Rename session idx to session id throughout and add $ prefix to targets

to use it, extended from a diff from George Nachman.

1 files changed, 1 insertions, 1 deletions

diff --git a/server-fn.c b/server-fn.c
index 874afffb..f0c2dd23 100644
--- a/server-fn.c
+++ b/server-fn.c
@@ -39,7 +39,7 @@ server_fill_environ(struct session *s, struct environ *env)
 		term = options_get_string(&s->options, "default-terminal");
 		environ_set(env, "TERM", term);
 
-		idx = s->idx;
+		idx = s->id;
 	} else
 		idx = -1;
 	pid = getpid();