Why not just have a few special "keywords" like __ns and __node? Blanket banning __ just for those two usages seems rather overkill. --- [Visit Topic](https://discourse.ros.org/t/requesting-comments-on-forbidding-consecutive-underscores-in-topic-names/3718/3) or reply to this email to respond. If you do not want to receive messages from ros-users please use the unsubscribe link below. If you use the one above, you will stop all of ros-users from receiving updates. ______________________________________________________________________________ ros-users mailing list ros-users@lists.ros.org http://lists.ros.org/mailman/listinfo/ros-users Unsubscribe: