code: private static boolean changeDisplayProperties(final int codepoint) {
          return codepoint == 0x0340
                  || codepoint == 0x0341
                  || codepoint == 0x200E
                  || codepoint == 0x200F
                  || codepoint == 0x202A
                  || codepoint == 0x202B
                  || codepoint == 0x202C
                  || codepoint == 0x202D
                  || codepoint == 0x202E
                  || codepoint == 0x206A
                  || codepoint == 0x206B
                  || codepoint == 0x206C
                  || codepoint == 0x206D
                  || codepoint == 0x206E
                  || codepoint == 0x206F;
      }
docs: Return true if the given {@code codepoint} is change display properties or deprecated characters as defined by
  <a href="https://tools.ietf.org/html/rfc3454#appendix-C.8">RFC 3454, Appendix C.8</a>.