I'v installed xfce 4.12 on debian jessie from testing by adding the testing repo in
deb http://ftp.us.debian.org/debian/ testing main contrib non-free deb-src http://ftp.us.debian.org/debian/ testing main contrib non-free
I have tried to pin the package to experimental with
Package: xfce4 Pin: release a=testing Pin-Priority: 750
Problem is that running
apt-get update && apt-get upgrade I am getting updates from the experimental repo for all installed packages whereas I would like to achieve ugrading xfce from testing and all the rest from jessie stable.
Seeking help to solve this as I do not fully understand the pinning system.