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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 53077] [PATCH] Format date to make the lengths independent of DST
Date Sun, 15 Apr 2012 06:11:01 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=53077

Glenn Adams <gadams@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #4 from Glenn Adams <gadams@apache.org> 2012-04-15 06:11:01 UTC ---
(In reply to comment #3)
> (In reply to comment #2)
> > It is my interpretation also that Z00'00 (or Z00'00') is the right way to do
> > it. The specs are open to interpretation but that is the way I understood it
> > when I read it. I know that Adobe Reader has no problem with it too.
> 
> I'm checking with Adobe on this point (using Z00'00 instead of +00'00).

I posed two questions to Adobe's PDF Architects (and editors of ISO/IEC32000):

(1) is it legal to use +00'00 as an alternative for Z (even though it is not
"later than UT")?
(2) is it legal to use Z00'00 as an alternative for Z (this doesn't seem to be
disallowed, though might infer that Z00'01 would be illegal)?

Their initial response is as follows:

<quote>
The specification is intended to be read quite literally.  It says that + is
used for later (not equal) and – is used for earlier (not equal) and Z is used
for equal. Although it only implies it, the Z is not intended to have digits
following it.

Answer to (1) No.
Answer to (2) No, but not so clear in the specification.
</quote>

This indicates that, despite the intent of this bug report, it would be
inadvisable to make the proposed change. I would suggest that the automatic
tests you refer to be changed instead in order to account for the difference.

If I receive some new information that suggest this bug be re-opened, I will do
so; however, in the mean time, I am moving to resolved+wontfix.

Thanks rmeyer for proposing the suggested change, even though we will not at
present commit it.

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