<div style="font-family: Arial; font-size: 13;"><span style="font-family: Tahoma; font-size: 16px;">Wow! This is really interesting!</span><br style="font-family: Tahoma; font-size: 16px;"><span style="font-family: Tahoma; font-size: 16px;">What minimum version of cyrus sources can I use for these changes?</span><br style="font-family: Tahoma; font-size: 16px;"><span style="font-family: Tahoma; font-size: 16px;">At the moment I'm running servers with 2.4.12, on our illumos based distro XStreamOS.</span><br><br><div id="wt-mailcard"><div style="font-family: Arial;">----------------------------------------------------------------------------------------<br></div><div style="font-family: Arial;"><b>Sonicle S.r.l. </b>: <a href="http://www.sonicle.com/" target="_new">http://www.sonicle.com</a></div><div style="font-family: Arial;"><b>Music: </b><a href="http://www.gabrielebulfon.com/" target="_new">http://www.gabrielebulfon.com</a></div><div style="font-family: Arial;"><b>Quantum Mechanics : </b><a href="http://www.cdbaby.com/cd/gabrielebulfon" target="_new">http://www.cdbaby.com/cd/gabrielebulfon</a></div></div><br><hr><br><br><font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b> Ken Murchison <murch@andrew.cmu.edu><br><b>A:</b> gbulfon@sonicle.com info-cyrus@lists.andrew.cmu.edu <br><b>Data:</b> 14 luglio 2016 17.14.18 CEST<br><b>Oggetto:</b> Re: thread=refs<br></font><br><br><blockquote style="BORDER-LEFT: #000080 2px solid; MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
    I went ahead and committed an implementation of THREAD-REFS: <a href="https://github.com/cyrusimap/cyrus-imapd/commit/16747e608f32f9dd9348988d3f83cb8f1b037ff6"></a><a class="moz-txt-link-freetext" href="https://github.com/cyrusimap/cyrus-imapd/commit/16747e608f32f9dd9348988d3f83cb8f1b037ff6">https://github.com/cyrusimap/cyrus-imapd/commit/16747e608f32f9dd9348988d3f83cb8f1b037ff6</a><br>
    <br>
    Per the draft, grouping by subject is skipped and threads (toplevel
    messages) are sorted by INTERNALDATE, while the messages within the
    threads are still sorted by SENTDATE.<br>
    <br>
    I confirmed that THREAD=REFERENCES is still correct, but I have
    nothing to compare THREAD=REFS results to.  The current threading in
    Thunderbird is close, but it might be using INTERNALDATE throughout.<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 07/12/2016 04:44 PM, Ken Murchison
      via Info-cyrus wrote:<br>
    </div>
    <blockquote cite="mid:578556BD.9070505@andrew.cmu.edu" type="cite">
      <meta content="text/html; charset=windows-1252" http-equiv="Content-Type">
      Gabriele,<br>
      <br>
      The attached patch is what I was thinking in terms of
      implementation.  It skips the grouping by subject for REFS, but I
      didn't do the REFS-specific date handling.  Contrary to what the
      THREAD=REFS draft says, I'm not sure if the special date handling
      should be done in step 4 or 6.  I would have to did deeper into
      the code to see where is belongs.<br>
      <br>
      <br>
      <div class="moz-cite-prefix">On 07/08/2016 11:36 AM, Gabriele
        Bulfon via Info-cyrus wrote:<br>
      </div>
      <blockquote cite="mid:6694663.436.1467992167335.JavaMail.sonicle@www" type="cite">
        <div style="font-family: Arial; font-size: 13;">Mainly web
          clients, installed clients usually implements threading
          internally to overcome problems with the original references
          algorithm that is often confusing.</div>
        <div style="font-family: Arial; font-size: 13;"><br>
        </div>
        <div style="font-family: Arial; font-size: 13;">The problem with
          references is that it includes subject grouping, that is an
          old netscape model of the 90s: today, we just need references
          within the headers ids, or we may take a wrong message in the
          thread just because it has a similar subject (for example
          automatic mails with same subjects would be treated as a
          thread, which is wrong).</div>
        <div style="font-family: Arial; font-size: 13;"><br>
        </div>
        <div style="font-family: Arial; font-size: 13;">Now, we're
          staring to implement threading view on our web collaboration
          software, running on cyrus.</div>
        <div style="font-family: Arial; font-size: 13;">So we are
          investigating how RoundCube is doing threading on a dovecot
          installation, and we found it to be the same as the client
          algrithm of Thunderbird, which is fine. Looking at the
          protocol, it uses REFS first, probably because it has no
          subject grouping by definition, and it should have a better
          date sorting. Should, because I found that Dovecot does not
          sort it reversed...</div>
        <div style="font-family: Arial; font-size: 13;"><br>
        </div>
        <div style="font-family: Arial; font-size: 13;">Maybe I will ask
          Dovecot guys why they choose to keep sort same as references:
          I suspect that claim to support refs, but actually the do the
          same references functions, but never do subject grouping.<br>
          <br>
          <div id="wt-mailcard">
            <div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
            </div>
            <div style="font-family: Arial;"><b>Sonicle S.r.l. </b>: <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.sonicle.com"></a><a class="moz-txt-link-freetext" href="http://www.sonicle.com">http://www.sonicle.com</a></div>
            <div style="font-family: Arial;"><b>Music: </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com"></a><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></div>
            <div style="font-family: Arial;"><b>Quantum Mechanics : </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon"></a><a class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></div>
          </div>
          <br>
          <hr><br>
          <br>
          <font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b>
            Ken Murchison <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
            <b>A:</b> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:gbulfon@sonicle.com">gbulfon@sonicle.com</a>
            <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
            <br>
            <b>Data:</b> 8 luglio 2016 17.17.32 CEST<br>
            <b>Oggetto:</b> Re: thread=refs<br>
          </font><br>
          <br>
          <blockquote style="BORDER-LEFT: #000080 2px solid;
            MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
            <p><br>
            </p>
            <br>
            <div class="moz-cite-prefix">On 07/08/2016 11:08 AM,
              Gabriele Bulfon wrote:<br>
            </div>
            <blockquote cite="mid:13231554.430.1467990539863.JavaMail.sonicle@www" type="cite">
              <div style="font-family: Arial; font-size: 13;">Ok, sure,
                but still two issues remain other than the draft:</div>
              <div style="font-family: Arial; font-size: 13;">- we need
                to get rid of subject grouping in REFS, it only brings
                disorder, merging stuff that is not related</div>
            </blockquote>
            <br>
            I believe that the parameterization of the core functions
            should be able to handle this.<br>
            <br>
            <br>
            <blockquote cite="mid:13231554.430.1467990539863.JavaMail.sonicle@www" type="cite">
              <div style="font-family: Arial; font-size: 13;">- I would
                try to guess why dovecot does not change sorting in
                REFS, keeping it same as REFERENCES</div>
            </blockquote>
            <br>
            I would contact that Dovecot authors and find out which
            version of the THREAD=REFS draft they based their work on.<br>
            <br>
            BTW, which clients use THREAD=REFS?<br>
            <br>
            <br>
            <blockquote cite="mid:13231554.430.1467990539863.JavaMail.sonicle@www" type="cite">
              <div style="font-family: Arial; font-size: 13;"><br>
                <div id="wt-mailcard">
                  <div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
                  </div>
                  <div style="font-family: Arial;"><b>Sonicle S.r.l. </b>:
                    <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.sonicle.com">http://www.sonicle.com</a></div>
                  <div style="font-family: Arial;"><b>Music: </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com"></a><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></div>
                  <div style="font-family: Arial;"><b>Quantum Mechanics
                      : </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></div>
                </div>
                <br>
                <hr><br>
                <br>
                <font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b>
                  Ken Murchison <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
                  <b>A:</b> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:gbulfon@sonicle.com">gbulfon@sonicle.com</a>
                  <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
                  <br>
                  <b>Data:</b> 8 luglio 2016 16.39.17 CEST<br>
                  <b>Oggetto:</b> Re: thread=refs<br>
                </font><br>
                <br>
                <blockquote style="BORDER-LEFT: #000080 2px solid;
                  MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
                  <p>Is there an actual RFC? All I find is
                    draft-ietf-morg-inthread-01. Looking at that draft,
                    the only difference between REFS ad REFERENCES is
                    this:</p>
                  <pre class="newpage">    THREAD=REFS sorts threads by the most recent INTERNALDATE in each
    thread, replacing THREAD=REFERENCES step (4). This means that when a
    new message arrives, its thread becomes the latest thread. (Note
    that while threads are sorted by arrival date, messages within a
    thread are sorted by sent date, just as for THREAD=REFERENCES.)


</pre>
                  This being the case, I don't think we need two copies
                  of the threading functions. I'd modify the exiting
                  functions to take an additional parameter to specify
                  whether we're doing REFS or REFERENCES and then have 2
                  wrapper functions which call the main function with
                  the parameter set appropriately for the given
                  algorithm.<br>
                  <br>
                  <br>
                  <div class="moz-cite-prefix">On 07/08/2016 10:03 AM,
                    Gabriele Bulfon wrote:<br>
                  </div>
                  <blockquote cite="mid:10757728.421.1467986639278.JavaMail.sonicle@www" type="cite">
                    <div style="font-family: Arial; font-size: 13;">Ok,
                      it works :) but checking against dovecot
                      implementation, it looks like they have refs order
                      same as references, but without subject grouping.
                      AFAIK the RFC on refs says ordering of dates
                      within the group should be reversed. Am I wrong?<br>
                      <br>
                      <div id="wt-mailcard">
                        <div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
                        </div>
                        <div style="font-family: Arial;"><b>Sonicle
                            S.r.l. </b>: <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.sonicle.com">http://www.sonicle.com</a></div>
                        <div style="font-family: Arial;"><b>Music: </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com"></a><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></div>
                        <div style="font-family: Arial;"><b>Quantum
                            Mechanics : </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></div>
                      </div>
                      <br>
                      <hr><br>
                      <br>
                      <font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b>
                        Gabriele Bulfon via Info-cyrus <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:info-cyrus@lists.andrew.cmu.edu"></a><a class="moz-txt-link-rfc2396E" href="mailto:info-cyrus@lists.andrew.cmu.edu"><info-cyrus@lists.andrew.cmu.edu></a><br>
                        <b>A:</b> Ken Murchison <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"></a><a class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a>
                        <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
                        <br>
                        <b>Data:</b> 8 luglio 2016 15.22.56 CEST<br>
                        <b>Oggetto:</b> Re: thread=refs<br>
                      </font><br>
                      <br>
                      <blockquote style="BORDER-LEFT: #000080 2px solid;
                        MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
                        <div style="font-family: Arial; font-size: 13;">Testing


                          ;) and checking against a dovecot machine with
                          refs and same messages.</div>
                        <div style="font-family: Arial; font-size: 13;">Will

                          let you know<br>
                          <br>
                          <div id="wt-mailcard">
                            <div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
                            </div>
                            <div style="font-family: Arial;"><b>Sonicle
                                S.r.l. </b>: <a moz-do-not-send="true" href="http://www.sonicle.com/" target="_new">http://www.sonicle.com</a></div>
                            <div style="font-family: Arial;"><b>Music: </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com"></a><a class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></div>
                            <div style="font-family: Arial;"><b>Quantum
                                Mechanics : </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon"></a><a class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></div>
                          </div>
                          <br>
                          <hr><br>
                          <br>
                          <font face="Arial, Helvetica, sans-serif" size="2"><b>Da:</b> Ken Murchison <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"></a><a class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
                            <b>A:</b> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:gbulfon@sonicle.com">gbulfon@sonicle.com</a>
                            <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
                            <br>
                            <b>Data:</b> 8 luglio 2016 15.02.38 CEST<br>
                            <b>Oggetto:</b> Re: thread=refs<br>
                          </font><br>
                          <br>
                          <blockquote style="BORDER-LEFT: #000080 2px
                            solid; MARGIN-LEFT: 5px; PADDING-LEFT: 5px">
                            <p><br>
                            </p>
                            <br>
                            <div class="moz-cite-prefix">On 07/07/2016
                              02:03 PM, Gabriele Bulfon via Info-cyrus
                              wrote:<br>
                            </div>
                            <blockquote cite="mid:139418.370.1467914635571.JavaMail.sonicle@www" type="cite">
                              <div style="font-family: Arial; font-size:
                                13;">I can finally get back to this
                                after so many months!</div>
                              <div style="font-family: Arial; font-size:
                                13;">I checked the sources, and I
                                actually see it doesn't look very hard.</div>
                              <div style="font-family: Arial; font-size:
                                13;"><br>
                              </div>
                              <div style="font-family: Arial; font-size:
                                13;">Looks like:</div>
                              <div style="font-family: Arial; font-size:
                                13;">- renaming all functions like
                                "index_thread_ref" into
                                "index_thread_references"</div>
                              <div style="font-family: Arial; font-size:
                                13;">- duplicate them as
                                "index_thread_refs"</div>
                              <div style="font-family: Arial; font-size:
                                13;">- let "references" alg call the
                                "references" funcs</div>
                              <div style="font-family: Arial; font-size:
                                13;">- add support for "refs" in
                                thread_algs and let them call the "refs"
                                funcs</div>
                            </blockquote>
                            <br>
                            Makes sense.<br>
                            <br>
                            <br>
                            <blockquote cite="mid:139418.370.1467914635571.JavaMail.sonicle@www" type="cite">
                              <div style="font-family: Arial; font-size:
                                13;"><br>
                              </div>
                              <div style="font-family: Arial; font-size:
                                13;">then:</div>
                              <div style="font-family: Arial; font-size:
                                13;">- completely remove the call to
                                "ref_group_subjects", we don't want it
                                at all in refs</div>
                              <div style="font-family: Arial; font-size:
                                13;">- change the sortcrit to use the
                                SORT_REVERSE modifier</div>
                            </blockquote>
                            <br>
                            As long as you mean making these changes for
                            just the "refs" variant and not both.<br>
                            <br>
                            <br>
                            <br>
                            <blockquote cite="mid:139418.370.1467914635571.JavaMail.sonicle@www" type="cite">
                              <div style="font-family: Arial; font-size:
                                13;"><br>
                              </div>
                              <div style="font-family: Arial; font-size:
                                13;">what do you think? may be fine?<br>
                                <br>
                                <div id="wt-mailcard">
                                  <div style="font-family: Arial;">----------------------------------------------------------------------------------------<br>
                                  </div>
                                  <div style="font-family: Arial;"><b>Sonicle


                                      S.r.l. </b>: <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.sonicle.com"></a><a class="moz-txt-link-freetext" href="http://www.sonicle.com">http://www.sonicle.com</a></div>
                                  <div style="font-family: Arial;"><b>Music:

                                    </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.gabrielebulfon.com">http://www.gabrielebulfon.com</a></div>
                                  <div style="font-family: Arial;"><b>Quantum


                                      Mechanics : </b><a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon"></a><a class="moz-txt-link-freetext" href="http://www.cdbaby.com/cd/gabrielebulfon">http://www.cdbaby.com/cd/gabrielebulfon</a></div>
                                </div>
                                <br>
                                <hr><br>
                                <br>
                                <font face="Arial, Helvetica,
                                  sans-serif" size="2"><b>Da:</b> Ken
                                  Murchison <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
                                  <b>A:</b> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
                                  <br>
                                  <b>Data:</b> 5 ottobre 2015 14.04.02
                                  CEST<br>
                                  <b>Oggetto:</b> Re: thread=refs<br>
                                </font><br>
                                <br>
                                <blockquote style="BORDER-LEFT: #000080
                                  2px solid; MARGIN-LEFT: 5px;
                                  PADDING-LEFT: 5px"> As far as I can
                                  tell, the last specification for
                                  thread=refs was here:<a moz-do-not-send="true" class="moz-txt-link-freetext" href="https://tools.ietf.org/html/draft-ietf-morg-inthread-01"></a><a class="moz-txt-link-freetext" href="https://tools.ietf.org/html/draft-ietf-morg-inthread-01">https://tools.ietf.org/html/draft-ietf-morg-inthread-01</a><br>
                                  <br>
                                  To implement this you want to look at
                                  index.c in the Cyrus source and add
                                  another entry to the thread_algs[]
                                  array. I'm guessing that you can reuse
                                  a lot of the existing
                                  index_thread_ref() code (which is
                                  probably needs to be renamed to
                                  index_thread_references()).<br>
                                  <br>
                                  <br>
                                  <br>
                                  <div class="moz-cite-prefix">On
                                    10/05/2015 06:07 AM, Gabriele Bulfon
                                    wrote:<br>
                                  </div>
                                  <blockquote cite="mid:18262603.71.1444039631264.JavaMail.sonicle@www" type="cite">
                                    <div style="font-family: Verdana;
                                      font-size: 12;">
                                      <div id="wt-mailcard">Great, Ken.
                                        Can you give me some advice /
                                        pointer to the sources I should
                                        look at?</div>
                                      <div id="wt-mailcard"><br>
                                      </div>
                                      <div id="wt-mailcard">Gabriele</div>
                                      <br>
                                      <hr><br>
                                      <br>
                                      <font face="Arial, Helvetica,
                                        sans-serif" size="2"><b>Da:</b>
                                        Ken Murchison <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"></a><a class="moz-txt-link-rfc2396E" href="mailto:murch@andrew.cmu.edu"><murch@andrew.cmu.edu></a><br>
                                        <b>A:</b> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu"></a><a class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
                                        <br>
                                        <b>Data:</b> 2 ottobre 2015
                                        19.08.04 CEST<br>
                                        <b>Oggetto:</b> Re: thread=refs<br>
                                      </font><br>
                                      <br>
                                      <blockquote style="BORDER-LEFT:
                                        #000080 2px solid; MARGIN-LEFT:
                                        5px; PADDING-LEFT: 5px">
                                        <div class="moz-cite-prefix">On
                                          10/02/2015 10:53 AM, Gabriele
                                          Bulfon wrote:<br>
                                        </div>
                                        <blockquote cite="mid:11844453.9.1443797615639.JavaMail.sonicle@www" type="cite">
                                          <div style="font-family:
                                            Verdana; font-size: 12;">
                                            <div id="wt-mailcard">Nice,
                                              it's not a big deal for us
                                              to upgrade to new
                                              versions, surely easier
                                              than porting to Dovecot!
                                              ;)<br>
                                              <br>
                                              So, maybe we can help with
                                              the implementation.</div>
                                            <div id="wt-mailcard">In my
                                              mind, it's almost about
                                              changing the
                                              "thread=reference" and let
                                              it omit the subject
                                              matching, change sorting</div>
                                            <div id="wt-mailcard">and...maybe


                                              just this? How much hard
                                              do you think it is?</div>
                                            <br>
                                          </div>
                                        </blockquote>
                                        <br>
                                        That sounds about right from
                                        what I remember of
                                        THREAD=REFERENCES (which I
                                        co-authored and implemented) and
                                        THREAD=REFS (which I think was
                                        last documented in 2010).<br>
                                        <br>
                                        <br>
                                        <br>
                                        <blockquote cite="mid:11844453.9.1443797615639.JavaMail.sonicle@www" type="cite">
                                          <div style="font-family:
                                            Verdana; font-size: 12;">
                                            <hr><br>
                                            <br>
                                            <font face="Arial,
                                              Helvetica, sans-serif" size="2"><b>Da:</b> Bron
                                              Gondwana <a moz-do-not-send="true" class="moz-txt-link-rfc2396E" href="mailto:brong@fastmail.fm"></a><a class="moz-txt-link-rfc2396E" href="mailto:brong@fastmail.fm"><brong@fastmail.fm></a><br>
                                              <b>A:</b> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu"></a><a class="moz-txt-link-abbreviated" href="mailto:info-cyrus@lists.andrew.cmu.edu">info-cyrus@lists.andrew.cmu.edu</a>
                                              <br>
                                              <b>Data:</b> 2 ottobre
                                              2015 12.59.08 CEST<br>
                                              <b>Oggetto:</b> Re:
                                              thread=refs<br>
                                            </font><br>
                                            <br>
                                            <blockquote style="BORDER-LEFT:
                                              #000080 2px solid;
                                              MARGIN-LEFT: 5px;
                                              PADDING-LEFT: 5px">
                                              <div>No, there isn't. The
                                                conversations work in
                                                3.0 beta contains a lot
                                                of what would be
                                                required to efficiently
                                                implement THREAD=REFS,
                                                but nobody has done the
                                                work to implement it.<br>
                                              </div>
                                              <div> </div>
                                              <div>It certainly will
                                                never be backported to
                                                the 2.4 series, which is
                                                only getting security
                                                updates and fixes for
                                                major bugs now.<br>
                                              </div>
                                              <div> </div>
                                              <div>Regards,<br>
                                              </div>
                                              <div> </div>
                                              <div>Bron.<br>
                                              </div>
                                              <div> </div>
                                              <div> </div>
                                              <div>On Fri, Oct 2, 2015,
                                                at 18:40, Gabriele
                                                Bulfon wrote:<br>
                                              </div>
                                              <blockquote type="cite">
                                                <div>Hi,<br>
                                                </div>
                                                <div> </div>
                                                <div>we have systems
                                                  running cyrus 2.4.12,
                                                  where thread
                                                  algorithms are only
                                                  references and
                                                  orderedsubject.<br>
                                                </div>
                                                <div>Is there support
                                                  for the thread=refs
                                                  algorithm?<br>
                                                </div>
                                                <div> </div>
                                                <div>Thanks<br>
                                                </div>
                                                <div>Gabriele<br>
                                                </div>
                                                <div>----<br>
                                                </div>
                                                <div>Cyrus Home Page: <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cyrusimap.org/"></a><a class="moz-txt-link-freetext" href="http://www.cyrusimap.org/">http://www.cyrusimap.org/</a><br>
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                                              <div> </div>
                                              <div id="sig567075">
                                                <div class="signature">--<br>
                                                </div>
                                                <div class="signature">
                                                  Bron Gondwana<br>
                                                </div>
                                                <div class="signature">
                                                  <a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:brong@fastmail.fm"></a><a class="moz-txt-link-abbreviated" href="mailto:brong@fastmail.fm">brong@fastmail.fm</a><br>
                                                </div>
                                                <div class="signature">
                                                </div>
                                              </div>
                                              <div> </div>
                                            </blockquote>
                                          </div>
                                          <br>
                                          <fieldset class="mimeAttachmentHeader"></fieldset>
                                          <br>
                                          <pre wrap="">----
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                                        </blockquote>
                                        <br>
                                        <br>
                                        <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
                                      </blockquote>
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                                    <br>
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                                    <br>
                                    <pre wrap="">----
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                                  <br>
                                  <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
                                </blockquote>
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                              <br>
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                            <br>
                            <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
                          </blockquote>
                        </div>
                        <pre>----
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                    </div>
                  </blockquote>
                  <br>
                  <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
                </blockquote>
              </div>
            </blockquote>
            <br>
            <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
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      <br>
      <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
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    <br>
    <pre class="moz-signature" cols="72">-- 
Kenneth Murchison
Principal Systems Software Engineer
Carnegie Mellon University
</pre>
  </blockquote></div>