[GRASS-git] [OSGeo/grass] 1fbc81: Update r.series.html (#1246)

[Paulo van Breugel]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 1fbc81f02fe82af633aa1b48b9700da3efe06613
      https://github.com/OSGeo/grass/commit/1fbc81f02fe82af633aa1b48b9700da3efe06613
  Author: Paulo van Breugel <paulo at ecodiv.org>
  Date:   2021-01-14 (Thu, 14 Jan 2021)

  Changed paths:
    M raster/r.series/r.series.html

  Log Message:
  -----------
  Update r.series.html (#1246)

Suggest to use separator=comma instead of sep=, as per g.list manual page