[sugar] files over tubes

[Morgan Collett]

Erik Blankinship wrote:
> 
>     Erik Blankinship wrote:
>     > It is not clear to me how I would send a large pdf file using tubes.
> 
>     How large? Large enough that you wouldn't want to store the whole
>     thing in memory?
> 
> 
> Yes.

I attached an (untested, incomplete) patch for HelloMesh to
https://dev.laptop.org/ticket/4051 as a suggestion.

Let me know if you get stuck.

Regards
Morgan