test27.conf

# define a macro in a macro.

<Macro foo $dir $name>
  <Macro foo.$name>
    <Directory $dir>
      Warning "foo.$name $dir"
    </Directory>
  </Macro>
</Macro>

Use foo /unexpected/1 one
Use foo /unexpected/2 two

Use foo.one
Use foo.two
Use foo.one

UndefMacro foo.one
UndefMacro foo.two
UndefMacro foo

Error "done!"