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here is the log from the commit of package octave-forge-symbolic for 
openSUSE:Factory checked in at 2022-09-15 22:58:47
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/octave-forge-symbolic (Old)
 and      /work/SRC/openSUSE:Factory/.octave-forge-symbolic.new.2083 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Package is "octave-forge-symbolic"

Thu Sep 15 22:58:47 2022 rev:12 rq:1003656 version:3.0.1

Changes:
--------
--- 
/work/SRC/openSUSE:Factory/octave-forge-symbolic/octave-forge-symbolic.changes  
    2022-07-12 11:12:59.875742301 +0200
+++ 
/work/SRC/openSUSE:Factory/.octave-forge-symbolic.new.2083/octave-forge-symbolic.changes
    2022-09-15 22:59:27.237260040 +0200
@@ -1,0 +2,13 @@
+Thu Sep 15 00:48:38 UTC 2022 - Stefan Br??ns <[email protected]>
+
+- Update to version 3.0.1:
+  * New `@double` numerical functions; these are wrappers around SymPy,
+    so they are slower than native floating-point implementations.
+    - adjoint
+  * Misc bug fixes and improvements in error handling.
+  * `.oct-config` files indicate source is UTF-8 encoded and should improve
+    any locale or encoding problems on Octave 7 and above.
+  * Fixes some errors when Python is running in Cygwin-like environment.
+    But there could still be errors in other places (issue #1182).
+
+-------------------------------------------------------------------

Old:
----
  symbolic-3.0.0.tar.gz

New:
----
  symbolic-3.0.1.tar.gz

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Other differences:
------------------
++++++ octave-forge-symbolic.spec ++++++
--- /var/tmp/diff_new_pack.BFB8Jq/_old  2022-09-15 22:59:29.677266929 +0200
+++ /var/tmp/diff_new_pack.BFB8Jq/_new  2022-09-15 22:59:29.681266940 +0200
@@ -18,12 +18,12 @@
 
 %define octpkg  symbolic
 Name:           octave-forge-%{octpkg}
-Version:        3.0.0
+Version:        3.0.1
 Release:        0
 Summary:        Octave Symbolic Package using SymPy
 License:        GPL-3.0-or-later
 Group:          Productivity/Scientific/Math
-URL:            https://octave.sourceforge.io
+URL:            https://octave.sourceforge.io/%{octpkg}/
 Source0:        
https://downloads.sourceforge.net/octave/%{octpkg}-%{version}.tar.gz
 BuildArch:      noarch
 BuildRequires:  octave-devel

++++++ symbolic-3.0.0.tar.gz -> symbolic-3.0.1.tar.gz ++++++
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/CONTRIBUTORS 
new/symbolic-3.0.1/CONTRIBUTORS
--- old/symbolic-3.0.0/CONTRIBUTORS     2022-07-05 10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/CONTRIBUTORS     2022-08-09 22:55:47.000000000 +0200
@@ -27,6 +27,7 @@
 Fernando Alvarruiz
 Tasos Papastylianou
 Jing-Chen Peng
+Rafael Laboissi??re
 
 (Please contact the developers if your name should be here but isn't!)
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/DESCRIPTION 
new/symbolic-3.0.1/DESCRIPTION
--- old/symbolic-3.0.0/DESCRIPTION      2022-07-05 10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/DESCRIPTION      2022-08-09 22:55:47.000000000 +0200
@@ -1,6 +1,6 @@
 Name: symbolic
-Version: 3.0.0
-Date: 2022-07-05
+Version: 3.0.1
+Date: 2022-08-09
 Author: Colin B. Macdonald <[email protected]>
 Maintainer: Colin B. Macdonald <[email protected]>
 Title: Octave Symbolic Package using SymPy
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/INDEX new/symbolic-3.0.1/INDEX
--- old/symbolic-3.0.0/INDEX    2022-07-05 10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/INDEX    2022-08-09 22:55:47.000000000 +0200
@@ -25,6 +25,7 @@
  lambertw
  poly2sym
 Double-precision numerical functions
+ @double/adjoint
  @double/bernoulli
  @double/chebyshevT
  @double/chebyshevU
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/NEWS new/symbolic-3.0.1/NEWS
--- old/symbolic-3.0.0/NEWS     2022-07-05 10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/NEWS     2022-08-09 22:55:47.000000000 +0200
@@ -1,3 +1,21 @@
+octsympy 3.0.1 (2022-08-09)
+===========================
+
+  * New `@double` numerical functions; these are wrappers around SymPy,
+    so they are slower than native floating-point implementations.
+
+          adjoint
+
+  * Misc bug fixes and improvements in error handling.
+
+  * `.oct-config` files indicate source is UTF-8 encoded and should improve
+    any locale or encoding problems on Octave 7 and above.
+
+  * Fixes some errors when Python is running in Cygwin-like environment.
+    But there could still be errors in other places (issue #1182).
+
+
+
 octsympy 3.0.0 (2022-07-05)
 ===========================
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/.oct-config 
new/symbolic-3.0.1/inst/.oct-config
--- old/symbolic-3.0.0/inst/.oct-config 1970-01-01 01:00:00.000000000 +0100
+++ new/symbolic-3.0.1/inst/.oct-config 2022-08-09 22:55:47.000000000 +0200
@@ -0,0 +1 @@
+encoding=utf-8
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/@double/adjoint.m 
new/symbolic-3.0.1/inst/@double/adjoint.m
--- old/symbolic-3.0.0/inst/@double/adjoint.m   1970-01-01 01:00:00.000000000 
+0100
+++ new/symbolic-3.0.1/inst/@double/adjoint.m   2022-08-09 22:55:47.000000000 
+0200
@@ -0,0 +1,86 @@
+%% Copyright (C) 2022 Alex Vong
+%%
+%% This file is part of OctSymPy.
+%%
+%% OctSymPy is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published
+%% by the Free Software Foundation; either version 3 of the License,
+%% or (at your option) any later version.
+%%
+%% This software is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty
+%% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+%% the GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public
+%% License along with this software; see the file COPYING.
+%% If not, see <https://www.gnu.org/licenses/>.
+
+%% -*- texinfo -*-
+%% @documentencoding UTF-8
+%% @defun adjoint (@var{M})
+%% Numerical Classical Adjoint / Adjugate of a square matrix.
+%%
+%% @strong{Note on Terminology}: This function computes the
+%% ``Classical Adjoint'' / Adjugate of @var{M}. For the Conjugate Transpose /
+%% Hermitian adjoint (which is commonly referred to as the ``Adjoint'' in
+%% modern usage), @pxref{@@double/ctranspose}.
+%%
+%% Example:
+%% @example
+%% @group
+%% M = [-3 2 -5; -1 0 -2; 3 -4 1];
+%% A = adjoint (M)
+%%   @result{} A =
+%%        -8   18   -4
+%%        -5   12   -1
+%%         4   -6    2
+%% @end group
+%% @end example
+%%
+%% And note the following equalities involving the Classical Adjoint @code{A}:
+%% @example
+%% @group
+%% M * A
+%%   @result{} ans =
+%%       -6   0   0
+%%        0  -6   0
+%%        0   0  -6
+%% @end group
+%%
+%% @group
+%% A * M
+%%   @result{} ans =
+%%       -6   0   0
+%%        0  -6   0
+%%        0   0  -6
+%% @end group
+%%
+%% @group
+%% det (M) * eye (3)
+%%   @result{} ans =
+%%     Diagonal Matrix
+%%
+%%       -6   0   0
+%%        0  -6   0
+%%        0   0  -6
+%% @end group
+%% @end example
+%% @seealso{@@sym/adjoint}
+%% @end defun
+
+%% Reference: https://en.wikipedia.org/wiki/Adjugate_matrix
+
+
+function A = adjoint (M)
+  A = double (adjoint (vpa (M, 16)));
+end
+
+
+%!test
+%! M = [1 2; 3 4];
+%! A = [4 -2; -3 1];
+%! assert (isequal (adjoint (M), A));
+
+%!test
+%! assert (isequal (adjoint (42), 1));
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/@sym/cumprod.m 
new/symbolic-3.0.1/inst/@sym/cumprod.m
--- old/symbolic-3.0.0/inst/@sym/cumprod.m      2022-07-05 10:33:43.000000000 
+0200
+++ new/symbolic-3.0.1/inst/@sym/cumprod.m      2022-08-09 22:55:47.000000000 
+0200
@@ -21,7 +21,7 @@
 %% @documentencoding UTF-8
 %% @defmethod  @@sym cumprod (@var{x})
 %% @defmethodx @@sym cumprod (@var{x}, @var{dim})
-%% Perform a cumulative product over the rows or columns of a symbolic array.
+%% Cumulative product over the rows or columns of a symbolic array.
 %%
 %% If @var{dim} is omitted, it defaults to the first non-singleton dimension.
 %% For example:
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/@sym/cumsum.m 
new/symbolic-3.0.1/inst/@sym/cumsum.m
--- old/symbolic-3.0.0/inst/@sym/cumsum.m       2022-07-05 10:33:43.000000000 
+0200
+++ new/symbolic-3.0.1/inst/@sym/cumsum.m       2022-08-09 22:55:47.000000000 
+0200
@@ -21,7 +21,7 @@
 %% @documentencoding UTF-8
 %% @defmethod  @@sym cumsum (@var{x})
 %% @defmethodx @@sym cumsum (@var{x}, @var{dim})
-%% Perform a cumulative sum over the rows or columns of a symbolic array.
+%% Cumulative sum over the rows or columns of a symbolic array.
 %%
 %% If @var{dim} is omitted, it defaults to the first non-singleton dimension.
 %% For example:
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/@sym/dsolve.m 
new/symbolic-3.0.1/inst/@sym/dsolve.m
--- old/symbolic-3.0.0/inst/@sym/dsolve.m       2022-07-05 10:33:43.000000000 
+0200
+++ new/symbolic-3.0.1/inst/@sym/dsolve.m       2022-08-09 22:55:47.000000000 
+0200
@@ -1,5 +1,6 @@
 %% Copyright (C) 2014-2016, 2018-2019, 2022 Colin B. Macdonald
 %% Copyright (C) 2014-2015 Andr??s Prieto
+%% Copyright (C) 2020 Rafael Laboissi??re
 %% Copyright (C) 2020 Jing-Chen Peng
 %%
 %% This file is part of OctSymPy.
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/@sym/private/elementwise_op.m 
new/symbolic-3.0.1/inst/@sym/private/elementwise_op.m
--- old/symbolic-3.0.0/inst/@sym/private/elementwise_op.m       2022-07-05 
10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/inst/@sym/private/elementwise_op.m       2022-08-09 
22:55:47.000000000 +0200
@@ -86,7 +86,7 @@
           'for A in _ins:'
           '    if isinstance(A, MatrixBase):'
           '        if q is None:'
-          '            q = A.as_mutable()'
+          '            q = A'
           '        else:'
           '            assert q.shape == A.shape, "Matrices in input must all 
have the same shape"'
           % all inputs were scalars:
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' 
old/symbolic-3.0.0/inst/private/assert_have_python_and_sympy.m 
new/symbolic-3.0.1/inst/private/assert_have_python_and_sympy.m
--- old/symbolic-3.0.0/inst/private/assert_have_python_and_sympy.m      
2022-07-05 10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/inst/private/assert_have_python_and_sympy.m      
2022-08-09 22:55:47.000000000 +0200
@@ -97,10 +97,19 @@
     disp ('')
     disp ('Let''s check what version of Python we are calling...')
     disp ('')
-    fprintf ('Attempting to run %s -c "import sys; print(sys.version)"\n\n', 
pyexec);
-    [status, output] = system([pyexec ' -c "import sys; print(sys.version)"']);
+    fprintf ('Attempting to run %s -c "import sys; print(sys.version)"\n', 
pyexec);
+    [status, output] = system ([pyexec ' -c "import sys; 
print(sys.version)"']);
     status
     output
+    fprintf ('Running %s -c "import sys; print(sys.executable)"\n', pyexec);
+    [status, output] = system ([pyexec ' -c "import sys; 
print(sys.executable)"']);
+    output
+    fprintf ('Checking if %s is running in a Cygwin-like POSIX 
environment...', pyexec);
+    if python_env_is_cygwin_like (pyexec)
+      fprintf (' yes\n\n');
+    else
+      fprintf (' no\n\n');
+    end
     disp ('');
     show_system_info ();
   end
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/private/cygpath.m 
new/symbolic-3.0.1/inst/private/cygpath.m
--- old/symbolic-3.0.0/inst/private/cygpath.m   1970-01-01 01:00:00.000000000 
+0100
+++ new/symbolic-3.0.1/inst/private/cygpath.m   2022-08-09 22:55:47.000000000 
+0200
@@ -0,0 +1,39 @@
+%% Copyright (C) 2022 Alex Vong
+%%
+%% This file is part of OctSymPy.
+%%
+%% OctSymPy is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published
+%% by the Free Software Foundation; either version 3 of the License,
+%% or (at your option) any later version.
+%%
+%% This software is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty
+%% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+%% the GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public
+%% License along with this software; see the file COPYING.
+%% If not, see <https://www.gnu.org/licenses/>.
+
+%% -*- texinfo -*-
+%% @defun  cygpath ()
+%% Convert Windows native path to Cygwin POSIX-style path.
+%%
+%% @seealso{python_env_is_cygwin_like}
+%% @end defun
+
+function posix_path = cygpath (native_path)
+  %% FIXME: only allow safe characters inside "..."
+  if ~isempty (strfind (native_path, '"'))
+    error ('cygpath: native path %s must not contain "', native_path);
+  end
+
+  [status, out] = system (['cygpath -u "' native_path '"']);
+  if status ~= 0
+    error ('cygpath: cygpath exited with status %d', status);
+  end
+
+  posix_path = regexprep (out, '[\r]?[\n]$', ''); % strip trailing newline
+  assert (logical (regexp (posix_path, '^[^\r\n]+$'))); % validate path
+end
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' 
old/symbolic-3.0.0/inst/private/python_env_is_cygwin_like.m 
new/symbolic-3.0.1/inst/private/python_env_is_cygwin_like.m
--- old/symbolic-3.0.0/inst/private/python_env_is_cygwin_like.m 1970-01-01 
01:00:00.000000000 +0100
+++ new/symbolic-3.0.1/inst/private/python_env_is_cygwin_like.m 2022-08-09 
22:55:47.000000000 +0200
@@ -0,0 +1,54 @@
+%% Copyright (C) 2022 Alex Vong
+%%
+%% This file is part of OctSymPy.
+%%
+%% OctSymPy is free software; you can redistribute it and/or modify
+%% it under the terms of the GNU General Public License as published
+%% by the Free Software Foundation; either version 3 of the License,
+%% or (at your option) any later version.
+%%
+%% This software is distributed in the hope that it will be useful,
+%% but WITHOUT ANY WARRANTY; without even the implied warranty
+%% of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+%% the GNU General Public License for more details.
+%%
+%% You should have received a copy of the GNU General Public
+%% License along with this software; see the file COPYING.
+%% If not, see <https://www.gnu.org/licenses/>.
+
+%% -*- texinfo -*-
+%% @defun  python_env_is_cygwin_like (pyexec)
+%% Check if Python @var{pyexec} is running in a Cygwin-like POSIX environment,
+%% such as Cygwin or MSYS2.  The result is memoized to speed up subsequent
+%% calls.
+%%
+%% @seealso{cygpath}
+%% @end defun
+
+function r = python_env_is_cygwin_like (pyexec)
+  persistent python_env_is_cygwin_like_memo
+
+  if ~isempty (python_env_is_cygwin_like_memo)
+    r = python_env_is_cygwin_like_memo;
+    return
+  end
+
+  if ispc ()
+    if system ('where /q cygpath') ~= 0
+      r = false;
+      python_env_is_cygwin_like_memo = r;
+      return
+    end
+
+    [status, out] = system ([pyexec ' -c "import os; print(os.name)"']);
+    if status ~= 0
+      error ('python_env_is_cygwin_like: %s exited with status %d', ...
+             pyexec, status);
+    end
+    r = ~isempty (regexp (out, 'posix', 'match'));
+    python_env_is_cygwin_like_memo = r;
+  else
+    r = false;
+    python_env_is_cygwin_like_memo = r;
+  end
+end
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/private/python_ipc_system.m 
new/symbolic-3.0.1/inst/private/python_ipc_system.m
--- old/symbolic-3.0.0/inst/private/python_ipc_system.m 2022-07-05 
10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/inst/private/python_ipc_system.m 2022-08-09 
22:55:47.000000000 +0200
@@ -1,4 +1,5 @@
 %% Copyright (C) 2014-2016, 2022 Colin B. Macdonald
+%% Copyright (C) 2022 Alex Vong
 %%
 %% This file is part of OctSymPy.
 %%
@@ -113,12 +114,28 @@
         disp (['This session will use the temp file "' tmpfilename '"'])
       end
     end
-    fd = fopen (tmpfilename, 'w');
+    [fd, msg] = fopen (tmpfilename, 'w');
+    if fd < 0
+      error ('system ipc: failed to create temporary file %s: %s', ...
+             tmpfilename, msg);
+    end
     fprintf(fd, '# temporary autogenerated code\n\n');
     % we just added two more lines at the top
     info.prelines = info.prelines + 2;
-    fputs(fd, bigs);
-    fclose(fd);
+    status = fputs(fd, bigs);
+    if status < 0
+      error ('system ipc: failed to write the big string to %s (fd %d)', ...
+            tmpfilename, fd);
+    end
+    status = fclose(fd);
+    if status < 0
+      error ('system ipc: failed to close %s (fd %d) after writing', ...
+            tmpfilename, fd);
+    end
+
+    if python_env_is_cygwin_like (pyexec)
+      tmpfilename = cygpath (tmpfilename);
+    end
     [status, out] = system ([pyexec ' ' tmpfilename]);
   end
 
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/pycall_sympy__.m 
new/symbolic-3.0.1/inst/pycall_sympy__.m
--- old/symbolic-3.0.0/inst/pycall_sympy__.m    2022-07-05 10:33:43.000000000 
+0200
+++ new/symbolic-3.0.1/inst/pycall_sympy__.m    2022-08-09 22:55:47.000000000 
+0200
@@ -437,7 +437,13 @@
 %! % This tests the "INTERNAL_PYTHON_ERROR" path.
 %! % FIXME: this is a very specialized test, relies on internal octsympy
 %! % implementation details, and may need to be adjusted for changes.
-%! b = sym([], 'S.make_an_attribute_err_exception', [1 1], 'Test', 'Test', 
'Test');
+%! disp('')
+%! 
disp('**********************************************************************')
+%! disp('')
+%! disp('  Some deliberate AttributeError and ValueError may appear next')
+%! disp('')
+%! disp('v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  v  
v')
+%! b = sym([], 'S.This_is_supposed_to_make_an_exception', [1 1], 'Test', 
'Test', 'Test');
 %! c = b + 1;
 %!test
 %! % ...and after the above test, the pipe should still work
@@ -454,6 +460,10 @@
 %!   assert (~ isempty (regexp (msg, '.*does not know how to.*')))
 %! end
 %! warning (s)
+%! 
disp('^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^')
+%! disp('                  End of deliberate errors!')
+%! disp('  You should see "46/46" or "Passes 46 out of 46 tests" below')
+%! 
disp('**********************************************************************')
 %! % ...and after the above test, the pipe should still work
 %! a = pycall_sympy__ ('return _ins[0]*2', 3);
 %! assert (isequal (a, 6))
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/inst/sympref.m 
new/symbolic-3.0.1/inst/sympref.m
--- old/symbolic-3.0.0/inst/sympref.m   2022-07-05 10:33:43.000000000 +0200
+++ new/symbolic-3.0.1/inst/sympref.m   2022-08-09 22:55:47.000000000 +0200
@@ -1,6 +1,7 @@
 %% Copyright (C) 2014-2020, 2022 Colin B. Macdonald
 %% Copyright (C) 2017 NVS Abhilash
 %% Copyright (C) 2017 Mike Miller
+%% Copyright (C) 2022 Alex Vong
 %%
 %% This file is part of OctSymPy.
 %%
@@ -173,7 +174,7 @@
 %% @example
 %% @group
 %% sympref version
-%%   @result{} 3.0.0
+%%   @result{} 3.0.1
 %% @end group
 %% @end example
 %%
@@ -216,7 +217,7 @@
 
     case 'version'
       assert (nargin == 1)
-      varargout{1} = '3.0.0';
+      varargout{1} = '3.0.1';
 
     case 'display'
       if (nargin == 1)
@@ -318,7 +319,7 @@
       %pkg_path = fileparts (mfilename ('fullpath'));
       % or
       %pkg_l = pkg ('list');
-      %idx = strcmp ('octsympy', cellfun (@(x) x.name, pkg_l, "UniformOutput", 
false));
+      %idx = strcmp ('octsympy', cellfun (@(x) x.name, pkg_l, 'UniformOutput', 
false));
       %if (~ any (idx))
       %  error ('the package %s is not installed', your_pkg);
       %end
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn' 
'--exclude=.svnignore' old/symbolic-3.0.0/misc/.oct-config 
new/symbolic-3.0.1/misc/.oct-config
--- old/symbolic-3.0.0/misc/.oct-config 1970-01-01 01:00:00.000000000 +0100
+++ new/symbolic-3.0.1/misc/.oct-config 2022-08-09 22:55:47.000000000 +0200
@@ -0,0 +1 @@
+encoding=utf-8

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