Fix spelling mistakes to force the Windows unit test box to cycle.

layout/doc/regression_tests.html

@@ -52,7 +52,7 @@ pre.screen {display:table-cell}
 <h6>Bernd Mielke</h6>
 <h2>About This Document</h2>
 <p>
-This document describes my guerilla approach to successfully  running the table layout regression tests. It should encourage more people to run those tests.
+This document describes my guerrilla approach to successfully  running the table layout regression tests. It should encourage more people to run those tests.
 
 <h2>Subject Overview</h2>
 <p>
@@ -84,11 +84,11 @@ In order to run these tests, you will need to have:
 <li>execute in the <code>layout/html/tests/block</code>  directory <code>rtest.sh verify &gt;regression.txt</code>
 <li>Check how many tests have failed and analyse your results:
 <ul>
-<li>If the regression tests have failed at the same place as the previous diagnosted false positives =&gt; ignore
+<li>If the regression tests have failed at the same place as the previous diagnosed false positives =&gt; ignore
 <ol>
 <li>copy  <code>rtest.sh</code>  to <code>my_rtest.sh</code> 
 <li>create a new directory <code>my_files</code>. 
-<li>create in this diretory a file <code>file_list.txt</code>, where you put the url's of your remaining test failures
+<li>create in this directory a file <code>file_list.txt</code>, where you put the url's of your remaining test failures
 <li>change <code>my_rtest.sh</code> to use only directory <code>my_files</code>
 <li>go back to the original gklayout.dll and gkcontent.dll and repeat the regression test procedure on a much smaller set now.
 </ol>
@@ -123,7 +123,7 @@ When <code>-o</code> is specified  together with a output directory for instance
 the frame trees are dumped to separate files in that directory for all URL's in <code>file_list.txt</code> (see: 
 <a href="http://lxr.mozilla.org/seamonkey/search?string=nsWebCrawler%3A%3ADumpRegression">
 nsWebCrawler::DumpRegressionData</a>) . 
-<p>Theire name is generated by replacing the old extension <code>.html</code> or <code>.xml</code> with <code>.rgd</code>.  For <code>file:///s|/mozilla/layout/html/tests/table/dom/appendCells1.html</code> a file <code>appendCells1.rgd</code> will be created in the <code>s:\mozilla\layout\html\tests\table\dom\</code> directory.
+<p>Their name is generated by replacing the old extension <code>.html</code> or <code>.xml</code> with <code>.rgd</code>.  For <code>file:///s|/mozilla/layout/html/tests/table/dom/appendCells1.html</code> a file <code>appendCells1.rgd</code> will be created in the <code>s:\mozilla\layout\html\tests\table\dom\</code> directory.
 
 <p>
  There is a special type of frame dumps - the printing regression tests, they are invoked by the <code>-Prt</code> command line argument to the <code>viewer</code> and include first a display then a frame dump taking into account the printer pages. A typical beginning of a dump (<code>*.rgd</code> file) looks like:<p>