How can I "condense" the dispayed text (make the text closer)

Hello!
I noticed that TexMacs automatically (and dynamically) decides the density of text and formula in pages.

I have the need to “condense” as much text as possible into one page. Is there a way to set the density of text to a fixed value instead of the classic automatic formatting?

Thanks in advance.

Pls. try and see the environment variables in https://www.texmacs.org/tmdoc/devel/format/environment/env-par.en.html
I would experiment with par-line-sep

Thanks for the tip! I found it definitely useful!
For future reference, I also found another option that is useful for “condensing” informations in a doc. That is the “math condensed” variable. If set to true, it seems that all the math in the document gets compressed.