Hi Eric,

I think you found the correct underlying issue:
https://github.com/ros/rosdistro/pull/1856

The error reporting should be cleaned up.  I've opened a ticket here to
clean it up: https://github.com/ros-infrastructure/roswiki/issues/56

Tully


On Sun, Aug 25, 2013 at 11:44 AM, Eric Perko <wisesage5001@gmail.com> wrote:

> I'm attempting to add automated message documentation using MsgSrvDoc to
> the nmea_msgs package I released for Hydro. It is both released and in the
> doc index (but it is new in Hydro, so is not present in Groovy or earlier).
>
> When I add the <<MsgSrvDoc(nmea_msgs)>> call to
> http://ros.org/wiki/nmea_msgs ,  the macro simply returns with the
> following error:
>
> <<MsgSrvDoc: execution failed [local variable 'url' referenced before
> assignment] (see also the log)>>
>
> I can't find any documentation on that macro, so I have no idea if I'm
> missing some other step in order to use it on my own message package. I've
> emulated what was done on both the sensors_msgs and tf2_msgs pages, so I
> assumed it would work.
>
> Is there something else I need to do to use the MsgSrvDoc macro?
>
> - Eric
>
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