<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">All,<div><br></div><div>I am using the MacTeX distribution obtained from TeXlive 2009.</div><div><br></div><div>Everything works fine. My question has to do with the dates of the files used.</div><div><br></div><div>Upon typesetting my document, the console returns (partially of course) the messages shown below after my signature.</div><div><br></div><div>Note that everything comes from texlive/2009, with two exceptions: the line for the document class shows 2007 as the year, and, farther down, the line for the MPS to PDF converter has a version from 2006. Can anyone explain why this is so?</div><div><br></div><div><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">Document Class: article 2007/10/19 v1.4h Standard LaTeX document class</span></div><div><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">----------</span></div><div><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; ">[Loading MPS to PDF converter (version 2006.09.02).]</span></div><div><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; "><br></span></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><span class="Apple-style-span" style="font-family: 'Lucida Grande'; font-size: medium; ">I will be downloading texlive 2010 soon. I just want to understand better what I have and what I will be getting.</span></span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><span class="Apple-style-span" style="font-family: 'Lucida Grande'; font-size: medium; "><br></span></span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><span class="Apple-style-span" style="font-family: 'Lucida Grande'; font-size: medium; ">TIA.</span></span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><span class="Apple-style-span" style="font-family: 'Lucida Grande'; font-size: medium; "><br></span></span></font></div><div><font class="Apple-style-span" face="Monaco" size="2"><span class="Apple-style-span" style="font-size: 10px;"><span class="Apple-style-span" style="font-family: 'Lucida Grande'; font-size: medium; ">Raul Martinez</span></span></font></div><div><span class="Apple-style-span" style="font-family: Monaco; font-size: 10px; "><br></span></div><div>-----FULL CONSOLE PREAMBLE-----------------</div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">This is pdfTeX, Version 3.1415926-1.40.10 (TeX Live 2009)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; "> \write18 enabled.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">entering extended mode</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(./nonlinearsystem v14.tex</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">LaTeX2e <2009/09/24></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">Babel <v3.8l> and hyphenation patterns for english, usenglishmax, dumylang, noh</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">yphenation, german-x-2009-06-19, ngerman-x-2009-06-19, ancientgreek, ibycus, ar</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">abic, basque, bulgarian, catalan, pinyin, coptic, croatian, czech, danish, dutc</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">h, esperanto, estonian, farsi, finnish, french, galician, german, ngerman, mono</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">greek, greek, hungarian, icelandic, indonesian, interlingua, irish, italian, ku</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">rmanji, latin, latvian, lithuanian, mongolian, mongolian2a, bokmal, nynorsk, po</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">lish, portuguese, romanian, russian, sanskrit, serbian, slovak, slovenian, span</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">ish, swedish, turkish, ukenglish, ukrainian, uppersorbian, welsh, loaded.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/article.cls</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">Document Class: article 2007/10/19 v1.4h Standard LaTeX document class</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/size12.clo))</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/lm/lmodern.sty)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/amsmath/amsmath.sty</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">For additional information on amsmath, use the `?' option.</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/amsmath/amstext.sty</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/amsmath/amsgen.sty))</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/amsmath/amsbsy.sty)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/amsmath/amsopn.sty))</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/amsfonts/amssymb.sty</div><div style="margin-top: 0px; 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margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/latexconfig/graphics.cfg)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/pdftex-def/pdftex.def)))</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/fontenc.sty</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/t1enc.def))</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/jknapltx/mathrsfs.sty)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/textcomp.sty</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/ts1enc.def))</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/tools/xspace.sty)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(./nonlinearsystem v14.aux)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/base/ts1cmr.fd)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/lm/t1lmr.fd)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/context/base/supp-pdf.mkii</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">[Loading MPS to PDF converter (version 2006.09.02).]</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">) (/usr/local/texlive/2009/texmf-dist/tex/latex/lm/ot1lmr.fd)</div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Monaco; ">(/usr/local/texlive/2009/texmf-dist/tex/latex/lm/omllmm.fd)</div><div style="margin-top: 0px; margin-right: 0px; 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