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.
Source for wiki CharEq version 1
No Scheme standard requires `(eq? #\a #\a)` to return `#t`, but most implementations do. The exceptions:
SISC, !IronScheme, KSi, Scheme 9, UMB, Llava: returns `#f`.
XLisp: returns `()`, which is the same as `#f`.
Schemik, SIOD: no character type.