471
Creating new node types
Motivation
472
Syntax: PROTO
473
Defining prototype bodies
474
Using new nodes
475
Using prototypes
476
Syntax: IS
477
IS example code
478
IS example
479
Using IS
480
Using IS
481
Controlling usage rules
482
Controlling usage rules
483
Prototype example code
484
Prototype example code
485
Prototype example code
486
Prototype example
487
Changing a prototype
488
Syntax: EXTERNPROTO
489
Summary
490