[GRASS-git] [OSGeo/grass] d48c64: backport sync: merge mess (#484)

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: d48c6487c897630a740fc32ed636881d935ff684
      https://github.com/OSGeo/grass/commit/d48c6487c897630a740fc32ed636881d935ff684
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2020-04-06 (Mon, 06 Apr 2020)

  Changed paths:
    M gui/wxpython/dbmgr/dialogs.py
    M lib/gis/datum.table
    M vector/v.edit/v.edit.html
    M vector/v.generalize/v.generalize.html

  Log Message:
  -----------
  backport sync: merge mess (#484)

* datum.table: added SIRGAS 1995 (#464)

Fixes #452

* vdigit: fix testing empty input (#469)

* v.edit: -t => -b in the manual (#471)

* v.generalize: remove_small was removed in https://lists.osgeo.org/pipermail/grass-commit/2011-January/015843.html (#473)

Co-authored-by: Anna Petrasova <kratochanna at gmail.com>
Co-authored-by: Huidae Cho <grass4u at gmail.com>