Logical markup.

Doc/lib/libbltin.tex

 \section{\module{__builtin__} ---
-         Built-in functions.}
-\declaremodule[builtin]{builtin}{__builtin__}
+         Built-in functions}
 
+\declaremodule[builtin]{builtin}{__builtin__}
 \modulesynopsis{The set of built-in functions.}
 
 
 This module provides direct access to all `built-in' identifiers of
 Python; e.g. \code{__builtin__.open} is the full name for the built-in
-function \code{open()}.  See section \ref{built-in-funcs}, ``Built-in
+function \function{open()}.  See section \ref{built-in-funcs}, ``Built-in
 Functions.''