job_pipe -1 -1, maxjobs 1, tokens 1, compat 0
TokenPool_Take: pid <pid>, aborting NONE, running 0
TokenPool_Take: pid <pid> took a token
echo ": expanded expression"
{ : expanded expression 
} || exit $?
echo ":  variable"
{ :  variable 
} || exit $?
echo ": 'single' and \"double\" quotes"
{ : 'single' and "double" quotes 
} || exit $?
{ sleep 1 
} || exit $?
Running all
	Command: <shell>
JobExec: target all, pid <pid> added to jobs table
job started, job table:
job 0, status running, flags ---, pid <pid>
: expanded expression
:  variable
: 'single' and "double" quotes
Process with pid <pid> exited/stopped with status 0.
JobFinish: target all, pid <pid>, status 0
TokenPool_Take: pid <pid>, aborting NONE, running 0
TokenPool_Take: pid <pid> took a token
exit status 0