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#!/usr/bin/env stack
-- stack --stack-yaml=stack.yaml runghc --package pandoc-types

-- Extract changes from latest version in changelog.
import Text.Pandoc.JSON

main = toJSONFilter extractFirst

extractFirst :: Pandoc -> Pandoc
extractFirst (Pandoc meta (Para{} : BulletList bs : _)) =
  Pandoc meta [BulletList bs]
extractFirst x = x