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<tr><td colspan="2" class="diff-lineno" id="L1" ><!--LINE 1--></td>
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<tr><td class='diff-marker'>−</td><td class='diff-deletedline'><div><del class="diffchange diffchange-inline">!!! </del>What is the optimal tax system ?</div></td><td class='diff-marker'>+</td><td class='diff-addedline'><div><ins class="diffchange diffchange-inline">== </ins>What is the optimal tax system ? <ins class="diffchange diffchange-inline">==</ins></div></td></tr>
<tr><td class='diff-marker'>&#160;</td><td class='diff-context'></td><td class='diff-marker'>&#160;</td><td class='diff-context'></td></tr>
<tr><td class='diff-marker'>−</td><td class='diff-deletedline'><div>We recently discussed this on #economics.</div></td><td class='diff-marker'>+</td><td class='diff-addedline'><div>We <ins class="diffchange diffchange-inline">not-so-</ins>recently discussed this on <ins class="diffchange diffchange-inline">#</ins>#economics.</div></td></tr>
<tr><td class='diff-marker'>&#160;</td><td class='diff-context'></td><td class='diff-marker'>&#160;</td><td class='diff-context'></td></tr>
<tr><td class='diff-marker'>&#160;</td><td class='diff-context'><div>It ends in several arguments :</div></td><td class='diff-marker'>&#160;</td><td class='diff-context'><div>It ends in several arguments :</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="L11" ><!--LINE 11--></td>
<td colspan="2" class="diff-lineno"><!--LINE 11--></td></tr>
<tr><td class='diff-marker'>&#160;</td><td class='diff-context'></td><td class='diff-marker'>&#160;</td><td class='diff-context'></td></tr>
<tr><td class='diff-marker'>&#160;</td><td class='diff-context'><div>[[pavlicek]] is a proponent of a national [Sales tax], as it incentivizes saving and investment.</div></td><td class='diff-marker'>&#160;</td><td class='diff-context'><div>[[pavlicek]] is a proponent of a national [Sales tax], as it incentivizes saving and investment.</div></td></tr>

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Stack trace:
#0 [internal function]: MWExceptionHandler::handleException(Object(Error))
#1 {main}
  thrown in /customers/7/c/4/teralaser.net/httpd.www/economics/w/includes/exception/MWExceptionHandler.php on line 153