code: public BaseFontParameters getBaseFontParameters(String name) {
          String alias = (String)aliases.get(name);
          if (alias == null)
              return (BaseFontParameters)mapper.get(name);
          BaseFontParameters p = (BaseFontParameters)mapper.get(alias);
          if (p == null)
              return (BaseFontParameters)mapper.get(name);
          else
              return p;
      }
docs: Looks for a BaseFont parameter associated with a name.
  @param name the name
  @return the BaseFont parameter or <CODE>null</CODE> if not found.