Re: [ra5ul@comcast.net: case-insensitive partial-completion-mode issue]

[Richard Stallman <rms@gnu.org>]

    (defun my-directory-files ()
      " "
      (interactive)
      (setq case-fold-search nil)
      (message "%s" (directory-files default-directory t "f*"))
      (setq case-fold-search t)
      (message "%s" (directory-files default-directory t "f*"))
      (setq case-fold-search nil)
      (message "%s" (directory-files default-directory t "F*"))
      (setq case-fold-search t)
      (message "%s" (directory-files default-directory t "F*")))

directory-files is supposed to ignore case
if the system treats file names as case-insensitive.
It does not obey case-fold-search.

    ;;; ==> (MY-PATH/DIRECTORY/DIRECTORY/. MY-PATH/DIRECTORY/DIRECTORY/.. 
    MY-PATH/DIRECTORY/DIRECTORY/FILE.TXT) [4 times]

What system are you using?


Perhaps we need something like directory-files which does obey
case-fold-search.  Is that the issue?