Hi, this is a report for Guile 2.2:

    neil@henry:~$ guile --version
    guile (GNU Guile) 2.2.3
    Packaged by Debian (2.2.3-deb+1-3ubuntu0.1)

I'm seeing something that looks like a line or sexp length limit when
reading from a terminal.  Sample inputs are in the attached file.