This site is a static rendering of the Trac instance that was used by R7RS-WG1 for its work on R7RS-small (PDF), which was ratified in 2013. For more information, see Home. For a version of this page that may be more recent, see VerticalLineSymbols in WG2's repo for R7RS-large.


2014-12-28 10:20:07

Racket, Gauche, MIT, Gambit, Chicken, Bigloo, Kawa, SISC, Chibi, Chez, Ikarus/Vicare, STklos, KSi, Rep, Oaklisp, Owl Lisp, Sagittarius all understand |...| syntax.

Scsh, Guile, SCM, NexJ, Shoe, TinyScheme, Dream, S7, BDC, Elk, UMB, VX treat | as an ordinary identifier character.

Scheme48, Larceny, Ypsilon, Mosh, SigScheme, RScheme, XLisp, Schemik, Scheme 9 all report syntax errors.

IronScheme gets hung up reading characters from the input.