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Updates timezone data once again, bump version to 5.10.1b3

The timezone data from IANA has changed (probably several years ago),

and the min/max years have to be changed to -2147481748/2147485547,

which are no acceptable years for timestamps in PostgreSQL and

Oracle. The new timezone data maps now these boundary values 1/9999.

This commit fixes as well a bug introduced by the last version of the

timezone data in cases, where Tcl versions with older timezone data

were used, and the fallback operations based on Tcl failed. Tcl

versions 8.6.14* and Tcl 9.0* have up-to-date time zones, e.g. Tcl

8.6.13 still requires in some rare cases the fallback to the database,

where the error might show up.

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    ./timezone-rules.dat
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Upgrade timezone data to tzdb-2024a (Released 2024-02-01) from IANA

The last update of the timezone data of OpenACS happened on Sep 29,

2015 in the release process of OpenACS 5.9.0. The new timezone data is

based on the newest released data from IANA reflecting the changes

made by political bodies to time zone boundaries, UTC offsets, and

daylight-saving rules. The procedures to update the database are

described in RFC 6557 (https://www.rfc-editor.org/rfc/rfc6557.html)

and contains data for e.g. Europe up to the year 2499.

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    ./timezone-rules.dat
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merged changes from the oacs-5-9 branch and resolved conflicts

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    ./timezone-rules.dat
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- updating timezone info (old data was 7 years old, we have now 43 more timezones and many fixes)

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    ./timezone-rules.dat
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- Solving problem for overlaping in changes for some european times.

- Loading more timezones.

Ref: http://alice.wu-wien.ac.at:8000/xowiki/timezone-updgrade

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    ./timezone-rules.dat
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Decided that assuming SQL data files are CSV-formatted files is a bad idea

after running into a package that embeds comments in its data! Changed

from .csv to .dat and all that implies. Still more testing to do...

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    ./timezone-rules.dat
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