On Wednesday, April 29, 2015 at 7:16:20 AM UTC-4, Martin R wrote:
>
> I have read this thread, but I fail to understand the reason.  Eg., there 
> is a commit "extrawurst for graphs".  I thought that by default all objects 
> would display in the console their repr.  The commit seems to indicate that 
> this doesn't work for graphs.  Why?
>

I changed graph._rich_repr_ to return graphics, so right now

sage: graphs.PetersenGraph()
Launched png viewer for Petersen graph: Graph on 10 vertices

only displays graphics (there is a message that an external viewer was 
launched since that may fail or take a long time). It doesn't output 
graph._repr_, though it uses it to construct the informational message.

In #18289 we will switch it back to graphs displaying as text on the 
commandline.

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