// Test many non-escaped characters.
    s =
        "!@#$%^*()_+=-/?\\|]}[{,.;:"
            + "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
            + "1234567890";
    assertSame(s, htmlEscaper().escape(s));
  }

    // Test many non-escaped characters.
    s =
        "!@#$%^*()_+=-/?\\|]}[{,.;:"
            + "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
            + "1234567890";
    assertSame(s, htmlEscaper().escape(s));
  }

    // Test all non-escaped ASCII characters.
    String s =
        "!@#$%^*()_+=-/?\\|]}[{,.;:"
            + "abcdefghijklmnopqrstuvwxyz"
            + "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
            + "1234567890";
    assertEquals(s, xmlEscaper.escape(s));

    // Test ASCII control characters.
    for (char ch = 0; ch < 0x20; ch++) {
      if (ch == '\t' || ch == '\n' || ch == '\r') {

hcs,w??w!.&hcs,zib,???g&2&4wq55--nx?8zrf6--nx??3&44sd3--nx?91w6j--nx!.&a5wqmg--nx?d&22svcw--nx?5xq55--nx??gla0do--nx?m1qtxm--nx?vta0cu--nx????455ses--nx?5mzt5--nx?69vqhr--nx?7&8a4d5a4prebgm--nx?rb2c--nx??a!.&gro?jbo,mo&c?n??oc?ten??vd??b!.&0?1?2?3?4?5?6?7?8?9?a?b?c?d?e?f?g?h?i?j?k?l?m?n?o?p?q?r?s?t?u?v?w?x?y!srab,?z???c!b?za9a0cbgm--nx??e!.&ca?em!an??gro?ics?lim?moc?nue?ofni?t&en?rops??ude?v&og?t???a??g!.&gro?hsadtob,lenap:.nomead,,oc?saak,t&en?ikcats,?ylp.6d,??i&a?v??k!.&gro?lim?moc?su,ten?ude?...