maint: avoid syntax-check failure

* man/date.x: Add a copyright header to fix sc_copyright_check.
Reported by Bruno Haible.

diff --git a/man/date.x b/man/date.x
index 46fcfe978f54942cb643a699b49a1443ad02151d..c0bdc41c6b0c5b3bdcba6a5309e12d25b5b378f9 100644 (file)
--- a/man/date.x
+++ b/man/date.x
@@ -1,3 +1,8 @@
+'\" Copyright (C) 1998-2026 Free Software Foundation, Inc.
+'\"
+'\" This is free software.  You may redistribute copies of it under the terms
+'\" of the GNU General Public License <https://www.gnu.org/licenses/gpl.html>.
+'\" There is NO WARRANTY, to the extent permitted by law.
 [NAME]
 date \- print or set the system date and time
 [SYNOPSIS]