* lisp/emacs-lisp/ert.el (ert-select-tests): Document new error.

diff --git a/lisp/emacs-lisp/ert.el b/lisp/emacs-lisp/ert.el
index e3e85b5cefbe8b56e04cf31a2a49e5a9b15e524d..70ce3a71b23be2a1f2ef2af7f4d0142e5d65bce0 100644 (file)
--- a/lisp/emacs-lisp/ert.el
+++ b/lisp/emacs-lisp/ert.el
@@ -950,7 +950,8 @@ t    -- Selects UNIVERSE.
 :expected, :unexpected -- Select tests according to their most recent result.
 a string -- A regular expression selecting all tests with matching names.
 a test   -- (i.e., an object of the ert-test data-type) Selects that test.
-a symbol -- Selects the test that the symbol names, errors if none.
+a symbol -- Selects the test that the symbol names, signals an
+    `ert-test-unbound' error if none.
 \(member TESTS...) -- Selects the elements of TESTS, a list of tests
     or symbols naming tests.
 \(eql TEST) -- Selects TEST, a test or a symbol naming a test.