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    Dear all,<br>
    when trying to filter layers (or maps) by  categories (with or
    without other filters applied) I'm encountering random visualization
    issues: sometimes I cannot see any categories, sometimes all,
    sometimes only few. I can't find patterns useful to replicate
    specific behaviour...<br>
    Do you have similar problems or your categories work just fine?<br>
    Thanks,<br>
    <br>
    Ale<br>
    <br>
    <div class="moz-signature">
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        size="2"> --
        <p>Alessandro Sarretta</p>
        <p>
          skype/twitter: alesarrett<br>
          Web: <a href="http://ilsarrett.wordpress.com">ilsarrett.wordpress.com</a>
        </p>
        <p>Research information:<br>
        </p>
        <ul>
          <li><a
              href="http://scholar.google.it/citations?user=IsyXargAAAAJ&hl=it">Google
              scholar profile</a></li>
          <li><a href="http://orcid.org/0000-0002-1475-8686">ORCID</a></li>
          <li><a
              href="https://www.researchgate.net/profile/Alessandro_Sarretta">Research
              Gate</a></li>
          <!-- <li><a href="https://impactstory.org/AlessandroSarretta">Impactstory</a></li> -->
          <li><a href="https://impactstory.org/AlessandroSarretta"><img
                src="cid:part5.00080904.04010306@gmail.com" width="80"></a></li>
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