since

commit 74ef8a41
Author: Maxim Monastirsky <momonasmon@gmail.com>
Date:   Sun Dec 7 01:18:06 2014 +0200

    Introduce ParaspaceIncrease/Decrease commands in Writer and Calc

Change-Id: I53dab158160ed9840404e60917fbb8725517bcd3
(cherry picked from commit 34ebb26d)
Reviewed-on: https://gerrit.libreoffice.org/18241Reviewed-by: Jan Holesovsky <kendy@collabora.com>
Tested-by: Jan Holesovsky <kendy@collabora.com>