XXX Remove nawk(1)

*** 327,337 ****
  x=x
  x=${x:-`id | sed 's/^[^(]*(\([^)]*\)).*/\1/'`}
  } 2> /dev/null || err_exit 'skipping over `` failed'
  [[ $x == x ]] || err_exit 'assignment ${x:=`...`} failed'
  [[ $($SHELL -c 'print a[') == 'a[' ]] || err_exit "unbalanced '[' in command arg fails"
! $SHELL -c $'false && (( `wc -l /dev/null | nawk \'{print $1}\'` > 2 )) && true;:' 2> /dev/null ||  err_exit 'syntax error with ` in arithmetic expression'
  { $SHELL  -c '((  1`: "{ }"` ))' ;} 2> /dev/null || err_exit 'problem with ` inside (())'
  varname=foobarx
  x=`print '"\$'${varname}'"'`
  [[ $x == '"$foobarx"' ]] ||  err_exit $'\\$\' not handled correctly inside ``'
  
--- 327,337 ----
  x=x
  x=${x:-`id | sed 's/^[^(]*(\([^)]*\)).*/\1/'`}
  } 2> /dev/null || err_exit 'skipping over `` failed'
  [[ $x == x ]] || err_exit 'assignment ${x:=`...`} failed'
  [[ $($SHELL -c 'print a[') == 'a[' ]] || err_exit "unbalanced '[' in command arg fails"
! $SHELL -c $'false && (( `wc -l /dev/null | /usr/xpg4/bin/awk \'{print $1}\'` > 2 )) && true;:' 2> /dev/null ||  err_exit 'syntax error with ` in arithmetic expression'
  { $SHELL  -c '((  1`: "{ }"` ))' ;} 2> /dev/null || err_exit 'problem with ` inside (())'
  varname=foobarx
  x=`print '"\$'${varname}'"'`
  [[ $x == '"$foobarx"' ]] ||  err_exit $'\\$\' not handled correctly inside ``'