Curve Presets not saving properly? [1.9.2 W10 64b]

[meteorquake]

For Image - Adjust - Curves
when I adjust Red and Blue and save as preset, if I subsequently open the saved preset it doesn't restore the levels I used.
1.9.2 W10 64b
Let me know if any issues reproducing.
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[xnview]

Thanks to your detailed description I can reproduce the problem.

[xnview]

This problem is supposed to be fixed in XnView MP 1.9.3. Please check and confirm the bug fix here.