[texhax] Duplicate messages

[Schneider, Thomas (NIH/NCI) [E]]

Jeff:

Thanks for the explanation.  I've seen this duplication effect but was
unable to track down the source since it was rare and inconsistent. 
At least your explanation fits the observations!

Tom

  Thomas D. Schneider, Ph.D.
  Senior Investigator
  National Institutes of Health
  National Cancer Institute
  Center for Cancer Research
  RNA Biology Laboratory
  Biological Information Theory Group
  Frederick, Maryland  21702-1201
  schneidt at mail.nih.gov
  https://schneider.ncifcrf.gov (current link)
  https://alum.mit.edu/www/toms (permanent link)