code: private static int isTashkeelOnTatweelChar(char ch){
          if (ch >= 0xfe70 && ch <= 0xfe7f && ch != NEW_TAIL_CHAR && ch != 0xFE75 && ch != SHADDA_TATWEEL_CHAR)
          {
              return tashkeelMedial [ch - 0xFE70];
          } else if( (ch >= 0xfcf2 && ch <= 0xfcf4) || (ch == SHADDA_TATWEEL_CHAR)) {
              return 2;
          } else {
              return 0;
          }
      }
docs: /*
  Name: isTashkeelOnTatweelChar
  Function: Checks if the Tashkeel Character is on Tatweel or not,if the
  Tashkeel on tatweel (FE range), it returns 1 else if the
  Tashkeel with shadda on tatweel (FC range)return 2 otherwise
  returns 0