Eggcorn or Malapropism?

[Philip E. Cleary]

"Due to the variations in mail server configurations and other factors
beyond our control, this function cannot be considered 100% accurate. It
is possible that some email addresses that are actually bad can be
reported as good and vis-a-vis. So use care when interpreting the
results and deciding to delete a suspect card."

http://thunderplunger.mozdev.org/

Is "vis-a-vis" an eggcorn or just a malapropism?

Phil Cleary

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The American Dialect Society - http://www.americandialect.org