Beamer > blue line at left of frame > how to get rid of it

[Jürgen Spitzmüller]

Am Samstag, den 11.01.2020, 11:10 +0100 schrieb Wolfgang Engelmann:
> I somehow managed to get a blue line at the left of a frame
> 
> How do I get rid of it? Whatever I try it stays or the muddle becomes
> worse

You can't get rid of it. As with any other environment, this tells you
what is contained ("nested") in the current frame.

Jürgen

> 
> Wolfgang
> 
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