code: public static void emit(String src, boolean escapeXml, JspWriter out) throws IOException {
          if (escapeXml) {
              emit(src, out);
          } else {
              out.write(src);
          }
      }
docs: Emit the supplied String to the specified writer, escaping characters if needed.
  
  @param src       the String to write
  @param escapeXml if true, escape unsafe characters before writing
  @param out       the JspWriter to emit to
  @throws IOException if there was a problem emitting the content