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From: Rik Kabel via ntg-context <ntg-context@ntg.nl>
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Subject: \autoinsertedspace fails
Date: Thu, 29 Dec 2022 19:12:08 -0500
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Happy New Year all!

Following up on the problem with \autoinsertnextspace 
(https://mailman.ntg.nl/pipermail/ntg-context/2022/107111.html) and the 
new \autoinsertedspace that came from that report, I see that there is 
still a problem, or perhaps a problem again after it was previously 
repaired.

The following code, run under the latest (and recent previous) version, 
produces an incorrect result, with no space inserted where expected in 
many cases. As the first examples after \starttext show, the problem 
appears to be with \autoinsertedspace, but perhaps I am using it 
incorrectly in the macro as well.

    \starttexdefinition unexpanded BD
       \dodoublegroupempty
       \doBD
    \stoptexdefinition

    \starttexdefinition doBD #1#2
        \removeunwantedspaces\ % insert a space
        (
        \ifsecondargument
            #1|–|#2
        \else\iffirstargument
            #1–
        \else
            {\red I NEED A DATE OR DATES!}
        \fi\fi
        )
        \autoinsertedspace
    \stoptexdefinition

    \tt

    \starttext
    This\autoinsertedspace fails unexpectedly with autoinsertedspace.\par
    This\autoinsertedspace \emph{fails unexpectedly} with
    autoinsertedspace.\par
    This\autoinsertnextspace works with autoinsertnextspace.\par
    This\autoinsertnextspace \emph{fails} as expected with
    autoinsertnextspace.\par
    Saussure\BD{1857}{1913} works.\par
    Saussure \BD{1857}{1913} \emph{works}.\par
    Saussure \BD{1857}{1913}. Works.\par
    Chomsky\BD{1928} fails with LMTX, works with MkIV.\par
    Chomsky \BD{1928} \emph{fails with LMTX, works with MkIV}.\par
    Chomsky \BD{1928}. Works.\par
    \BD blah\par
    \contextversion\ \texenginename
    \stoptext


-- 
Rik


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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body>
    <p>
    </p>
    <div class="moz-text-html" lang="x-unicode">
      <p>Happy New Year all!</p>
      <p>Following up on the problem with \autoinsertnextspace (<a
          href="https://mailman.ntg.nl/pipermail/ntg-context/2022/107111.html"
          class="moz-txt-link-freetext">https://mailman.ntg.nl/pipermail/ntg-context/2022/107111.html</a>)
        and the new \autoinsertedspace that came from that report, I see
        that there is still a problem, or perhaps a problem again after
        it was previously repaired.</p>
      <p>The following code, run under the latest (and recent previous)
        version, produces an incorrect result, with no space inserted
        where expected in many cases. As the first examples after
        \starttext show, the problem appears to be with
        \autoinsertedspace, but perhaps I am using it incorrectly in the
        macro as well.<br>
      </p>
      <blockquote>
        <p><font face="monospace">\starttexdefinition unexpanded BD<br>
              \dodoublegroupempty<br>
              \doBD<br>
            \stoptexdefinition<br>
            <br>
            \starttexdefinition doBD #1#2<br>
               \removeunwantedspaces\ % insert a space<br>
               (<br>
               \ifsecondargument<br>
                   #1|–|#2<br>
               \else\iffirstargument<br>
                   #1–<br>
               \else<br>
                   {\red I NEED A DATE OR DATES!}<br>
               \fi\fi<br>
               )<br>
               \autoinsertedspace<br>
            \stoptexdefinition<br>
            <br>
            \tt<br>
            <br>
            \starttext<br>
            This\autoinsertedspace fails unexpectedly with
            autoinsertedspa</font><font face="monospace">ce.\par<br>
            This\autoinsertedspace \emph{fails unexpectedly} with
            autoinsertedspace.\par<br>
            This\autoinsertnextspace works with autoinsertnextspace.\par<br>
            This\autoinsertnextspace \emph{fails} as expected with
            autoinsertnextspace.\par<br>
            Saussure\BD{1857}{1913} works.\par<br>
            Saussure \BD{1857}{1913} \emph{works}.\par<br>
            Saussure \BD{1857}{1913}. Works.\par<br>
            Chomsky\BD{1928} fails with LMTX, works with MkIV.\par</font><br>
          <font face="monospace">Chomsky \BD{1928} \emph{fails with
            LMTX, works with MkIV}.\par<br>
            Chomsky \BD{1928}. Works.\par<br>
            \BD blah\par<br>
            \contextversion\ \texenginename<br>
            \stoptext<br>
          </font><br>
          <font face="monospace"><br>
          </font></p>
      </blockquote>
      -- <br>
      Rik<br>
      <p><br>
      </p>
    </div>
  </body>
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