[tz] [PROPOSED PATCH 4/4] Use -00 for unset time zones

[Paul Eggert]

* NEWS, factory (Factory): Use the more-standard time zone
abbreviation "-00" to denote a non-setting.
---
 NEWS    | 4 ++++
 factory | 9 +++++----
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/NEWS b/NEWS
index 71916a9..4c0f4e0 100644
--- a/NEWS
+++ b/NEWS
@@ -15,6 +15,10 @@ Unreleased, experimental changes
 
   Changes to past and future time zone abbreviations
 
+    The Factory zone now uses the time zone abbreviation -00 instead
+    of a long English-language string, as -00 is now the normal way to
+    represent an undefined time zone.
+
     Several zones in Antarctica and the former Soviet Union, along
     with zones intended for ships at sea that cannot use POSIX TZ
     strings, now use numeric time zone abbreviations instead of
diff --git a/factory b/factory
index 4304f7c..7c86430 100644
--- a/factory
+++ b/factory
@@ -1,9 +1,10 @@
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
-# For companies who don't want to put time zone specification in
-# their installation procedures.  When users run date, they'll get the message.
-# Also useful for the "comp.sources" version.
+# For distributors who don't want to put time zone specification in
+# their installation procedures.  Users that run 'date' will get the
+# time zone abbrevation "-00", indicating that the actual time zone is
+# unknown.
 
 # Zone	NAME	GMTOFF	RULES	FORMAT
-Zone	Factory	0	- "Local time zone must be set--see zic manual page"
+Zone	Factory	0	-	-00
-- 
2.5.5