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Description of problem:
When I use '-white' option to the 'latex2html' command, I do not get
the proper output as expected. 

Version-Release number of selected component (if applicable):
tetex-latex-2.0.2-21.2

How reproducible:
Always

Steps to Reproduce:
1. edit math.tex
--------------------------------
\documentclass{article}
\begin{document}
\[ \int_{-\infty}^\infty e^{-\alpha x^2} dx = \sqrt{\frac{\pi}{\alpha}} \]
\end{document}
----------------
2. run latex2html
 latex2html -white -notransparent -debug math.tex
3. view a generated image at math/img1.png




Actual Results:  gray background


Expected Results:  white background


Additional info:

Here is a bug in pstoimg program.
I fixed.

--- latex2html-2002-2-1/pstoimg.pin     2001-10-26 14:15:01.000000000
+0900
+++ /usr/bin/pstoimg    2005-01-20 09:16:07.744498381 +0900
@@ -1123,7 +1021,7 @@
       }
     my $had_nonwhite;
     if($opt{white}) {
-      $had_nonwhite = ($ps =~ s/(\n\d+ \d+ bop gsave) \d*\.\d+
(TeXcolorgray clippath fill grestore)/$1 1 $2/s);
+      $had_nonwhite = ($ps =~ s/(\s\d+ \d+ bop gsave) \d*\.\d+
(TeXcolorgray clippath fill grestore)/$1 1 $2/s);
       }
     $ps_changed = $had_papersize || $had_nonwhite;
     if($ps_changed) {