[Changeset] plotyy leaves traces of previous plots

[Ben Abbott]

On Monday, March 31, 2008, at 05:22PM, "John W. Eaton" <jwe at bevo.che.wisc.edu> wrote:
>On 31-Mar-2008, Ben Abbott wrote:
>
>| The manner in which plotyy responds is very strange to me ... a
>| bug/feature I think ;-)
>| 
>| I'd prefer if Octave's version were to not copy this
>| behavior. Rather the second plotyy should place (x3,y3) in the 1st
>| axis and (x4,y4) in the second, with all four lines visible.
>
>I don't think we get to choose if we want compatibility.  Although the
>plots might appear to be the same, code written for Matlab that uses
>the plot properties would break and users would likely report the
>difference as a bug.
>
>jwe
>

ok, even though it looks to me as if the bug is in Matlab, you make a valid point.

Someone may be relying on that nonsensical feature :-(

Ben