Mention when compiled functions are built-in, help.el. 2011-11-09 Aidan Kehoe <kehoea@parhasard.net> * help.el (describe-function-1): When printing compiled functions, mention whether they're built-in.

This directory contains the source code for the architecture-dependent
files that go in ../arch-lib.  At present, these are mostly utility
programs used by Emacs.