local prior_title="$(xprop -id $WINDOWID | perl -nle 'print $1 if /^WM_NAME.+= \"(.*)\"$/')"
if [ ! -z "$prior_title" ]; then
#echo "saving prior terminal title as '$prior_title'"
local prior_title="$(xprop -id $WINDOWID | perl -nle 'print $1 if /^WM_NAME.+= \"(.*)\"$/')"
if [ ! -z "$prior_title" ]; then
#echo "saving prior terminal title as '$prior_title'"