s */
   .parser { /* comment parsing test -- comment ends before the end of this line, the backslash should have no effect: \*/ }
   .parser { margin: 0 5em 1em; padding: 0 1em; width: 2em; height: 1em; error: \}; background: yellow; } /* setup with parsing test */
   * html .parser {  background: gray; }
   \.parser { padding: 2em; }
   .parser { m\argin: 2em; };
   .parser { height: 3em; }
   .parser { width: 200; }
   .parser { border: 5em solid red ! error; }
   .parser { background: red pink; }

   /* 