Display of left-indented long-table in a branch

[Jean-Marc Lasgouttes]

Le 22/09/2021 à 13:26, Kornel Benko a écrit :
>> I guess it is time to get rid of this thing. I am not sure how you got
>> it into your document.
> 
> It is long time ago, so I don't know either. The 'problem' is that I am unable to change
> the thing with lyx-tools (neither with GUI, nor with a function)

I guess that, beside the obvious correction with a text editor, the 
solution is like
   M-x paragraph-params \leftindent
but I could not get it to work.

JMarc