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Thanks.  I had overlooked that.
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<div class="">Here is another puzzlement (minimal example attached).  I am getting an error message</div>
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./Beamer PSTricks Test.tex:39: Argument of \end has an extra }.</div>
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                \par </div>
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l.39 }</div>
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and can’t find any extra braces—all seem properly paired.  Can you see the problem?</div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica"><br class="x_Apple-interchange-newline">
Zbigniew Nitecki</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">Department of Mathematics</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">Tufts University</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">Medford, MA 02155</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">telephones:</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">Office<span class="x_Apple-converted-tab">    </span>(617)627-3843</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">Dept.<span class="x_Apple-converted-tab">    </span>(617)627-3234</font></div>
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<font face="Helvetica" size="3" class="" style="font:normal normal normal 12px/normal Helvetica">Dept. fax<span class="x_Apple-converted-tab">    </span>(617)627-3966</font></div>
<span class="x_Apple-style-span" style="font-size:12px"><a href="http://www.tufts.edu/~znitecki/" class="">http://www.tufts.edu/~znitecki/</a></span></div>
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<div class="">On Feb 10, 2018, at 13:31, Luis Sequeira <<a href="mailto:lfsequeira@gmail.com" class="">lfsequeira@gmail.com</a>> wrote:</div>
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<blockquote type="cite" class="">Non-PDF special ignored!<br class="">
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You are trying to compile a document with pstricks code using pdflatex.<br class="">
Either use plain-old latex,pdflatex with the auto-pst-pdf package, or, as suggested, use xelatex.<br class="">
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LS<br class="">
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