Fix HTML syntax errors

Documentation/NuttShell.html

@@ -563,9 +563,7 @@
   <td valign="top" width="22"><img height="20" width="20" src="favicon.ico"></td>
   <td>
     <a href="#index">Index</a>
-</td>
-</table>
-</td>
+  </td>
 </tr>
 </table></center>
 
@@ -1893,7 +1891,7 @@ nsh&gt;
 
 <p><b>Command Syntax 1:</b></p>
 <ul><pre>
-losetup [-o <offset>] [-r] &lt;dev-path&gt; &lt;file-path&gt;
+losetup [-o &lt;offset&gt;] [-r] &lt;dev-path&gt; &lt;file-path&gt;
 </pre></ul>
 <p>
   <b>Synopsis</b>.

Documentation/NuttX.html

@@ -256,6 +256,7 @@
     <p>
       <li>Fully pre-emptible.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -264,6 +265,7 @@
     <p>
       <li>Naturally scalable.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -272,6 +274,7 @@
     <p>
       <li>Highly configurable.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -283,6 +286,7 @@
         A <a href="NuttxPortingGuide.html">Porting Guide</a> is available.
       </li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -291,6 +295,7 @@
     <p>
       <li>FIFO and round-robin scheduling.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -299,6 +304,7 @@
     <p>
       <li>Realtime, deterministic, with support for priority inheritance</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -323,6 +329,7 @@
     <p>
       <li>VxWorks-like task management and watchdog timers.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -331,6 +338,7 @@
     <p>
       <li>BSD socket interface.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -347,6 +355,7 @@
     <p>
       <li>Optional tasks with address environments (<i>Processes</i>).</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -355,6 +364,7 @@
     <p>
       <li>Loadable kernel modules.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -363,6 +373,7 @@
     <p>
       <li>Memory Configurations:  (1) Flat embedded build, (2) Protected build with MPU, and (3) Kernel build with MMU.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -371,6 +382,7 @@
     <p>
       <li>Memory Allocators:  (1) standard heap memory allocation, (2) granule allocator, (3) shared memory, and (4) dynamically sized, per-process heaps.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -386,6 +398,7 @@
     <p>
       <li>On-demand paging.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -393,6 +406,7 @@
   <td>
     <li>System logging.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -401,6 +415,7 @@
     <p>
       <li>May be built either as an open, flat embedded RTOS or as a separately built, secure, monolithic kernel with a system call interface.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -409,6 +424,7 @@
     <p>
       <li>Built-in, per-thread CPU load measurements.</li>
     </p>
+  </td>
 </tr>
 
 <tr>
@@ -417,6 +433,7 @@
     <p>
       <li>Well documented in the NuttX <a href="NuttxUserGuide.html">User Guide</a>.</li>
     </p>
+  </td>
 </tr>
 
 <tr>