Hi, The default truncate-line option turns off when the org-file contains a #+SETUPFILE: mysetupfile.setup. M-x toggle-truncate-lines gets truncation back.
Emacs : GNU Emacs 24.4.1 (i586-pc-linux-gnu, GTK+ Version 3.14.5) of 2017-09-12 on x86-csail-01, modified by Debian Package: Org mode version 9.0.5 (9.0.5-elpa @ /home/xavier/.emacs.d/elpa/org-20170210/)
