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1<!DOCTYPE html><!DOCTYPE html>
2<html><html>
3 <head> <head>
4 <meta charset="utf-8"> <meta charset="utf-8">
5 <meta name="description" content="tech notebook @ interfluidity"> <meta name="description" content="tech notebook @ interfluidity">
6 <meta name="keywords" content="Scala, tech, interfluidity"> <meta name="keywords" content="Scala, tech, interfluidity">
7 <meta name="author" content="Steve Randy Waldman"> <meta name="author" content="Steve Randy Waldman">
8 <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
9
10 <!-- icons / favicons -->
11
12 <!-- we just want the squared-corner image with no overlays for traditional favicon uses at tiny sizes -->
13 <!-- swaldman added, ick, firefox scales down the biggest size for its tab icon, so we use the graphic we want for small sizes as the largest... -->
14 <link rel="icon" type="image/png" sizes="500x500" href="../../icon/interfluidity-wave-blank-square-500x500.png">
15 <link rel="icon" type="image/png" sizes="32x32" href="../../icon/interfluidity-wave-blank-square-32x32.png"> <!-- swaldman added, for standard favicon size -->
16 <link rel="icon" type="image/png" sizes="16x16" href="../../icon/interfluidity-wave-blank-square-16x16.png"> <!-- swaldman added, for standard favicon size -->
17 <link rel="icon" type="image/png" href="../../icon/interfluidity-wave-blank-square-57x57.png"> <!-- swaldman added, for small icons by default -->
18
19 <!-- at bigger sizes, we overlay a bit of text -->
20 <!-- icons as recommened by https://mathiasbynens.be/notes/touch-icons -->
21 <!-- For Chrome for Android: -->
22 <link rel="icon" sizes="192x192" href="../../icon/interfluidity-wave-tech-192x192.png">
23 <!-- For iPhone 6 Plus with @3× display: -->
24 <link rel="apple-touch-icon-precomposed" sizes="180x180" href="../../icon/interfluidity-wave-tech-180x180.png">
25 <!-- For iPad with @2× display running iOS ≥ 7: -->
26 <link rel="apple-touch-icon-precomposed" sizes="152x152" href="../../icon/interfluidity-wave-tech-152x152.png">
27 <!-- For iPad with @2× display running iOS ≤ 6: -->
28 <link rel="apple-touch-icon-precomposed" sizes="144x144" href="../../icon/interfluidity-wave-tech-144x144.png">
29 <!-- For iPhone with @2× display running iOS ≥ 7: -->
30 <link rel="apple-touch-icon-precomposed" sizes="120x120" href="../../icon/interfluidity-wave-tech-120x120.png">
31 <!-- For iPhone with @2× display running iOS ≤ 6: -->
32 <link rel="apple-touch-icon-precomposed" sizes="114x114" href="../../icon/interfluidity-wave-tech-114x114.png">
33 <!-- For the iPad mini and the first- and second-generation iPad (@1× display) on iOS ≥ 7: -->
34 <link rel="apple-touch-icon-precomposed" sizes="76x76" href="../../icon/interfluidity-wave-tech-76x76.png">
35 <!-- For the iPad mini and the first- and second-generation iPad (@1× display) on iOS ≤ 6: -->
36 <link rel="apple-touch-icon-precomposed" sizes="72x72" href="../../icon/interfluidity-wave-tech-72x72.png">
37 <!-- For non-Retina iPhone, iPod Touch, and Android 2.1+ devices: -->
38 <link rel="apple-touch-icon-precomposed" href="../../icon/interfluidity-wave-blank-square-57x57.png">
39
40 <!-- end icons / favicons -->
41
42 <link rel="alternate" type="application/rss+xml" title="tech.interfluidity.com updates" href="../../feed/index.rss"> <link rel="alternate" type="application/rss+xml" title="tech.interfluidity.com updates" href="../../feed/index.rss">
43 <link rel="alternate" type="application/rss+xml" title="interfluidity - all blogs" href="https://www.interfluidity.com/unify-rss/all-blogs.rss"> <link rel="alternate" type="application/rss+xml" title="interfluidity - all blogs" href="https://www.interfluidity.com/unify-rss/all-blogs.rss">
44 <link rel="alternate" type="application/rss+xml" title="interfluidity - all blogs and microblogs" href="https://www.interfluidity.com/unify-rss/all-blogs-and-microblogs.rss"> <link rel="alternate" type="application/rss+xml" title="interfluidity - all blogs and microblogs" href="https://www.interfluidity.com/unify-rss/all-blogs-and-microblogs.rss">
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83 <hr class="below-title"> <hr class="below-title">
84 </div> </div>
85 <div class="update-prepend rss-description-exclude"> <div class="update-prepend rss-description-exclude">
86 <em> ➣  This post was meaningfully revised at 2024-06-02 @ 12:25 AM EDT. The previous revision is <a href="index-oldcommit-199e44561de3fd9e731a335d8b2a655f42d9bc04.html">here</a>. (See <a href="index.html#update-history">update history</a>.) <br> <em> ➣  This post was meaningfully revised at 2024-06-11 @ 02:10 PM EDT. The previous revision is <a href="index-oldcommit-6c5fef82527bd419e8e9c7e7f3a6420c9925cf10.html">here</a>, diff <a href="index-diff-6c5fef82527bd419e8e9c7e7f3a6420c9925cf10-to-current.html">here</a>. (See <a href="index.html#update-history">update history</a>.) <br>
87 ➣  This post is expected to evolve over time. You can subscribe to ongoing updates <a href="index-sprout.rss">here</a>. ➣  This post is expected to evolve over time. You can subscribe to ongoing updates <a href="index-sprout.rss">here</a>.
88 <link rel="alternate" type="application/rss+xml" title="Update to The 'iffy' XML namespace" href="https://tech.interfluidity.com/xml/iffy/index-sprout.rss"></em> <link rel="alternate" type="application/rss+xml" title="Update to The 'iffy' XML namespace" href="https://tech.interfluidity.com/xml/iffy/index-sprout.rss"></em>
89 <hr> <hr>
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100 <ul> <ul>
101 <li><a href="#iffy-completeness"><code>iffy:completeness</code></a></li> <li><a href="#iffy-completeness"><code>iffy:completeness</code></a></li>
102 <li><a href="#iffy-diff"><code>iffy:diff</code></a></li> <li><a href="#iffy-diff"><code>iffy:diff</code></a></li>
103 <li><a href="#iffy-hint-announce"><code>iffy:hint-announce</code></a></li>
104 <li><a href="#iffy-initial"><code>iffy:initial</code></a></li> <li><a href="#iffy-initial"><code>iffy:initial</code></a></li>
105 <li><a href="#iffy-policy"><code>iffy:policy</code></a></li>
106 <li><a href="#iffy-provenance"><code>iffy:provenance</code></a></li> <li><a href="#iffy-provenance"><code>iffy:provenance</code></a></li>
107 <li><a href="#iffy-restriction"><code>iffy:restriction</code></a></li>
108 <li><a href="#iffy-revision"><code>iffy:revision</code></a></li> <li><a href="#iffy-revision"><code>iffy:revision</code></a></li>
109 <li><a href="#iffy-update"><code>iffy:update</code></a></li> <li><a href="#iffy-update"><code>iffy:update</code></a></li>
110 <li><a href="#iffy-update-history"><code>iffy:update-history</code></a></li> <li><a href="#iffy-update-history"><code>iffy:update-history</code></a></li>
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162 <p>See also <a href="#iffy-update-history"><code>iffy:update-history</code> example</a>.</p> <p>See also <a href="#iffy-update-history"><code>iffy:update-history</code> example</a>.</p>
163 </div> </div>
164 <hr> <hr>
165 <p><a id="iffy-hint-announce" href=""></a><strong>Element — <code>iffy:hint-announce</code></strong></p>
166 <div class="iffy-element-desc">
167 <p><strong>When a subelement of <code>item</code></strong></p>
168 <p>Represents a <em>hint</em> to RSS consumers that "push" — announce, rebroadcast, or notify — items whether this item should be so pushed. Consumers are free to ignore this hint or make use of it as they wish.</p>
169 <p>MUST contain an <a href="#iffy-policy"><code>iffy:policy</code></a> element, whose values MUST BE one of</p>
170 <ul>
171 <li><code>Always</code> — the item should always be notified</li>
172 <li><code>Never</code> — the item should never be notified</li>
173 <li><code>Piggyback</code> — the item should be notified as part of digests or other announcements of multiple items, but should not constitute its own announcement.</li>
174 </ul>
175 <p>MAY contain an <a href="#iffy-restriction"><code>iffy:restriction</code></a> element, which represents an application-specific restriction over the consumers to which it is addressed. No restrictions are placed on the content of the <code>iffy:restriction</code> element. Applications can define restrictions as they see fit.</p>
176 <p>An <code>iffy:hint-announce</code> element with NO <code>iffy:restriction</code> or an empty <code>iffy:restriction</code> tag should be interpreted as the intended default for ALL applications not addressed by an <code>iffy:hint-announce</code> with a more specific restriction.</p>
177 <p>Multiple <code>iffy:hint-announce</code> elements may be placed within a single <code>item</code>, provided that only one has an omitted or empty <code>iffy:restriction</code>, and all <code>iffy:hint-announce</code> elements containing an <code>iffy:restriction</code> contain a unique restriction. Each <code>iffy:restriction</code> SHOULD apply to nonoverlapping application-specific contexts. If that is not the case, how applications prioritize or respond to conflicting <code>iffy-hint-announce</code> elements whose restrictions both apply must be determined by the application.</p>
178 <p><strong>Example</strong>:</p>
179 <pre><code class="language-xml"><iffy:hint-announce>
180 <iffy:policy>Piggyback</iffy:policy>
181</iffy:hint-announce>
182</code></pre>
183 </div>
184 <hr>
185 <p><a id="iffy-initial" href=""></a><strong>Element — <code>iffy:initial</code></strong></p> <p><a id="iffy-initial" href=""></a><strong>Element — <code>iffy:initial</code></strong></p>
186 <div class="iffy-element-desc"> <div class="iffy-element-desc">
187 <p><strong>When a subelement of <a href="#iffy-update-history"><code>iffy:update-history</code></a></strong></p> <p><strong>When a subelement of <a href="#iffy-update-history"><code>iffy:update-history</code></a></strong></p>
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194</code></pre></code></pre>
195 </div> </div>
196 <hr> <hr>
197 <p><a id="iffy-policy" href=""></a><strong>Element — <code>iffy:policy</code></strong></p>
198 <div class="iffy-element-desc">
199 <p>In general, represents a statement of some kind of policy with respect to its containing element, suggested to feed consumers for handling a feed or item.</p>
200 <p><strong>When a subelement of <a href="#iffy-hint-announce"><code>iffy:hint-announce</code></a></strong></p>
201 <p>Please see <a href="#iffy-hint-announce"><code>iffy:hint-announce</code></a>.</p>
202 </div>
203 <hr>
204 <p><a id="iffy-provenance" href=""></a><strong>Element — <code>iffy:provenance</code></strong></p> <p><a id="iffy-provenance" href=""></a><strong>Element — <code>iffy:provenance</code></strong></p>
205 <div class="iffy-element-desc"> <div class="iffy-element-desc">
206 <p><strong>When an item level element</strong></p> <p><strong>When an item level element</strong></p>
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237</code></pre></code></pre>
238 </div> </div>
239 <hr> <hr>
240 <p><a id="iffy-restriction" href=""></a><strong>Element — <code>iffy:restriction</code></strong></p>
241 <div class="iffy-element-desc">
242 <p>In general, represents an expressin of some kind of restriction over the application of its containing element.</p>
243 <p><strong>When a subelement of <a href="#iffy-hint-announce"><code>iffy:hint-announce</code></a></strong></p>
244 <p>Please see <a href="#iffy-hint-announce"><code>iffy:hint-announce</code></a>.</p>
245 </div>
246 <hr>
247 <p><a id="iffy-revision" href=""></a><strong>Element — <code>iffy:revision</code></strong></p> <p><a id="iffy-revision" href=""></a><strong>Element — <code>iffy:revision</code></strong></p>
248 <div class="iffy-element-desc"> <div class="iffy-element-desc">
249 <p>MUST contain a URL, URI, or <a href="https://datatracker.ietf.org/doc/html/rfc3987">IRI</a> of a either a fixed past revision or the current (potentially evolving) revision of an item.</p> <p>MUST contain a URL, URI, or <a href="https://datatracker.ietf.org/doc/html/rfc3987">IRI</a> of a either a fixed past revision or the current (potentially evolving) revision of an item.</p>
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333 <div class="post-metainfo"> <div class="post-metainfo">
334 <a href="index.html">04:10 AM EDT</a> <a href="index.html">04:10 AM EDT</a>
335 <div class="updated-note"> <div class="updated-note">
336 <a href="index.html#major-updates">Last major update at 2024-06-02 @ 12:25 AM EDT</a> <a href="index.html#major-updates">Last major update at 2024-06-11 @ 02:10 PM EDT</a>
337 </div> </div>
338 </div> </div>
339 </div> </div>
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353 <div id="update-history" class="update-history"> <div id="update-history" class="update-history">
354 <h3 class="update-history-title"><a id="major-updates" href=""></a>Major revisions:</h3> <h3 class="update-history-title"><a id="major-updates" href=""></a>Major revisions:</h3>
355 <ul> <ul>
356 <li><span class="update-timestamp"><i>2024-06-02 @ 12:25 AM EDT</i></span> — Drop <code>iffy:timestamp</code>. We can just reuse <code>atom:updated</code> for the same work. (<a href="index-diff-199e44561de3fd9e731a335d8b2a655f42d9bc04-to-current.html">diff</a>)</li> <li><span class="update-timestamp"><i>2024-06-11 @ 02:10 PM EDT</i></span> — Document <code>iffy:hint-announce</code>, <code>iffy:policy</code>, and <code>iffy:restriction</code>. (<a href="index-diff-6c5fef82527bd419e8e9c7e7f3a6420c9925cf10-to-current.html">diff</a>)</li>
357 <li><span class="update-timestamp"><i> <a href="index-oldcommit-6c5fef82527bd419e8e9c7e7f3a6420c9925cf10.html">2024-06-02 @ 12:25 AM EDT</a></i></span> — Drop <code>iffy:timestamp</code>. We can just reuse <code>atom:updated</code> for the same work. (<a href="index-diff-199e44561de3fd9e731a335d8b2a655f42d9bc04-to-6c5fef82527bd419e8e9c7e7f3a6420c9925cf10.html">diff</a>)</li>
358 <li><span class="update-timestamp"><i> <a href="index-oldcommit-199e44561de3fd9e731a335d8b2a655f42d9bc04.html">2024-06-01 @ 09:35 PM EDT</a></i></span> — Add initial take on tags related to updates and revisions. (<a href="index-diff-72eaf9fdfebc9e627bff33bbe1102d4d250ad1d0-to-199e44561de3fd9e731a335d8b2a655f42d9bc04.html">diff</a>)</li> <li><span class="update-timestamp"><i> <a href="index-oldcommit-199e44561de3fd9e731a335d8b2a655f42d9bc04.html">2024-06-01 @ 09:35 PM EDT</a></i></span> — Add initial take on tags related to updates and revisions. (<a href="index-diff-72eaf9fdfebc9e627bff33bbe1102d4d250ad1d0-to-199e44561de3fd9e731a335d8b2a655f42d9bc04.html">diff</a>)</li>
359 <li><span class="update-timestamp"><i> <a href="index-oldcommit-72eaf9fdfebc9e627bff33bbe1102d4d250ad1d0.html">2024-05-25 @ 11:00 PM EDT</a></i></span> — Add JS/CSS so that prior revisions are visually distinct from current. (<a href="index-diff-13de0232319ceab2f830591c318089d18cbec78d-to-72eaf9fdfebc9e627bff33bbe1102d4d250ad1d0.html">diff</a>)</li> <li><span class="update-timestamp"><i> <a href="index-oldcommit-72eaf9fdfebc9e627bff33bbe1102d4d250ad1d0.html">2024-05-25 @ 11:00 PM EDT</a></i></span> — Add JS/CSS so that prior revisions are visually distinct from current. (<a href="index-diff-13de0232319ceab2f830591c318089d18cbec78d-to-72eaf9fdfebc9e627bff33bbe1102d4d250ad1d0.html">diff</a>)</li>
360 <li><span class="update-timestamp"><i> <a href="index-oldcommit-13de0232319ceab2f830591c318089d18cbec78d.html">2024-05-24 @ 12:25 AM EDT</a></i></span> — Drop tags <code>iffy:when-updated</code> and <code>iffy:original-guid</code>, bad appraoch to updates. (<a href="index-diff-394986cb8d9c57f567d324e691a44d50102101ce-to-13de0232319ceab2f830591c318089d18cbec78d.html">diff</a>)</li> <li><span class="update-timestamp"><i> <a href="index-oldcommit-13de0232319ceab2f830591c318089d18cbec78d.html">2024-05-24 @ 12:25 AM EDT</a></i></span> — Drop tags <code>iffy:when-updated</code> and <code>iffy:original-guid</code>, bad appraoch to updates. (<a href="index-diff-394986cb8d9c57f567d324e691a44d50102101ce-to-13de0232319ceab2f830591c318089d18cbec78d.html">diff</a>)</li>
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371 </div> </div>
372 </body> </body>
373</html></html>