one-line fix

from Jargon File (4.4.4, 14 Aug 2003)
one-line fix
 n.

   Used (often sarcastically) of a change to a program that is thought to
   be trivial or insignificant right up to the moment it crashes the
   system. Usually `cured' by another one-line fix. See also {I didn't
   change anything!}
    
from The Free On-line Dictionary of Computing (8 July 2008)
one-line fix

   Used (often sarcastically) of a change to a program that is
   thought to be trivial or insignificant right up to the moment
   it crashes the system.  Usually "cured" by another one-line
   fix.  See also {I didn't change anything!}
    

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