DAVEfunc — Root level element
DAVEfunc :
(fileHeader, variableDef+, breakpointDef*, griddedTableDef*, ungriddedTableDef*, function*)
| NONE |
Root element is DAVEfunc, composed of a file header element followed by 1 or more variable definitions and 0 or more break point definitions, gridded or ungridded table definitions, and function elements.
| NONE - ROOT ELEMENT |