# okay till stop. <IfModule mod_macro.c> <Macro ModMacro> Warning Thanks for using mod_macro! </Macro> </IfModule> <IfModule !mod_macro.c> <Macro ModMacro> Error Sorry, mod_macro must be installed to run this configuration file. </Macro> </IfModule> Use ModMacro <Macro foo> Warning "macro foo" </Macro> Use foo Error "done!"