minor, finalise every document passed to terms(1) with \f

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'tool/terms'

* tool/terms:
  minor, finalise every document passed to terms(1) with \f
minor, reuse the line buffer in the snarf() coroutine in tf(1)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'tool/tf'

* tool/tf:
  minor, reuse the line buffer in the snarf() coroutine in tf(1)