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Conventions

Typographic

This manual uses the following typographic conventions:

Convention Description
G2-WINDOW
Class, Module, and Workspace names
g2-window-1
Instance names
History-keeping-spec
Attribute names
true
Attribute values
new-argument
User-specified values
text-string
Return values of procedures and methods
Main Menu > Miscellany > Clear KB
Menu choice
conclude that the x of y ...
Text of procedures, methods, functions, formulas, and expressions
simulation
Glossary terms
d:\work\g2\kbs
Windows pathnames
/usr/g2/kbs
UNIX pathnames
disk1:[jcm.kbs]
VMS pathnames
spreadsh.kb
File names
cd mydir
Commands to the operating system
Are you ready?
Prompts and responses from the operating system


Note: Syntax conventions are fully described in an Appendix D, Syntax Conventions.

Instructions

Every sequence of instructions appears as follows:

To perform the operation described by the following instructions:

  1. Do as described in this line.

  2. Continue through additional instructions.

Every single-step instruction appears as follows:

To perform the operation described by the following instruction:

Procedure Signatures

A procedure signature is a complete syntactic summary of a procedure or method. A procedure signature shows values supplied by the user in italics, and the value (if any) returned by the procedure underlined. Each value is followed by its type:

Instructions and G2 Constructs

When the way to perform an operation is to invoke a predefined G2 construct, such as a procedure or an action, the construct appears as the content of a one-step instruction. For example:

To obtain a list of the items in a rectangular area:

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Copyright © 1997 Gensym Corporation, Inc.