pTAL Reference Manual (H06.08+)

Language Elements

HP pTAL Reference Manual—523746-006

2-2

Character Set

pTAL supports the complete ASCII character set, which includes:

•

Uppercase and lowercase alphabetic characters (A through Z.)

•

Numeric characters (0 through 9)

•

Special characters

Keywords

Keywords have predefined meanings to the compiler when used as shown in the

syntax diagrams in this manual.

Table 2-1. Special Characters

Character Description Character Description

! Exclamation point " Quotation mark

$ Dollar sign % Percent sign

& Ampersand ' Apostrophe

( Opening parenthesis ) Closing parenthesis

* Asterisk + Plus

, Comma - Hyphen (minus)

. Period (decimal point) / Right slash

: Colon ; Semicolon

< Less than = Equals

> Greater than ? Question mark

@ Commercial at sign [ Opening bracket

\ Back slash ] Closing bracket

^ Circumflex _ Underscore

` Grave accent { Opening brace

| Vertical line } Closing brace

~ Tilde

Keyword Type Description

Reserved Reserved by the compiler. Do not use reserved keywords (shown in

Table 2-2

on page 2-3) for your identifiers.

Nonreserved You can use nonreserved keywords anywhere identifiers are allowed

except as noted in the Restrictions column of Ta bl e 2- 3

on page 2-3.