(usage): Document %u.

diff --git a/src/date.c b/src/date.c
index 380c749fae51e711e096c1cda9a803a60cca1bbe..ea02bb3f45b147d090967729771769424dd10208 100644 (file)
--- a/src/date.c
+++ b/src/date.c
@@ -166,6 +166,7 @@ specifies Coordinated Universal Time.  Interpreted sequences are:\n\
   %%S   second (00..60)\n\
   %%t   a horizontal tab\n\
   %%T   time, 24-hour (hh:mm:ss)\n\
+  %%u   day of week (1..7);  1 represents Monday\n\
   %%U   week number of year with Sunday as first day of week (00..53)\n\
   %%V   week number of year with Monday as first day of week (01..53)\n\
   %%w   day of week (0..6);  0 represents Sunday\n\