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authorPaul Eggert <eggert@cs.ucla.edu>2021-10-11 21:48:33 -0700
committerPaul Eggert <eggert@cs.ucla.edu>2021-10-11 21:53:28 -0700
commitbdeb83438403b890f10c2818b50622812e1abe9e (patch)
treef9306962e10a803097278f746c196bc163e86b11 /tzfile.5
parentf74940d9686a8179c9c99ed8b30ab736e1a0be1f (diff)
downloadtz-bdeb83438403b890f10c2818b50622812e1abe9e.tar.gz
Document that -00 means local time is unspecified
* tzfile.5, zic.8: Document longstanding practice in time zone abbreviations. This better matches draft RFC 8536bis.
Diffstat (limited to 'tzfile.5')
-rw-r--r--tzfile.54
1 files changed, 3 insertions, 1 deletions
diff --git a/tzfile.5 b/tzfile.5
index 74564cb..e2f11b4 100644
--- a/tzfile.5
+++ b/tzfile.5
@@ -118,7 +118,9 @@ and
serves as an index into the array of time zone abbreviation bytes
that follow the
.B ttinfo
-structure(s) in the file.
+entries in the file; if the designated string is "\*-00", the
+.B ttinfo
+entry is a placeholder indicating that local time is unspecified.
The
.B tt_utoff
value is never equal to \-2**31, to let 32-bit clients negate it without