[Octave-bug-tracker] [bug #29057] __errplot__.m plots legends without markers

[David Bateman]

Follow-up Comment #8, bug #29057 (project octave):

Ben,

The code in __pltopt__ for the errorbar plots is

  if (strcmp (caller,"__errplot__"))
    if (strncmp (opt, "#~>", 3))
      n = 3;
    elseif (strncmp (opt, "#~", 2) || strncmp (opt, "~>", 2))
      n = 2;
    elseif (strncmp (opt, "~", 1) || strncmp (opt, ">", 1) 
            || strncmp (opt, "#", 1))
      n = 1;
    endif
    options.linestyle = opt(1:n);
    opt(1:n) = [];
    have_linestyle = true;
  endif

Where "options.linestyle = opt(1:n);" is line 158... Only the linestyles
above are valid in Octave's errorbar function, as these are used to define if
yerr,xerr,xyerr or box plots are used. We shouldn't fail in such a horrid way,
but should we accept other linestyles than the above and if so do we assume
yerr style for the errorbars?

D.

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