Re: what are those dir filename variants for ?

Are all these cases for the dir filename really needed ? They're introducing several inconsistencies in info.el, but before fixing them (and numerous other bugs), I'd like to be sure we need them. ,---- | ;; Try several variants of specified name. | ;; Try upcasing, appending `.info', or both. | [...] | (progn (setq file (expand-file-name "dir" truename)) | (file-attributes file)) | (progn (setq file (expand-file-name "DIR" truename)) | (file-attributes file)) | (progn (setq file (expand-file-name "dir.info" truename)) | (file-attributes file)) | (progn (setq file (expand-file-name "DIR.INFO" truename)) | (file-attributes file)) | (progn (setq file (expand-file-name "localdir" truename)) | (file-attributes file)) `-----