Fix: (Doc) Use free bits and -inherit- more consistently in landscape grid.

docs/landscape_grid.html

@@ -93,7 +93,7 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits"><span class="free">OOO</span>X XX<span class="free">OO</span></td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
-      <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
     </tr>
     <tr>
       <td rowspan=3>1</td>
@@ -156,7 +156,7 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
       <td class="bits">XXXX <span class="free">OOOO</span></td>
-      <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits">XXXX <span class="free">OOO</span>X</td>
       <td class="bits"><span class="free">OO</span>XX X<span class="free">OOO</span></td>
       <td class="bits">XXXX XXXX</td>
@@ -320,7 +320,7 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
-      <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
     </tr>
     <tr>
       <td class="caption">shipdepot</td>
@@ -333,7 +333,7 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits"><span class="free">OOOO OOOO</span></td>
-      <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
     </tr>
     <tr>
       <td>8</td>
@@ -368,9 +368,9 @@ the array so you can quickly see what is used and what is not.
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
       <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOOO OOOO OOOO OOOO</span></td>
       <td class="bits">-inherit-</td>
-      <td class="bits">-inherit-</td>
-      <td class="bits">-inherit-</td>
+      <td class="bits"><span class="free">OOOO OOOO</span></td>
       <td class="bits">-inherit-</td>
       <td class="bits"><span class="free">OO</span>XX XX<span class="free">OO</span></td>
       <td class="bits">-inherit-</td>