[Octave-task-tracker] [task #14243] Rewrite legend.m

[Dan Sebald]

Follow-up Comment #6, task #14243 (project octave):

OK, a lot of work, but I think any new minor bugs are worth the change.

This conditional:


+    if (! all (ishghandle (plty)))
       error ("legend.m: This should not happen.  File a bug report.");
     endif


All it is really doing is encouraging users to file a bug report.  It creates
an error with regard to Octave's internal programming, not something caused by
the user (like an ill-formed matrix, etc.).  But without this it will result
in an error eventually also via using a bogus handle.  So, I don't know how
beneficial this was in the first place.  If it is possible the user inputs a
bogus handle, then it is O.E. and we don't want a bug report for that.

Missed line-space here?:

+
+endfunction
+## Axes to which legend was attached has been deleted.  Delete legend.
+function cb_axes_deleted (~, ~, hlegend)


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