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etags confused with uppercase filenames (on Windows)

From: Stavros Macrakis
Subject: etags confused with uppercase filenames (on Windows)
Date: Fri, 29 Mar 2002 20:56:20 -0500

etags copyright 98 distributed with Emacs 20.7.1 (i386-*-nt5.0.2195)
running on Windows 2000

Here's a funny little bug....

Take the file below, call it foo.el.

Run the following command line:

 > etags foo.el FOO.EL

You get the tags file shown below, which is correct for fox.el and incorrect
for FOO.EL.  Same error if the command includes only FOO.EL.

Note that on Windows, case is ignored in dereferencing filenames, so these
two filenames refer to the same file, and in fact *.el finds FOO.EL.  If the
file name is all-caps in the directory, you get the same problem.  .EL works
fine everywhere else in Emacs as far as I can tell.

This happened to me because in some transfer from one filesystem to another,
some piece of software decided to canonicalize filenames as all-caps....
They worked fine, except for this glitch in etags.


(defun zoo2 (n) (delete-region 3 4))

(defun sdfsdf ()
    ;; comment 1
    ;; comment 2
    (let ((sdf 0))
      ;; comment 3
      ;; comment 4

(defun zoo2 zoo21,0
(defun sdfsdf sdfsdf3,38
    ;; comment 4,55
      ;; comment 7,108

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