Comment by psychoslave
19 hours ago
Just when I started to look back at latex to typeset some poetry of mine yesterday!
Been a while since I didn't touch it, so I didn't even have texlive installed on my Ubuntu box, and started a chase of dependency to make my French specific stuff to install. I still need to see if I can manage to make the three strophe I wrote be as rectangle shaped as possible, be it with automatic line break on a vers (not sure the term in English) to the next row right aligned and preceded with a [
There are packages that support poetry directly.
And if you’ve not seen the memoir package collection it (and the accompanying ebook on typesetting) is worth a look.
I'm not 100% sure what you're looking for, but placing "\parfillskip=0pt" at the start of the paragraph will make the last line end on the right margin, which I think is what you mean by "rectangle shaped".