compile mode and sh ( ) &

[Dan Jacobson]

save this in /tmp/a.sh

echo o
(echo p;date;echo $$)&
echo i
#(echo n;date;echo $$)

and do (compile " sh a.sh")
Notice that you see no date, etc.  Now remove the #, you get two
dates.

this shows no date:
(echo p;date;echo q)&
(echo r;echo s)

this shows two dates:
(echo p;date;echo q)&
(echo r;date;echo s)

[Emacs version is in message header.]
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