afterpoemtitleskip
beforepoemtitleskip
flagverse
indentpattern
poemlines
poemtitle
poemtitle*
poemtitlefont
poemtitlemark
poemtoc
stanzaskip
thepoemline
verselinebreak
verselinenumbersleft
verselinenumbersright
verselinenumfont
versewidth
vgap
vindent
vleftskip
vrightskip
\begin{altverse}
\begin{patverse}
\begin{patverse*}
