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.

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: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!}
-- The AI Hackers Dictionary

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