<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I'm trying to typeset a book I wrote in 1999. <div><br></div><div>I get an error message:</div><div><br></div><div><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">(/usr/local/texlive/2012/texmf-dist/tex/context/base/supp-pdf.mkii</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">[Loading MPS to PDF converter (version 2006.09.02).]</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">/usr/local/texlive/2012/texmf-dist/tex/context/base/supp-pdf.mkii:140: Missing </div><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">endcsname inserted.</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "><to be read again> </div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "> relax </div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "><inserted text> if</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "> done</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "><argument> ifdone </div><p style="margin: 0px; font-size: 10px; font-family: Monaco; min-height: 14px; "> <br class="webkit-block-placeholder"></p><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">@if ...def csname expandafter @gobbletwo string #1</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "> expandafter @gobbletwo str...</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; min-height: 14px; "><br></div><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">newif ...capechar m@ne let #1iffalse @if #1iftrue </div><div style="margin: 0px; font-size: 10px; font-family: Monaco; "> @if #1iffalse escapechar c...</div><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">l.140 ...pandafter \newif \csname ifdone\endcsname</div><p style="margin: 0px; font-size: 10px; font-family: Monaco; min-height: 14px; "> <br class="webkit-block-placeholder"></p><div style="margin: 0px; font-size: 10px; font-family: Monaco; ">? </div></div><div><br></div><div>and GoTo Error takes me to supp-pdf.mkii. Was this not present in 1999?</div><div><br></div><div>How do I go around this?</div><div><br></div><div>GG</div></body></html>