Gedit opens files in new windows instead of new tabs

[Ales Kvapil]

If you already have one file open in gedit, and then open another file using any method (e.g. if you double click on another file in nautilus), gedit should open it in a new tab, but it does not.

ProblemType: Bug
DistroRelease: Arch 2018.06.01
Package: gedit 3.28.1-1
ProcVersionSignature: Linux version 4.17.2-1-ARCH (builduser@heftig-9574) (gcc version 8.1.1 20180531 (GCC)) #1 SMP PREEMPT Sat Jun 16 11:08:59 UTC 2018
Uname: 4.17.2-1-ARCH
Architecture: amd64
CurrentDesktop: arch:GNOME
Date: Wed jun 20 12:41:56 CEST 2018
ProcEnviron:
 TERM=gnome-terminal
 LANG=cs_CZ.UTF-8
 SHELL=/bin/bash
SourcePackage: gedit