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1 files changed, 13 insertions, 5 deletions
diff --git a/src/alf.rst b/src/alf.rst
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--- a/src/alf.rst
+++ b/src/alf.rst
@@ -182,11 +182,19 @@ actually use this with.
Timestamps
----------
-The date/time stamps stored in the archive are the **mtime**\s of
-the files (which is the same time **ls**\(1) shows, by default), and
-your local timezone is assumed. Only a 2-digit year is displayed by
-**unalf**, but the year stored in the *ALF* file doesn't have a Y2K
-problem. It does, however, have a Y2108 problem...
+The date/time stamps stored in the archive are the **mtime**\s of the
+files (which is the same time **ls**\(1) shows, by default), and your
+local timezone is assumed (but see the **-td**\, **-tu**\, **-tz**
+options above). There's no way to store timezone or daylight savings
+info in the *ALF* file.
+
+The year stored in the *ALF* file doesn't have a Y2K problem. It does,
+however, have a Y2108 problem: the range is from 1980 to 2107.
+
+The timestamp only has 2-second resolution. Files with odd-numbered
+seconds in the *mtime* will have the number before that (1 => 0, 31 =>
+30, etc). This is a limitation of the *ALF* file format. Also of the
+*ARC* format (I didn't know that, did you?)
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