5.16 trace option

This is the "tracing level of detail" option. This option will cause AutoGen to display a trace of its template processing. There are five levels:

`nothing'

Does no tracing at all (default)

`templates'

Traces the invocation of DEFINEd macros and INCLUDEs

`block-macros'

Traces all block macros. The above, plus IF, FOR, CASE and WHILE.

`expressions'

Displays the results of expression evaluations

`everything'

Displays the invocation of every AutoGen macro, even TEXT macros.