[Octave-bug-tracker] [bug #60320] Unexpected warning from latex_renderer on calling imagesc

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?60320>

                 Summary: Unexpected warning from latex_renderer on calling
imagesc
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Thu 01 Apr 2021 01:53:10 PM UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: dev
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

On calling imagesc() the first time after invoking Octave, it gives an
unexpected and unrelated warning about latex_renderer. This does not happen on
subsequent invocations of imagesc, whether or not the old figure window is
closed.


$ octave
GNU Octave, version 7.0.0
Copyright (C) 2020 The Octave Project Developers.
This is free software; see the source code for copying conditions.
There is ABSOLUTELY NO WARRANTY; not even for MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  For details, type 'warranty'.

Octave was configured for "x86_64-pc-linux-gnu".

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octave:1> imagesc ((1:4) + (1:4)'); axis equal
warning: latex_renderer: unable to compile "?"
warning: called from
    figure at line 96 column 7
    newplot at line 120 column 10
    imagesc at line 99 column 11

octave:2> imagesc ((1:4) + (1:4)'); axis equal
octave:3> 






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