lstlang0.sty

\lst@definelanguage{SdP}{
  morekeywords=[1]{define, lambda},
  morekeywords=[2]{begin,
    case, cond, match
    else, if,
    let*, let, letrec
    and, or
    quasiquote, quote, unquote, unquote-splicing,
    check-expect, check-property, check-within, for-all},
  showstringspaces=false,
  alsodigit=!\$\%&*+./:<=>?@^_~,
  sensitive=true,
  morecomment=[l]{;},
  morecomment=[s]{\#|}{|\#},
  morestring=[b]",
  basicstyle=\ttfamily\color[HTML]{2B2E82},
  keywordstyle=\bf\ttfamily\color[HTML]{202060},
  commentstyle=\color[HTML]{B27D2E},
  stringstyle={\color[HTML]{568232}},
  upquote=true,
  breaklines=true,
  breakatwhitespace=true,
  keepspaces=true,
  columns=fullflexible,
  % literate={-}{\penalty10000\mbox{-}\allowbreak}{1},
  % backquote, and allow breaking at hyphens, then umlauts
  % https://tex.stackexchange.com/questions/463693/listings-does-not-break-at-pure-hyphen-lines/464309
  literate={`}{{`}}{1} {ä}{{\"a}}{1} {ö}{{\"o}}{1} {ü}{{\"u}}{1} {Ä}{{\"A}}{1} {Ö}{{\"O}}{1} {Ü}{{\"U}}{1} {ß}{{\ss}}{1},
  escapechar=\|,
  mathescape=true
}