Co-authored-by: Federico Beffa <beffa@fbengineering.ch>.
* emacs/guix-emacs.el (guix-emacs-find-autoloads-in-directory,
guix-emacs-subdirs): New functions.
(guix-emacs-find-autoloads): Search for autoloads in "guix.d"
subdirectories.
(guix-emacs-load-autoloads): Add subdirectories to 'load-path'.
* emacs/guix-init.el.in: Do not add guix emacs directory to 'load-path'
because it will be done by 'guix-emacs-load-autoloads'. Move
requiring 'guix-emacs' from the top-level to a clause for checking for
'guix-package-enable-at-startup'.
* configure.ac (emacsuidir): New variable.
(AC_CONFIG_FILES): Add 'emacs/guix-init.el', 'emacs/guix-helper.scm'.
* Makefile.am: Include 'emacs.am'.
* emacs.am: New file.
* doc/emacs.texi: New file.
* doc/guix.texi: Include 'emacs.texi'.
* emacs/guix-backend.el: New file.
* emacs/guix-base.el: New file.
* emacs/guix-helper.scm.in: New file.
* emacs/guix-history.el: New file.
* emacs/guix-info.el: New file.
* emacs/guix-init.el.in: New file.
* emacs/guix-list.el: New file.
* emacs/guix-main.scm: New file.
* emacs/guix-utils.el: New file.
* emacs/guix.el: New file.
