Use -n when "returning" from a function with echo

tdrop

@@ -484,7 +484,7 @@ current_create() {
 	wid=$(xdotool getactivewindow)
 	echo "$wid" > /tmp/tdrop/current"$num"
 	get_class_name "$wid" > /tmp/tdrop/current"$num"_type
-	echo "$wid"
+	echo -n "$wid"
 }
 
 wid_toggle() {
@@ -564,7 +564,7 @@ get_geometry() {
 	if [[ -n $(type is_floating 2> /dev/null) ]] && \
 		[[ -z $(is_floating "$1") ]]; then
 		# window is not floating; don't bother saving geometry
-		echo "false"
+		echo -n "false"
 	else
 		local wininfo x y rel_x rel_y
 		wininfo=$(xwininfo -id "$1")
@@ -586,7 +586,7 @@ get_geometry() {
 				y=$((y-rel_y))
 			fi
 		fi
-		echo -e "X=$x\nY=$y"
+		echo -n -e "X=$x\nY=$y"
 	fi
 }
 
@@ -604,7 +604,7 @@ give_geometry() {
 		X=$((X-x_fix))
 		Y=$((Y-y_fix))
 	fi
-	echo "$X $Y"
+	echo -n "$X $Y"
 }
 
 set_geometry() {