multicall jerboa --version: add Chez Scheme attribution line

ober

bae3de6aec9b12b1f73438843dbff5b9597f9e83

diff --git a/docs/bundling-chez.md b/docs/bundling-chez.md
index dce1f0e..8c19ed7 100644
--- a/docs/bundling-chez.md
+++ b/docs/bundling-chez.md
@@ -102,7 +102,8 @@ dirs; supports multiple independent instances.
 
 1. **Licensing / attribution (nearly done).** Root `LICENSE-CHEZ` (the Chez
    NOTICE + Apache 2.0 text) is in place, the README's License section credits
-   Chez, and `jerboa-bin --version` prints a Chez attribution line. Still TODO:
+   Chez, and both `jerboa-bin` and the multicall `jerboa --version` print a Chez
+   attribution line. Still TODO:
    confirm lz4/zlib (vendored under
    `vendor/ChezScheme/`) are cleared for redistribution. Compliance, not
    theory — settle it before any tagged release.
diff --git a/support/build-jerboa-multicall.ss b/support/build-jerboa-multicall.ss
index 3957564..62ca61b 100644
--- a/support/build-jerboa-multicall.ss
+++ b/support/build-jerboa-multicall.ss
@@ -228,7 +228,10 @@
                               (unless (eq? result (void)) (write result) (newline))))
                           (loop)])))]
                   [(or (string=? (car args) "--version") (string=? (car args) "-v"))
-                   (displayln "jerboa 0.1.0 (multicall: jerboa/jmcp/jlsp/jerbuild)")]
+                   (displayln "jerboa 0.1.0 (multicall: jerboa/jmcp/jlsp/jerbuild)")
+                   (displayln (string-append "Bundled " (scheme-version)
+                                             " (Apache 2.0, (c) Cisco Systems, Inc.)"))
+                   (displayln "See LICENSE-CHEZ for Chez Scheme's NOTICE and license.")]
                   [(or (string=? (car args) "--help") (string=? (car args) "-h"))
                    (for-each displayln
                      (list "Usage: jerboa [<script.ss> | <mode> ...] [--version]"