code: public static Chunk get(char c, Font font) {
          char greek = SpecialSymbol.getCorrespondingSymbol(c);
          if (greek == ' ') {
              return new Chunk(String.valueOf(c), font);
          }
          Font symbol = new Font(Font.SYMBOL, font.getSize(), font.getStyle(), font.getColor());
          String s = String.valueOf(greek);
          return new Chunk(s, symbol);
      }
docs: Gets a chunk with a symbol character.
  @param c a character that has to be changed into a symbol
  @param font Font if there is no SYMBOL character corresponding with c
  @return a SYMBOL version of a character