no-repro for http://stackoverflow.com/q/25656148/1281433

$ sbcl
This is SBCL 1.2.2, an implementation of ANSI Common Lisp.
More information about SBCL is available at <http://www.sbcl.org/>.

SBCL is free software, provided as is, with absolutely no warranty.
It is mostly in the public domain; some portions are provided under
BSD-style licenses.  See the CREDITS and COPYING files in the
distribution for more information.
* (defun pread (x)
  (format *query-io* "~a:" x)
  (force-output *query-io*)
  (read-line *query-io*))

PREAD
* (pread "Hello")
Hello:hello

"hello"
NIL
* (defun test-read ()
    (read-line *query-io*))

TEST-READ
* (test-read)
hello

"hello"
NIL
*