docs: public static String cleanUserPublicanCfg(final String userPublicanCfg) {
          // Remove any xml_lang statements
          String retValue = userPublicanCfg.replaceAll("(#( |\\t)*)?xml_lang\\s*:\\s*.*?($|\\r\\n|\\n)", "");
          // Remove any type statements
          retValue = retValue.replaceAll("(#( |\\t)*)?type\\s*:\\s*.*($|\\r\\n|\\n)" + "", "");
          // Remove any brand statements
          retValue = retValue.replaceAll("(#( |\\t)*)?brand\\s*:\\s*.*($|\\r\\n|\\n)" + "", "");
          // Remove any dtdver statements
          retValue = retValue.replaceAll("(^|\\n)( |\\t)*dtdver\\s*:\\s*.*($|\\r\\n|\\n)", "");
          // BZ#1091776 Remove mainfile
          retValue = retValue.replaceAll("(^|\\n)( |\\t)*mainfile\\s*:\\s*.*($|\\r\\n|\\n)", "");
  
          // Remove any whitespace before the text
          retValue = retValue.replaceAll("(^|\\n)\\s*", "$1");
  
          if (!retValue.endsWith("\n")) {
              retValue += "\n";
          }
  
          return retValue;
      }