[tz] [PATCH] * tz-link.htm: Update for moved and expired URLs.

Paul Eggert eggert at cs.ucla.edu
Fri Oct 20 21:39:37 UTC 2017

 tz-link.htm | 29 +++++++++--------------------
 1 file changed, 9 insertions(+), 20 deletions(-)

diff --git a/tz-link.htm b/tz-link.htm
index 03259d2..e7a7c8f 100644
--- a/tz-link.htm
+++ b/tz-link.htm
@@ -267,9 +267,10 @@ href="https://tools.ietf.org/html/rfc7808">TZDIST</a>
 (Internet <abbr>RFC</abbr> 7808), a time zone data distribution service,
 along with <a href="https://tools.ietf.org/html/rfc7809">CalDAV</a>
 (Internet <abbr>RFC</abbr> 7809), a calendar access protocol for
-transferring time zone data by reference. The draft <a id="TZDIST-Geolocate"
+transferring time zone data by reference. The (expired) draft <a
-Geolocate Extension</a> lets a client determine its time zone region
+Geolocate Extension</a> would have let a client determine its time zone region
 from its geographic location using a <a
 href="https://tools.ietf.org/html/rfc5870">'geo' URI</a>.</li>
 <li>The <a href="https://tools.ietf.org/html/rfc5545">
@@ -504,9 +505,6 @@ href="https://www.oracle.com/java/index.html">Oracle
 Java</a> contains a copy of a subset of a recent
 <code><abbr>tz</abbr></code> database in a
 Java-specific format.</li>
-<li><a href="https://kimmo.suominen.com/sw/timezone/">Time Zone</a> is
-a <a href="https://wordpress.org">WordPress</a> plugin. It is freely
-available under a <abbr>BSD</abbr>-style license.</li>
 <li><a href="http://www.relativedata.com/time-zone-master">Time Zone
 Master</a> is a Microsoft Windows clock program that can automatically
 download, compile and use <code>tz</code> releases. The Basic version
@@ -589,7 +587,8 @@ maps</a> contains <a
 href="https://en.wikipedia.org/wiki/Shapefile">shapefiles</a> of
 sets of <code><abbr>tz</abbr></code> regions. This includes
 <a href="http://efele.net/maps/tz/world/">tz_world</a>, a shapefile
-for all the world's regions</li>
+for all the world's regions. These maps are no longer maintained and
+are superseded by the Timezone Boundary Builder.</li>
 is in <a href="https://tools.ietf.org/html/rfc7946">GeoJSON</a> format
@@ -633,10 +632,7 @@ the <a href="https://timezonedb.com">Time Zone Database & API</a>.
 Commercial network API access is provided
 by <a href="https://askgeo.com">AskGeo</a>
 and <a href="https://www.geogarage.com/blog/news-1/post/geogarage-time-zone-api-31">GeoGarage</a>.
-Also, an <a
-server</a> is available for the TZDIST Geolocate Extension mentioned
-<a href="#TZDIST-Geolocate">above</a>.</li>
 to get a time zone from a location using latitude and longitude
@@ -648,13 +644,10 @@ political subdivision data related to time zones.</li>
 zone boundaries for multizone countries</a> summarizes legal
 boundaries between time zones within countries.</li>
 <li>Manifold.net's <a
-href="http://manifold.net/info/freestuff.shtml">Free Stuff for
+href="http://manifold.net/info/freestuff.shtml">Free Downloads for
 Manifold System Users</a> includes a Manifold-format map of
 world time zone boundaries distributed under the
-<li>The GeoCommunity lists several commercial sources for <a
-Time Zones and Time Zone Data</a>.</li>
 <li>A ship within the <a
 waters</a> of any nation uses that nation's time. In international
@@ -723,7 +716,7 @@ href="ftp://ftp.cs.huji.ac.il/pub/tz/announcements"
 hreflang="he">announcements (in Hebrew)</a>.</dd>
 <dd>The National Institute of Metrological Research maintains a
-<a href="http://www.inrim.it/res/tf/ora_legale_i.shtml">table of civil time
+<a href="http://www.nanospin.eu/res/tf/ora_legale_i.shtml">table of civil time
 (in Italian)</a>.</dd>
 <dd>The Investigation and Analysis Service of the Mexican Library of
@@ -763,7 +756,7 @@ Time Zone Proceedings</a> lists changes to time zone boundaries.</dd>
 <h2 id="precision">Precision timekeeping</h2>
 Science of Timekeeping</a> is a thorough introduction
 to the theory and practice of precision timekeeping.</li>
 <li><a href="http://www.ntp.org"><abbr
@@ -882,10 +875,6 @@ protocols.</li>
 <a href="https://www.hackcraft.net/web/datetime/">Date & Time
 Formats on the Web</a> surveys web- and Internet-oriented date and time
-<a href="http://exit109.com/~ghealton/y2k/yrexamples.html">The
-Best of Dates, the Worst of Dates</a> covers many problems encountered
-by software developers when handling dates and time stamps.</li>
 <li>Alphabetic time zone abbreviations should not be used as unique
 identifiers for <abbr>UTC</abbr> offsets as they are ambiguous in
 practice. For example, in English-speaking North America

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