dedentation

English

Blend of de- +‎ indentation

dedentation (uncountable)

(programming, informal, rare) The reversal of indentation, moving the text cursor back out from its indented position.
- 2011, Understanding FOSS Version 3.0i revised
  A new code block is recognized when the amount of indentation has increased, and its termination is signaled by a "dedentation," or a reduction of indentation matching a previous level's.
- 2006, Wesley Chun, Core Python Programming
  Again, as with every code subblock, indentation (and dedentation) are used to delimit blocks of code as well as to indicate which block of code statements belong to […]