[Trad] [gleu/pgdocs_fr] 5e3ce8: Backport d'une phrase non traduite en v11

[Denis Laxalde]

  Branch: refs/heads/bv11x
  Home:   https://github.com/gleu/pgdocs_fr
  Commit: 5e3ce8d5acf24eb6ab22dce0e7b319d35ed5f6b7
      https://github.com/gleu/pgdocs_fr/commit/5e3ce8d5acf24eb6ab22dce0e7b319d35ed5f6b7
  Author: Denis Laxalde <denis.laxalde at logilab.fr>
  Date:   2019-12-12 (Thu, 12 Dec 2019)

  Changed paths:
    M postgresql/xfunc.xml

  Log Message:
  -----------
  Backport d'une phrase non traduite en v11