[Octave-bug-tracker] [bug #53654] "rgb2gray.m shadows a core function" only under Windows, not under Linux

[Hartmut]

URL:
  <http://savannah.gnu.org/bugs/?53654>

                 Summary: "rgb2gray.m shadows a core function" only under
Windows, not under Linux
                 Project: GNU Octave
            Submitted by: hardy
            Submitted on: Sat 14 Apr 2018 06:18:21 PM UTC
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.3.90
        Operating System: GNU/Linux

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Details:

When I use Octave 4.3.90 and do "pkg load image" with the current image-2.6.2
package, then
* I do NOT get any warning message under Linux. When doing "which rgb2gray"
then the answer is that it would use rgb2gray from the image package. When I
look in the octave folder "scripts/image" then I do see a second rgb2gray.m
file there.
* I DO get a warning message "rgb2gray.m shadows a core function" under
Windows.

This seems odd to me, but I am unsure if this hints to a deeper problem.
Shouldn't the same shadowing also happen under Linux? Shouldn't this provoke
the same warning message under Linux, then?




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