RESOLVED!!!
This is so stupid, I should be embarrassed to state it. But,
since I cannot delete this thread, I'll lay it out.
The path name to my department's folder on the company
network drive is: S:\Holly's\... The apostrophe always frightened
me, but it's been there for years. First created, back at the dawn
of time, by a person named "Holly", of course.
This folder is the target for many FTP processes, application
output, reports, extracts, etc. It's never been a problem, as far
as I knew.
I noticed that the path name for the search results truncated
at the apostrophe, so conjectured that the RoboHelp publishing
routine was croaking on it.
I moved the published output to a path that did not include
"Holly's", and that resolved the problem.
The good part is, it's fixed. The bad part was the apostrophe
is still there..... ready to trip up another innocent, and
clueless, developer.
Thanks for your help,
Charles Arnold
"roborelieved"