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Update Octave to 5.2.0 version

Currently there is GNU Octave 5.1.0 in the tree, but this version is very old. Please update to the most recent 5.2.0 version:

GNU Octave 5.2.0 - Jan 31, 2020

Improvements

  • Avoid color changes in MS Windows GUI terminal (bug #57658).
  • Lock amd and symbfact to avoid segmentation fault with SuiteSparse (bug #57435).
  • Fix segfault when calculating patch vertex normals (bug #57353).
  • Fix segfault in constructing patch normals for lighting (bug #57353).
  • mat2str.m: Fix for logical matrix (add transpose).
  • improve file equality check for MS Windows (bug #55161).
  • ismember.m: Fix second return argument when values are complex (bug #52437).
  • findobj.m: Fix typo and correctly handle numeric properties (bug #57030).
  • Correctly display integer types with format hex (bug #56966).
  • Cast winqueryreg REG_DWORD types to DWORD (bug #56703).
  • Fix numerous errors in audiowrite / audioread (bug #56889).
  • print.m: Pass quoted path to octave-svgconvert (bug #56768).
  • dir.m: Fix occasionally returning incorrect folder field (bug #55448).
  • Stop segfault when calling 3-input form of diag with cell arrays (bug #56711).
  • improve message for setting breakpoint in nonexistent function (bug #56157).
  • Use framebuffer object for printing invisible Qt figures on mac (bug #55268).
  • Escape backslash characters in EPS output (bug #56448).
  • Use replacement characters to display non UTF-8 strings in figures (bug #55974).
  • inputrc: Add warning about modification (bug #56079).
  • documentation.cc (global_search): just return if query string is empty (bug #56388).
  • Default (c)transpose for old style class arrays (bug #56323).
  • Always reserve at least 1 element of storage for sparse matrices (bug #56232).
  • Don’t segfault at exit after reading malformed HDF5 file (bug #56149).
  • Fix pause() with no arguments called on Windows (bug #55943).
  • refactor minimum eigenvalue index search in qp (bug #56037).
  • qp: fix obscure corner case when calculating qp caused by a typo (bug #56037).
  • use std::streampos instead of std::ios::streampos (patch #9782 (closed)).
  • fix pause and kbhit with glibc 2.28 end-of-file state behavior (bug #55029).
  • Fix return of left-handed vectors when inputs are complex (bug #56026).
  • waitbar.m: Fix hang when using createcancelbtn property (bug #55963).
  • shading.m: Fix unexpected error when multiple hggroups present (bug #55993).
  • dec2base.m: Correctly handle zero matrix input (bug #56005).
  • eliminate duplicate graphics callback object stack (bug #55908).
  • Improve performance when closing figures (bug #55908).
  • Reduce time to process pkg -forge list by 30X (bug #39479).
  • Feed fig2dev with PDF files converted from svg (bug #55906).
  • Improve error checking for iconv_open.
  • poly.m: fix the fix for input of complex conjugate pairs (bug #53897).
  • mkoctfile: use the TMPDIR environment variable if set (bug #55814).
  • line.m: Fix creation of unwanted axes (bug #55840).
  • Accept 4-input form for quiver3 (bug #55570).
  • pkg.m: restore installing packages from zip archives (bug #55788).
  • axis.m: Fix issues with equal argument (bug #55619, bug #55614, bug #55574, bug #55514, bug #54848, bug #53724, bug #53504, bug #53336, bug #51938, bug #50356).
  • ordeig.m: Do not fail on 1x1 matrices (bug #55779).

GUI

  • fix editors search and replace in selection (bug #56405).
  • undo a complete replace all action in the editor (bug #56405).
  • fix missing unlock of mutex when gui editor is not present (bug #56097).
  • prevent unnamed editor tab from being closed by rmdir (bug #55888).
  • prevent editor from closing files that are not affected by rmdir (bug #55823).
  • fix creating keyword files for editor autocompletion (bug #55835).
  • fix dock widget position when being dragged out of the main window (bug #55704).

Build system / Tests

  • fetch upstream gnulib changes using git fetch
  • update gnulib archive if requested changeset is not in the local archive
  • eliminate gnulib subrepo (bug #57044).
  • configure: prevent overlinking when SUNDIALS is disabled (bug #55956).
  • use QtCore and Qt5Gui modules instead of Qt5OpenGL (bug #55735).
  • make building with Qt4 QGLWidget work again (bug #55735).
  • build: adapt mk-qthelp.pl to changes in Texinfo 6.7.
  • BIST should not rely on the current directory to be writable.
  • bp-table.cc: Fix test.
  • maint: Make old style class tests Matlab compatible.
  • Add BIST tests for unlink (bug #56097).

Documentation

  • fix many spelling errors (bug #57613).
  • help: improve documentation for the startup.m user script.
  • avoid conflict with @seealso macro in Texinfo 6.6 (bug #55952)
  • mk-doc-cache.pk: Also translate @seealso here. (bug #55952).
  • makeinfo.m: Also translate @seealso here (bug #55952).
  • polar.m: Document that input is expected to be in radians (bug #57052).
  • gallery.m: Fix typo in docstring for poisson (bug #56267).
  • Add 1024x1024 Octave logo icon (bug #55836).
  • add .editorconfig for default file encoding and indentation.
  • octave.doap: Copy localized (short) description over from appdata (bug #55279).
  • org.octave.Octave.appdata.xml: Add German and French description (bug #55279).
  • languages/*.ts: updated language files (bug #55772).
  • quiver3.m: Fix texinfo typo in docstring from cset f7b10bd40045.
  • doc: fix . Operator Index entry to build with Texinfo 6.7.
  • doc: improve example of using global variables from oct-files.
  • doc: Create en-dashes and em-dashes correctly in documentation.
  • doc: expand page_output_immediately doc string, mention page_screen_output.
  • doc: Clarify documentation of history_file (bug #57027).
  • doc: Improve documentation for get_help_text, get_help_text_from_file.
  • doc: Add documentation for GNUTERM variable used with gnuplot (bug #56906).
  • doc: Improve contour docstring example (bug #56849).
  • doc: Add example to show limitations of the given BLAS integer size.
  • doc: Improve documentation of sparse functions.
  • doc: Improve spelling of bicgstab (bug #56812).
  • doc: Remove Map functions keys, values, remove from unimplemented list (bug #56718).
  • doc: Add function index entry for alias inverse (bug #56629).
  • add content rating declaration to AppStream metadata (bug #56466)
  • doc: Remove stray semicolons from pie, pie3 calling forms.
  • doc: Redo documentation for rats function.
  • doc: Specify position property for text objects is a three-element vector (bug #56303).
  • doc: state that Octave can only load HDF5 files created by itself (bug #56148).
  • doc: Fix names of options in issorted (bug #56087).
  • doc: Small fixes to mat2cell and polyeig docstrings (bug #55985).
  • doc: Improve example code for using -pdflatexstandalone (bug #55945).
  • doc: Refer to “root object” rather than “root figure object”.
  • doc: Place cross-reference from list of graphics object properties back to object (bug #46076).
  • doc: document the newline character in warning messages (bug #49158). doc: pkg versions can be more general than “x.y.z” (bug #55798).
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