rewriter

Noun

1. One who, or that which, rewrites.
   • On the threshold of 1984, Communist rewriters of history have scored a significant victory in their longtime effort to erase inconvenient individuals and events from the chronicle of modern times. - 1983 November 20,...
   • Part of why both books dragged on so long is that Mr. Talese, who once worked for The New York Times, is a perfectionist, an obsessive tinkerer and rewriter, and also a famously meticulous reporter and researcher who...
2. Part of a compiler that makes a second pass to fix the generated object code by implementing postconditions, patching in calls or pointers to point to the correct locations, etc.