[Octave-bug-tracker] [bug #56271] plot function default "linestyle" option when "marker" is specified

[Mike Miller]

Follow-up Comment #5, bug #56271 (project octave):

Confirmed. So Octave's current behavior agrees with Matlab. Apologies to the
reporter, but the current inconsistent behavior is the correct one, so we have
to keep it.

If it helps, we could improve the documentation of the plot function to help
explain this apparent difference. Do you have any suggestions?

One way of looking at it is that the shortcut "LineSpec" option must contain
all three of line style, marker style, and color. If you only specify "k+"
instead of "k+-", you are intentionally declaring that the line style is none,
not that the line style should be the default. There is no way to use the
shortcut syntax and say "use the default line style".

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