Add -F to $LESS

Works since less v530, see
https://unix.stackexchange.com/a/107355

.env

@@ -9,7 +9,7 @@ umask 077
 # set PATH
 PATH="$PATH:$HOME/.local/bin"
 # set TMPDIR
-TMPDIR="/ptmp/$USER/tmp"
+TMPDIR="$HOME/ptmp/tmp"
 export TMPDIR
 
 # default editor
@@ -18,8 +18,7 @@ export EDITOR
 
 # default options for less
 # default used by git if LESS is unset: LESS='FRX'
-# TODO: make -F work without -X
-LESS="$LESS -i -M -R -x4"
+LESS="$LESS -F -i -M -R -x4"
 export LESS
 
 # set variable to mark this file as read