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<div class="" style="word-wrap:break-word; line-break:after-white-space">I am confused by the following error.
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<div class="">I copied the format of the attached tex file from a previous tex file which compiled successfully in the past. But when I try to compile it, I get the error message in the subject line above; I attach also the log file of the attempt.</div>
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<div class="">What have I overlooked (or miscopied)?<br class="">
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<div class="" style="word-wrap:break-word"><span class="x_Apple-style-span" style="border-collapse:separate; color:rgb(0,0,0); font-family:Helvetica; font-style:normal; font-variant:normal; font-weight:normal; letter-spacing:normal; line-height:normal; orphans:2; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">
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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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