docs: test-driver options do not accept =, update --help.

This change fixes https://bugs.gnu.org/22445.

* lib/test-driver (print_usage): space after --test-name,
--log-file, --trs-file, not =. Also mention Automake as source.

diff --git a/lib/test-driver b/lib/test-driver
index 89dba1e075cd371918d8ffa3bfd2051bbab0b370..9759384aa72c4e4a80362a046b3e71d496e15651 100755 (executable)
--- a/lib/test-driver
+++ b/lib/test-driver
@@ -42,11 +42,13 @@ print_usage ()
 {
   cat <<END
 Usage:
-  test-driver --test-name=NAME --log-file=PATH --trs-file=PATH
-              [--expect-failure={yes|no}] [--color-tests={yes|no}]
-              [--enable-hard-errors={yes|no}] [--]
+  test-driver --test-name NAME --log-file PATH --trs-file PATH
+              [--expect-failure {yes|no}] [--color-tests {yes|no}]
+              [--enable-hard-errors {yes|no}] [--]
               TEST-SCRIPT [TEST-SCRIPT-ARGUMENTS]
+
 The '--test-name', '--log-file' and '--trs-file' options are mandatory.
+See the GNU Automake documentation for information.
 END
 }