66. range literal =
a. ( open range start | closed range start ) , range endpoint , ".." , range endpoint ( open range end | closed range end ) |
b. open range start , ".." , range endpoint ( open range end | closed range end ) |
c. ( open range start | closed range start ) , range endpoint , ".." , open range end ;
67. range endpoint = numeric literal | string literal | date time literal ;
Implement grammar rules: