Syntax Conventions

Language syntax consists of keywords and descriptors. Keywords are usually followed by one or more descriptors. Keywords must appear exactly as shown. Descriptors are alphabetic, numeric, or alphanumeric character strings, such as identifiers, values, filenames.

Angle brackets < > enclose all required descriptors.

Square brackets [ ] enclose all optional descriptors.

The asterisk indicates that the enclosed item can be repeated.

When a set contains alternatives, the keywords or descriptors are separated by a vertical bar ( | ).

Notation	Examples	Description
text	.DC	Keywords must appear exactly as shown; alphabetic characters are not case sensitive.
< >	<model name>	A required item.
< >*	<value>*	The asterisk indicates that the item must occur one or more times.
[ ]	[area]	Optional item.
[ ]*	[output variable]*	The asterisk indicates that there is zero or more occurrences of the specified item.
< \| >	<YES \| NO>	Specify one of the given choices.
[ \| ]	[ON \| OFF]	Specify zero or one of the given choices.