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+<?xml version="1.0" encoding="iso-8859-1" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<!--http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd-->
+<html xmlns="http://www.w3.org/1999/xhtml"
+>
+<head><title>troubleshooting</title>
+<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+<meta name="generator" content="TeX4ht (https://tug.org/tex4ht/)" />
+<meta name="originator" content="TeX4ht (https://tug.org/tex4ht/)" />
+<!-- xhtml,th4,index -->
+<meta name="src" content="mn.tex" />
+<link rel="stylesheet" type="text/css" href="mn.css" />
+<meta name="viewport" content="width=device-width, initial-scale=1" />
+</head><body
+>
+ <a
+ href="mn.html#mn3.html" >exit troubleshooting</a>
+<!--l. 3347--><p class="indent" > <a
+ name="trbl-sht"></a>
+</p>
+ <h3 class="SubSectionHead"><a
+ name="QQ1-3-3"></a>Troubleshooting</h3>
+ <div class="TableOfContents"><span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-4" name="QQ2-3-4">Bitmaps</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-5" name="QQ2-3-5">LaTeX</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-6" name="QQ2-3-6">Fonts</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-7" name="QQ2-3-7">C programs</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-8" name="QQ2-3-8">Scripts</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-10" name="QQ2-3-10">Environment File</a>
+<span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-11" name="QQ2-3-11">tex4ht.sty / *.4ht</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-12" name="QQ2-3-12">DVI Code</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-13" name="QQ2-3-13">JavaScript</a> <span
+class="cmsy-10">&#x2219;</span> <a
+ href="#QQ1-3-14" name="QQ2-3-14">Subscripts and Superscripts</a>
+ </div>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-4"></a><span
+class="cmbx-10">Bitmaps</span></p>
+<!--l. 3364--><p class="noindent" >
+</p><dl > <dt><span class="underline">Too small math fonts in images</span></dt><dd>
+<!--l. 3369--><p class="indent" > Use instructions of the form
+</p>
+ <div
+class="centerline"><span
+class="cmtt-10">\DeclareMathSizes{</span><span
+class="cmti-10">surrounding text size</span><span
+class="cmtt-10">} {</span><span
+class="cmti-10">base math</span><span
+class="cmtt-10">} {</span><span
+class="cmti-10">subscript math</span><span
+class="cmtt-10">} {</span><span
+class="cmti-10">2nd order subscript math</span><span
+class="cmtt-10">}</span></div>
+<!--l. 3377--><p class="indent" > to request math font dimensions for formulas embedded within text of specified font dimensions. Use sizes of
+magnitude 10 <span
+class="cmsy-10">* </span>(1<span
+class="cmmi-10">.</span>2)<sup><span
+class="cmmi-7">i</span></sup>.
+</p><!--l. 3380--><p class="indent" > <span
+class="cmbx-10">Example:</span>
+</p><div class="Verbatim"><span
+class="cmtt-10">\documentclass{article}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\DeclareMathSizes{10}{24.88}{20.74}{17.28}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">\begin{document}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;Test</span><span
+class="cmtt-10">&#x00A0;in</span><span
+class="cmtt-10">&#x00A0;10pt.</span><span
+class="cmtt-10">&#x00A0;\(</span><span
+class="cmtt-10">&#x00A0;{base</span><span
+class="cmtt-10">&#x00A0;24.88}_{script</span><span
+class="cmtt-10">&#x00A0;20.74}</span><span
+class="cmtt-10">&#x00A0;\)</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">\end{document}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /></div>
+ </dd><dt><span class="underline">Bad Quality of Pictures</span></dt><dd>
+<!--l. 3392--><p class="indent" > Increase the density (number of dots per inch) when converting the pictures, and then sub-sample the picture.
+Specifically, replace in &#8216;<span
+class="cmtt-10">tex4ht.env</span>&#8217; the switch
+</p>
+ <div
+class="centerline">-density 110x100</div>
+<!--l. 3398--><p class="noindent" >with the switch
+</p>
+ <div
+class="centerline">-density 220x220 -geometry 50%</div>
+<!--l. 3402--><p class="noindent" >or with another switch of the form
+</p>
+ <div
+class="centerline">-density ...x... -geometry ...%</div>
+<!--l. 3406--><p class="indent" > The <span
+class="cmtt-10">-density </span>switch increases the number of pixels per inch, and the <span
+class="cmtt-10">-geometry </span>option reduces that number.
+The process smoothes (anti-aliases) the edges. Typically screens display about 72 to 100 dots per
+inch.
+</p><!--l. 3411--><p class="indent" > The type of fonts in use may also affect the quality of the output. In particular, <a
+ href="http://www.ams.org/index/tex/type1-cm-fonts.html" >Type 1</a> (scalable outlines) fonts
+offer better outcome than Type 3 (bitmapped) fonts.
+</p>
+ </dd><dt><span class="underline">Direct Translations of EPS Figures</span></dt><dd>
+<!--l. 3419--><p class="indent" > The quality of the bitmaps of EPS figures may be improved by converting the figures directly, without
+transmitting them through the dvi code. For instance, the <span
+class="cmtt-10">\includegraphics </span>command in the presence of the
+following configuration provides such a route.
+</p><div class="Verbatim"><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\Configure{graphics*}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;{eps}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;{\Needs{"convert</span><span
+class="cmtt-10">&#x00A0;\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.eps</span><span
+class="cmtt-10">&#x00A0;</span>
+
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.png"}%</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\Picture[pict]{\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.png}%</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /></div>
+<!--l. 3433--><p class="indent" > <a
+ name="index3-4001"></a>The following script provides a more efficient and general approach.
+</p><div class="Verbatim"><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\Configure{graphics*}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;{eps}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;{\openin15=\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.\PictExt\relax</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\ifeof15</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\Needs{"convert</span><span
+class="cmtt-10">&#x00A0;\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.eps</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.\PictExt"}%</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\fi</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\closein15</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\Picture[pict]{\csname</span><span
+class="cmtt-10">&#x00A0;Gin@base\endcsname.\PictExt}%</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /></div>
+ </dd><dt><span class="underline">Truncated and empty png files</span></dt><dd>
+<!--l. 3452--><p class="indent" > Such a behavior might result from pictures which end up off the dvi page limits. A larger paper size may be
+requested from dvips through the switch &#8216;-T offset&#8217; (e.g., -T 14in,14in). The dvips command is activated from
+tex4ht.env.
+</p>
+ </dd><dt><span class="underline">Truncated and empty png files for Xfig pictures</span></dt><dd>
+<!--l. 3461--><p class="indent" > Some Xfig files are made up of overlapping picture environments, with TeX4ht viewing the components as
+defining independent figures. The problem can be solved by importing the Xfig files into pictorial environments of
+TeX4ht.
+</p><div class="Verbatim"><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\newenvironment{mypic}{\Picture*{}}{\EndPicture}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\begin{mypic}</span><span
+class="cmtt-10">&#x00A0;\input{xfig-file}</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;\end{mypic}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /></div>
+<!--l. 3471--><p class="indent" > Alternatively, PDF-based translations into bitmaps might also offer a solution.
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-5"></a><span
+class="cmbx-10">LaTeX</span></p>
+<!--l. 3483--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline">Unable to find a newly installed file</span></dt><dd>
+<!--l. 3488--><p class="indent" > The TeX engine might require an update of a search directory: the ls-R database for installations employing
+kpathsea (run texhash), the data base directory in the case of MiKTeX (select <span
+class="cmtt-10">tart -&#x003E; Programs -&#x003E; MiKTeX -&#x003E;</span>
+<span
+class="cmtt-10">Refresh&#8217;, or run \&#8216;&#8217;initexmf -u&#8217; from a DO </span>session, to update it).
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-6"></a><span
+class="cmbx-10">Fonts</span></p>
+<!--l. 3495--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline">Can&#8217;t find/open file foo.tfm</span></dt><dd>
+<!--l. 3499--><p class="indent" >
+</p><ul >
+<li> <a
+ name="index3-6001"></a>Locate the directory where LaTeX/TeX finds font foo.tfm, and add to <span
+class="cmtt-10">tex4ht.env </span>a &#8216;<span
+class="cmtt-10">t</span>&#8217; record pointing to that
+directory (e.g., &#8216;<span
+class="cmtt-10">tc:\localtexmf\fonts\tfm!</span>&#8217;). </li>
+<li>Insert the record at the start of the line. TeX4ht considers the first character in each line to be a code describing the
+
+type of the record in hand. Lines which start with unrecognized character codes, spaces included, are ignored.
+</li>
+<li>Note also that LaTeX/TeX may create fonts on the fly and put them in a temporary directory (e.g.,
+&#8216;<span
+class="cmtt-10">/var/tmp/texfonts/tfm/</span>&#8217;). </li></ul>
+ </dd><dt><span class="underline">Linux, Netscape, and the SYMBOL font</span></dt><dd>
+<!--l. 3517--><p class="indent" > To display the SYMBOL fonts in Netscape on Linux add
+</p>
+ <div
+class="centerline"><span
+class="cmtt-10">Netscape*documentFonts.charset*adobe-fontspecific: iso-8859-1</span></div>
+<!--l. 3522--><p class="noindent" >to the <span
+class="cmtt-10">~/.Xdefaults </span>file
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-7"></a><span
+class="cmbx-10">C programs</span></p>
+<!--l. 3525--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline"> <a
+ name="index3-7001"></a>tex4ht.c doesn&#8217;t compile ... ERROR:3396: &#8216;DIR&#8217; undeclared (first use this function)... </span></dt><dd>
+<!--l. 3530--><p class="indent" > Consider adding the switch &#8216;<span
+class="cmtt-10">-DHAVE_DIRENT_H</span>&#8217; to the command line. For instance,
+</p><!--l. 3533--><p class="indent" > <span
+class="cmtt-10">gcc -o tex4ht tex4ht.c -DENVFILE=&#8217;"path/tex4ht.dir/texmf/tex4ht/base/unix/tex4ht.env"&#8217;</span>
+<span
+class="cmtt-10">-DHAVE_DIRENT_H</span>
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-8"></a><span
+class="cmbx-10">Scripts</span></p>
+<!--l. 3543--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline">Bad end-of-line characters in htlatex.bat/httex.bat/htexi.bat/ht.bat</span></dt><dd>
+<!--l. 3548--><p class="indent" > Remove undesirable trailing characters in the lines of the scripts, introduced by the utilities which download the
+files.
+</p><!--l. 3551--><p class="indent" > DOS/WINDOW platforms use an endline pair of characters: a carriage return and a line feed (0Dx,0Ax
+hexadecimal; 13,10 decimal). MAC platforms use only a single carriage feed character (0Dx; 13dec). UNIX platforms
+use only a single line feed character (0Ax; 10 dec).
+</p>
+ </dd><dt><span class="underline">Can&#8217;t find/open file &#8216;xxx.dvi&#8217; or &#8216;xxx.lg&#8217;</span></dt><dd>
+<!--l. 3559--><p class="indent" > In some platforms, the operating systems pass on the quotes of the parameters of <span
+class="cmtt-10">htlatex</span>, <span
+class="cmtt-10">httex</span>, and <span
+class="cmtt-10">httexi</span>
+to the utilities <span
+class="cmtt-10">tex4ht </span>and <span
+class="cmtt-10">t4ht</span>. In such cases, the utilities issue complaints of the above nature for file names
+&#8216;<span
+class="cmtt-10">xxx</span>&#8217; other than those being compiled. The problem can be resolved by <a
+ href="mn4.html" name="mn4.html" >installing a filter</a> named &#8216;<span
+class="cmtt-10">htcmd</span>&#8217;, and submitting the <span
+class="cmtt-10">tex4ht </span>and <span
+class="cmtt-10">t4ht </span>commands to the filter. Backslash characters &#8216;<span
+class="cmtt-10">\</span>&#8217; might
+need replacements with double backslash characters &#8216;<span
+class="cmtt-10">\\</span>&#8217; or forward slash characters &#8216;<span
+class="cmtt-10">/</span>&#8217;.
+</p><!--l. 3585--><p class="indent" > For instance, if <span
+class="cmtt-10">htlatex.bat </span>contains a command line of the form &#8216;<span
+class="cmtt-10">C:\tex4ht\t4ht %1 %4</span>&#8217;, then after
+introducing the filter the modified command line will take the form &#8216;<span
+class="cmtt-10">C:\\tex4ht\\htcmd C:\\tex4ht\\t4ht %1</span>
+<span
+class="cmtt-10">%4</span>&#8217;.
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-10"></a><span
+class="cmbx-10">Environment File</span></p>
+<!--l. 3593--><p class="noindent" >
+</p><dl > <dt><span class="underline">Can&#8217;t find/open file &#8216;tex4ht.env&#8217;</span></dt><dd>
+<!--l. 3597--><p class="indent" > <a
+ name="index3-10001"></a>The switch <span
+class="cmtt-10">-hV </span>on the calling <span
+class="cmtt-10">tex4ht </span>command shows where the file is being searched. The following are
+possible solutions to the problem.
+</p><ul >
+<li>Set an environment variable TEX4HTENV to the address of the file </li>
+<li>Add the switch &#8216;<span
+class="cmtt-10">-e...address-of-tex4ht.env...</span>&#8217; to the command lines of t4ht and tex4ht within the htlatex,
+httex, httexi, and ht (or htlatex.bat, httex.bat, httexi.bat, and ht.bat) scripts. </li>
+<li>If tex4ht and t4ht are compiled for kpathsea check that the texmf.cnf contains records similar to the following
+ones.
+<div class="Verbatim"><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;TEX4HTFONTSET=alias,iso8859</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;TEX4HTINPUTS=.;$TEXMF/tex4ht/base//;$TEXMF/tex4ht/ht-fonts/{$TEX4HTFONTSET}//</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span><span
+class="cmtt-10">&#x00A0;T4HTINPUTS=.;$TEXMF/tex4ht/base//</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /></div>
+<!--l. 3618--><p class="noindent" ></p></li>
+<li>Make the location of the environment file known to the programs in another manner (see the pointers from the entry
+&#8216;<span
+class="cmtt-10">tex4ht.env</span>&#8217; in the <a
+ href="mn-index.html#Index">index</a>). </li></ul>
+ </dd><dt><span class="underline">No permission for system call: ...</span></dt><dd>
+<!--l. 3626--><p class="indent" > Make sure that the &#8216;<span
+class="cmtt-10">S</span>&#8217; records in <span
+class="cmtt-10">tex4ht.env </span>don&#8217;t end with invisible spaces, and that the file ends with the
+record &#8216;<span
+class="cmtt-10">% end of file</span>&#8217;.
+</p>
+ </dd><dt><span class="underline">Problems with argument <span
+class="cmtt-10">-d... </span>of t4ht</span></dt><dd>
+<!--l. 3633--><p class="indent" > The specified directory must be augmented by a slash character <span
+class="cmtt-10">/</span>.
+</p>
+ </dd><dt><span class="underline">Problems with the convert utility</span></dt><dd>
+<!--l. 3640--><p class="indent" >
+</p><ul >
+<li>Make sure the convert program of ImageMagick is called and not another convert system in your
+directories. In the latter case, insert the full address of convert into the following command within
+tex4ht.env.
+<!--l. 3645--><p class="indent" > <span
+class="cmtt-10">Gconvert zz%%4.ps -trim -density 110x110 -transparent &#8217;#FFFFFF&#8217; %%3</span>
+</p><!--l. 3648--><p class="indent" > For instance, use
+</p><!--l. 3650--><p class="indent" > <span
+class="cmtt-10">Gc:\TeX\Imagick\convert</span>
+</p><!--l. 3652--><p class="indent" > instead of
+</p><!--l. 3654--><p class="indent" > <span
+class="cmtt-10">Gconvert</span> </p></li>
+<li>You might need to remove the quotes from <span
+class="cmtt-10">&#8217;#FFFFFF&#8217; </span></li></ul>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-11"></a><span
+class="cmbx-10">tex4ht.sty / *.4ht</span></p>
+<!--l. 3667--><p class="noindent" >
+
+</p><dl >
+ <dt><span class="underline">Foreign content in <span
+class="cmtt-10">&#x003C;title&#x003E;...&#x003C;/title&#x003E; </span>elements</span></dt><dd>
+<!--l. 3671--><p class="indent" > Use the <span
+class="cmtt-10">\Configure{@TITLE}{...} </span>command to redefine for the these elements the harmful macros
+that appear in headers of logical units like <span
+class="cmtt-10">\title </span>and <span
+class="cmtt-10">\chapter</span>. For instance, the definition
+<span
+class="cmtt-10">\Configure{@TITLE}{\def\LaTeX{LaTeX}} </span>for the source <span
+class="cmtt-10">\title{with \LaTeX}</span>.
+</p>
+ </dd><dt><span class="underline">Problematic commands in titles of logical divisions</span></dt><dd>
+<!--l. 3680--><p class="indent" > Commands within titles of divisions might need protection when transported by tex4ht to other
+locations. The command <span
+class="cmtt-10">\Configure{NoSection}{..before...}{...after...} </span>may be used for such a
+purpose.
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-12"></a><span
+class="cmbx-10">DVI Code</span></p>
+<!--l. 3688--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline">XDVI/DVIWINDO/YAP... hang on <span
+class="cmtt-10">\special </span>command</span></dt><dd>
+<!--l. 3693--><p class="indent" > The dvi code produced by tex4ht is not valid for use with other utilities. Recompile the source file without the
+presence of tex4ht, to provide a proper code to your dvi viewer.
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-13"></a><span
+class="cmbx-10">JavaScript</span></p>
+<!--l. 3698--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline">&#8216;<span
+class="cmtt-10">onovermouse</span>&#8217; package option</span></dt><dd>
+<!--l. 3703--><p class="indent" > This option currently relies on the JavaScript utility <a
+ href="https://github.com/overlib/overlib" >overlib.js</a> of Erik Bosrup. The <span
+class="cmtt-10">overlib.js </span>file must be
+placed to the directory along the html files.
+</p>
+ </dd></dl>
+ <p align="right" class="rightline"><a
+ name="QQ1-3-14"></a><span
+class="cmbx-10">Subscripts and Superscripts</span></p>
+<!--l. 3714--><p class="noindent" >
+</p><dl >
+ <dt><span class="underline">Loss of structural information</span></dt><dd>
+<!--l. 3719--><p class="indent" > <a
+ name="index3-14001"></a>Subscripts and superscripts are among the weakest points of tex4ht. In order to recognize them for non-bitmap
+representations, TeX4ht changes the category codes of &#8216;<span
+class="cmtt-10">^</span>&#8217; and &#8216;<span
+class="cmtt-10">_</span>&#8217;, upon reaching the <span
+class="cmtt-10">\begin{document} </span>instruction,
+and ignores the operations if introduced earlier.
+</p><!--l. 3727--><p class="indent" > The ideal solution would have been to get the superscript and subscript operations, as well as the empty bases
+&#8216;<span
+class="cmtt-10">{}</span>&#8217;, marked upon request by the native compilers in the dvi code. Currently, that is just a good night
+dream.
+</p><!--l. 3732--><p class="indent" > The followings are possible ways to overcome the problem.
+</p><!--l. 3734--><p class="indent" >
+</p><ol type="1" >
+<li>Prepare TeX4ht configuration files containing redefinitions for the the sensitive macros. For instance, the
+configuration file <span
+class="cmtt-10">test.cfg</span>
+<div class="Verbatim"><span
+class="cmtt-10">\Preamble{}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">\renewcommand{\FQED}[2]{F_{#1#2}}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">\renewcommand{\Mlones}{M^2}</span><span
+class="cmtt-10">&#x00A0;</span>
+
+<br /><span
+class="cmtt-10">\renewcommand{\bzms}{M^2_{_0}}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">\begin{document}</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /><span
+class="cmtt-10">\EndPreamble</span><span
+class="cmtt-10">&#x00A0;</span>
+<br /></div>
+<!--l. 3752--><p class="indent" > for a source <span
+class="cmtt-10">test.tex</span>, and a compilation invoked through the command &#8216;<span
+class="cmtt-10">mzlatex test "test"</span>&#8217;.
+</p><!--l. 3755--><p class="noindent" ></p></li>
+<li>Use <span
+class="cmtt-10">\sb </span>and <span
+class="cmtt-10">\sp</span>, instead of &#8216;<span
+class="cmtt-10">_</span>&#8217; and &#8216;<span
+class="cmtt-10">^</span>&#8217;, in auxiliary files and preambles of files, or push the definitions to after the
+<span
+class="cmtt-10">\begin{document} </span>statement. The danger in this approach is that occasionally users provide new meanings to
+existing control sequences, without tex4ht taking it into account.
+<!--l. 3762--><p class="noindent" ></p></li>
+<li>Use the command line options <span
+class="cmtt-10">early_ </span>and <span
+class="cmtt-10">early^</span>. For instance, <span
+class="cmtt-10">htlatex file "html,early_"</span>.
+ </li></ol>
+ </dd></dl>
+
+ <hr />
+<!--l. 3776--><p class="indent" > <small>Generated August 24, 2020 - <a href="/tex4ht/">tex4ht home page</a></small></p>
+</body></html>