// mongolian vowel separator
    assertThat(parse("http://h/\u180e").encodedPath).isEqualTo("/%E1%A0%8E")
    // en quad
    assertThat(parse("http://h/\u2000").encodedPath).isEqualTo("/%E2%80%80")
    // em quad
    assertThat(parse("http://h/\u2001").encodedPath).isEqualTo("/%E2%80%81")
    // en space
    assertThat(parse("http://h/\u2002").encodedPath).isEqualTo("/%E2%80%82")

   00A0; NO-BREAK SPACE
   1680; OGHAM SPACE MARK
   2000; EN QUAD
   2001; EM QUAD
   2002; EN SPACE
   2003; EM SPACE
   2004; THREE-PER-EM SPACE
   2005; FOUR-PER-EM SPACE
   2006; SIX-PER-EM SPACE
   2007; FIGURE SPACE
   2008; PUNCTUATION SPACE
   2009; THIN SPACE
   200A; HAIR SPACE
   200B; ZERO WIDTH SPACE
   202F; NARROW NO-BREAK SPACE
   205F; MEDIUM MATHEMATICAL SPACE

1FFE          ; disallowed_STD3_mapped ; 0020 0314     # 1.1  GREEK DASIA
1FFF          ; disallowed                             # NA   <reserved-1FFF>
2000..200A    ; disallowed_STD3_mapped ; 0020          # 1.1  EN QUAD..HAIR SPACE
200B          ; ignored                                # 1.1  ZERO WIDTH SPACE
200C..200D    ; deviation              ;               # 1.1  ZERO WIDTH NON-JOINER..ZERO WIDTH JOINER