# Test the substitution quoting characters (CTLESC and CTLNUL) in different
# combinations

recho `echo ''`
recho `echo ""`
recho `echo `

# Test the unquoted special quoting characters
recho 
recho ""
recho ''

# This should give argv[1] = ^A argv[2] = ^?
FOO=`echo '
 ' | tr ' ' '\012'`
recho $FOO

# Test patterns that come up when the shell quotes funny character
# combinations
recho '
'
recho '

'
recho '

'