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-rw-r--r--src/util/sys_defs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/util/sys_defs.h b/src/util/sys_defs.h
index 9247185..62749ab 100644
--- a/src/util/sys_defs.h
+++ b/src/util/sys_defs.h
@@ -1332,6 +1332,13 @@ extern int dup2_pass_on_exec(int oldd, int newd);
#endif
/*
+ * The RFC 5322 Date and Time Specification recommends single space between
+ * date-time tokens. To avoid breaking change, format all numerical days as
+ * two-digit days (i.e. days 1-9 now have a leading zero instead of space).
+ */
+#define TWO_DIGIT_DAY_IN_DATE_TIME
+
+ /*
* Check for required but missing definitions.
*/
#if !defined(HAS_FCNTL_LOCK) && !defined(HAS_FLOCK_LOCK)