[pdal-commits] [PDAL/PDAL] 21934a: [Backport 1.9-maintenance] Add more description ab...

[backporting[bot]]

  Branch: refs/heads/1.9-maintenance
  Home:   https://github.com/PDAL/PDAL
  Commit: 21934a06cfdd2eb48a8fdbeedb1e24f5e879002d
      https://github.com/PDAL/PDAL/commit/21934a06cfdd2eb48a8fdbeedb1e24f5e879002d
  Author: backporting[bot] <backporting[bot]@users.noreply.github.com>
  Date:   2019-04-29 (Mon, 29 Apr 2019)

  Changed paths:
    M doc/stages/filters.cpd.rst
    M doc/stages/filters.icp.rst
    M doc/stages/references.bib

  Log Message:
  -----------
  [Backport 1.9-maintenance] Add more description about CPD vs ICP filters (#2476)

* Elaborate difference between ICP and CPD filters.

* longer underline