1
A character_literal is formed by enclosing a graphic character between two apostrophe characters.
2
character_literal::= 'graphic_character'
NOTES
3
5 A character_literal is an enumeration literal of a character type. See 3.5.2.
4
Examples of character literals:
5/2
'A' '*' ''' ' ' 'L' '[Unicode 1051] ' '[Unicode 923] ' −− Various els. '[Unicode 8734] ' '[Unicode 1488] ' −− Big numbers − infinity and aleph.