PS TEXT FORMAT Reference Manual

Syntax Summary
11387 Tandem Computers Incorporated A-13
Expressions In this syntax, "::=" means "is defined as", "character" is any ASCII
character, and "digit" is any ASCII numeric character.
expression ::= conjunction [ // expression ]
conjunction ::= comparison [ && conjunction ]
comparison ::= sum












>
<
=
>=
<=
<>
sum
sum ::= term


















+
-
&
sum
term ::= factor


















/
*
term
factor ::=


















+
-
!
primary