src/main/java/org/apache/commons/jxpath/ri/parser/XPathParser.java [1280:1311]:
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      case FUNCTION_LAST:
      case FUNCTION_POSITION:
      case FUNCTION_COUNT:
      case FUNCTION_ID:
      case FUNCTION_KEY:
      case FUNCTION_LOCAL_NAME:
      case FUNCTION_NAMESPACE_URI:
      case FUNCTION_NAME:
      case FUNCTION_STRING:
      case FUNCTION_CONCAT:
      case FUNCTION_STARTS_WITH:
      case FUNCTION_ENDS_WITH:
      case FUNCTION_CONTAINS:
      case FUNCTION_SUBSTRING_BEFORE:
      case FUNCTION_SUBSTRING_AFTER:
      case FUNCTION_SUBSTRING:
      case FUNCTION_STRING_LENGTH:
      case FUNCTION_NORMALIZE_SPACE:
      case FUNCTION_TRANSLATE:
      case FUNCTION_BOOLEAN:
      case FUNCTION_NOT:
      case FUNCTION_TRUE:
      case FUNCTION_FALSE:
      case FUNCTION_NULL:
      case FUNCTION_LANG:
      case FUNCTION_NUMBER:
      case FUNCTION_SUM:
      case FUNCTION_FLOOR:
      case FUNCTION_CEILING:
      case FUNCTION_ROUND:
      case FUNCTION_FORMAT_NUMBER:
      case NCName:
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src/main/java/org/apache/commons/jxpath/ri/parser/XPathParser.java [1849:1880]:
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      case FUNCTION_LAST:
      case FUNCTION_POSITION:
      case FUNCTION_COUNT:
      case FUNCTION_ID:
      case FUNCTION_KEY:
      case FUNCTION_LOCAL_NAME:
      case FUNCTION_NAMESPACE_URI:
      case FUNCTION_NAME:
      case FUNCTION_STRING:
      case FUNCTION_CONCAT:
      case FUNCTION_STARTS_WITH:
      case FUNCTION_ENDS_WITH:
      case FUNCTION_CONTAINS:
      case FUNCTION_SUBSTRING_BEFORE:
      case FUNCTION_SUBSTRING_AFTER:
      case FUNCTION_SUBSTRING:
      case FUNCTION_STRING_LENGTH:
      case FUNCTION_NORMALIZE_SPACE:
      case FUNCTION_TRANSLATE:
      case FUNCTION_BOOLEAN:
      case FUNCTION_NOT:
      case FUNCTION_TRUE:
      case FUNCTION_FALSE:
      case FUNCTION_NULL:
      case FUNCTION_LANG:
      case FUNCTION_NUMBER:
      case FUNCTION_SUM:
      case FUNCTION_FLOOR:
      case FUNCTION_CEILING:
      case FUNCTION_ROUND:
      case FUNCTION_FORMAT_NUMBER:
      case NCName:
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