I’m generating a PDF from PostScript. I might generate one, upload it, and have others check it. It might be updated. And re-updated. Then somebody is to print it, and, sometimes, what is printed is a cached old version. Ouch!
One solution — rejected for this problem — would be to have many separate file names. Not good: there should be a single canonical-seeming file name; and the drafts should not have a permanent life.
A different technique is something I don’t know how to do. In the PDF, presumably added via `pdfmark`, could there be something like the following pseudocode?
```
On Open
{
If Today ≤ HardWiredDateConstantBeingDateOfTasting
{
MessageBoxPopUp
string="This version HardWiredStringConstant: check that is latest with a force-reload."
Buttons={"OK, checked"}
}
}
```
If any readers of comp.lang.postscript know how to pdfmark that, pls do say. Thank you.
Relevant links:
http://github.com/jdaw1/placemat/issues/152 http://www.theportforum.com/viewtopic.php?t=175&p=112066#p112066
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