(get-output-stream-string out-stream))
;; (Before the fix, the LET* expression just signalled an error.)
"a"))
+
+;; 0.7.12 doesn't advance current stream in concatenated streams
+;; correctly when searching a stream for a char to read.
+(with-input-from-string (p "")
+ (with-input-from-string (q "foo")
+ (let* ((r (make-concatenated-stream p q)))
+ (peek-char nil r))))