On Sep 5, 2017, at 11:06 PM, Steve Johnson
<scj(a)yaccman.com> wrote:
One day, I was attempting to print out a one-page document. I ran troff piped into the
phototypesetter and got out my roll of paper and fed it into the developer. Out the other
end came a page with only one line on it (beautifully typeset): "cannot open input
file xxx" A number of others had similar experiences, and stderr was born…
I
hear you. Postscript lacked the concept as well. I remember spending bucks on a
phototypesetter run just to find an error message as the only thing on print run.