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-rw-r--r--zic/README12
1 files changed, 8 insertions, 4 deletions
diff --git a/zic/README b/zic/README
index 985a5118468f..c0cc92853d0c 100644
--- a/zic/README
+++ b/zic/README
@@ -1,4 +1,4 @@
-@(#)README 7.11
+@(#)README 8.2
"What time is it?" -- Richard Deacon as The King
"Any time you want it to be." -- Frank Baxter as The Scientist
@@ -52,8 +52,10 @@ substituting your desired installation directory for "$HOME/tzdir":
To use the new functions, use a "-ltz" option when compiling or linking.
-Historical local time information has been included here not because it
-is particularly useful, but rather to:
+Historical local time information has been included here to:
+
+* provide a compendium of data about the history of civil time
+ that is useful even if the data are not 100% accurate;
* give an idea of the variety of local time rules that have
existed in the past and thus an idea of the variety that may be
@@ -63,7 +65,9 @@ is particularly useful, but rather to:
system.
The information in the time zone data files is by no means authoritative;
-if you know that the rules are different from those in a file, by all means
+the files currently do not even attempt to cover all time stamps before
+1970, and there are undoubtedly errors even for time stamps since 1970.
+If you know that the rules are different from those in a file, by all means
feel free to change file (and please send the changed version to
tz@elsie.nci.nih.gov for use in the future). Europeans take note!