GitLab

(ido-file-extension-lessp, ido-file-extension-aux)
(ido-file-extension-order): New advanced file ordering.
(ido-file-lessp): New simple file ordering.
(ido-sort-list): Remove.
(ido-make-file-list): Use ido-file-lessp or ido-file-extension-lessp.
(ido-make-dir-list, ido-completion-help): Use ido-file-lessp.