bug-compatible

from Jargon File (4.4.4, 14 Aug 2003)

bug-compatible
 adj.

   [common] Said of a design or revision that has been badly compromised
   by a requirement to be compatible with {fossil}s or {misfeature}s in
   other programs or (esp.) previous releases of itself. "MS-DOS 2.0 used
   \ as a path separator to be bug-compatible with some cretin's choice
   of / as an option character in 1.0."

from The Free On-line Dictionary of Computing (8 July 2008)

bug-compatible

   Said of a design or revision that has been badly compromised
   by a requirement to be compatible with {fossils} or
   {misfeatures} in other programs or (especially) previous
   releases of itself. "{MS-DOS} 2.0 used \ as a path separator
   to be bug-compatible with some cretin's choice of / as an
   option character in 1.0."

   [{Jargon File}]

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