let-optionals*didn't accept internal define.
let(rec)-syntaxwasn't spliced properly.
let(rec)-syntaxhad invalid scope.
date-nanosecondsometimes returned negative integer.
(text csv)used wrong range of character sets.
(rpc json)and related RPC libraries are now documented.
(sagittarius debug)is now documented.
#!r7rsnow switches readtable to proper R7RS mode. In this mode, keyword won't be read as keyword.