4. Augmenting AutoGen Features

AutoGen was designed to be simple to enhance. You can do it by providing shell commands, Guile/Scheme macros or callout functions that can be invoked as a Guile macro. Here is how you do these.

4.1 Shell Output Commands
4.2 Guile Macros
4.3 Guile Callout Functions
4.4 AutoGen Macros