Summary of important user-visible changes for version 6.0 (yyyy-mm-dd):
----------------------------------------------------------------------

 ** New functions added in 6.0:

      lightangle
      verLessThan

 ** Deprecated functions.

    The following functions have been deprecated in Octave 6.0 and will
    be removed from Octave 8 (or whatever version is the second major
    release after 6.0):

      Function               | Replacement
      -----------------------|------------------
      output_max_field_width | output_precision

 ** The following functions were deprecated in Octave 4.4 and have been
    removed from Octave 6.0.

      Function             | Replacement
      ---------------------|------------------
      chop                 | sprintf for visual results
      desktop              | isguirunning
      tmpnam               | tempname
      toascii              | double
      java2mat             | __java2mat__

 ** Deprecated graphics properties.

    The following properties or allowed corresponding values have been
    deprecated in Octave 6.0 and will be removed from Octave 8 (or
    whatever version is the second major release after 6.0):

      Object               | Property                | Value
      ---------------------|-------------------------|-------------------


 ** The following properties or allowed corresponding values were
    deprecated in Octave 4.4 and have been removed from Octave 6.0:

      Object               | Property                | Value
      ---------------------|-------------------------|-------------------
      figure               | doublebuffer            |
                           | mincolormap             |
                           | wvisual                 |
                           | wvisualmode             |
                           | xdisplay                |
                           | xvisual                 |
                           | xvisualmode             |
      axes                 | drawmode                |
      annotation           | edgecolor ("rectangle") |
      text                 | fontweight              | "demi" and "light"
      uicontrol            | fontweight              | "demi" and "light"
      uipanel              | fontweight              | "demi" and "light"
      uibuttongroup        | fontweight              | "demi" and "light"
      uitable              | fontweight              | "demi" and "light"

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