When position = 1., phasor jumps weirdly

[rconstanzo]

Steps to reproduce:
Set position to 1. and window to 0.2, and watch [scope~]. Compare to position at 0. (which should act the same?).

Actual results:
As far as I can hear, no audible difference, so this may just have to do with crossfades and where/how they happen.

Expected results:
[scope~] output should look the same at 0. and 1.

Example code:

<pre><code>
----------begin_max5_patcher----------
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k6m5pxDII6oA8csbivRSoAsotPizWI4o1++HpVXPHug1BRik+07eCX3lJbK
-----------end_max5_patcher-----------
</code></pre>