Maybe, the Python documentation would be more readable by utilizing the Python typing. For example, instead of:

from controller import Node

class Node:
    def getId(self):
    def getDef(self):
    def getParentNode(self):
    def isProto(self):
    def getFromProtoDef(self, name):

we could write

from contro

Hi all,

I have looked into the marker example and according to the description in line 47, the commands from line 47-63 should modify the existing marker. However in reality, new markers are created.

Reason is the id 0 that is being set for the first marker: [this line](https://github.com/osrf/gaze

Desired behavior

On closing Ignition via the X button in the system title bar, have a dialog pop up to confirm exit.
That behavior can get annoying in development and testing, so an additional checkbox menu item for "ask before exit" would be nice.

Currently, the 3 dot "..." menu button is really close to the Close X button on Ubuntu. It's an easy mistake to close all of Ignition when th

The <polyline> element should be supported as a geometry when loading elements via the C++ API.

The tutorial to install Gazebo from source for Gazebo >= 9 in https://github.com/osrf/gazebo_tutorials/blob/master/install_from_source/tutorial_default.md#dart-support reports some Trusty-specific steps (adding ``ppa:libccd-debsandppa:fcl-debs`) that however do not make sense as Gazebo >= 9 does not support Trusty.

This steps may be confusing for users that try to install this PPA in non-T