@define{@define-function}{@syntax{@name @args @body}{@define{@name}{@lambda{@args}{@body}}}}%
@define-function{@foo}{@a @b}{hola @b}%
@foo{mundo}{casa}
@define{@section}{@lambda*{@title}{@gp{@quote{@section}}}{@title@siblings@title
}}%
@section{Hello World}
hola
@section{Good Bye World}
chao