more small fixes to command printing code; simplify readline username completion if getpwent is not available

tests/type.right

@@ -103,7 +103,7 @@ bb ()
 foo
 bar
 EOF
- )
+ );
     echo after subshell
 }
 mkcoprocs is a function
@@ -114,13 +114,13 @@ mkcoprocs ()
 producer 1
 EOF1
 
-    }
+    };
     coproc b { 
         cat <<EOF2
 producer 2
 EOF2
 
-    }
+    };
     echo "coprocs created"
 }
 mkcoprocs is a function
@@ -130,6 +130,6 @@ mkcoprocs ()
 heredoc
 body
 EOF
- )
+ );
     echo "coprocs created"
 }