thumbnail mtime, ctime

[Dr. Michael J. Chudobiak]

> You are correct about this. But in my opinion the consequence of this
> should be another change of the spec. It should be rephrased to say that
> the empty PNG file should only be created if thumbnail generation failed
> even though the file was opened successfully. It seems wrong to me to
> save a failure PNG only because the file cannot be accessed. And it
> would be relatively easy to change the implementations accordingly.

Well, that would be fine by me...

- Mike