declare a version in `swank:connection-info`

Useful both for me, to track what slime version is most likely to be
maximally compatible, and for SLIMV users, which dispatch on the
version to know whether the protocol is byte-count-based or
character-count-based.

diff --git a/swank.R b/swank.R
index 49f73ff..979bd84 100644 (file)
--- a/swank.R
+++ b/swank.R
@@ -293,6 +293,7 @@ printToString <- function(val) {
 `swank:connection-info` <- function (slimeConnection, sldbState) {
   list(quote(`:pid`), Sys.getpid(),
        quote(`:package`), list(quote(`:name`), "R", quote(`:prompt`), "R> "),
+       quote(`:version`), "2012-04-23",
        quote(`:encoding`), list(quote(`:coding-systems`), list("utf-8-unix")),
        quote(`:lisp-implementation`), list(quote(`:type`), "R",
                                            quote(`:name`), "R",