non-negative-integer
<non-negative-integer> ::= | {<digit> }+ |
| "&H" {<hex-digit>}+ | |
| "&h" {<hex-digit>}+ | |
| "&O" {<octal-digit>}+ | |
| "&o" {<octal-digit>}+ |
<non-negative-integer> ::= | {<digit> }+ |
| "&H" {<hex-digit>}+ | |
| "&h" {<hex-digit>}+ | |
| "&O" {<octal-digit>}+ | |
| "&o" {<octal-digit>}+ |