shell finished

The mode line showed "run" status for the subshell until the C-c C-d
was typed, and afterwards "no process" status.

When an Emacs invocation starts behaving this way, it seems to
continue doing the same for subsequent subshells. When it does not,
subshells behave normally. The problem occurs with any of "sh", "csh"
and "ksh" as shell.

Fernando Pereira
2D-447, AT&T Bell Laboratories
600 Mountain Ave, PO Box 636
Murray Hill, NJ 07974-0636
pereira@research.att.com