(svn r8103) -Docchange: Include station tile types used by RichK's airports

docs/landscape.html

@@ -375,6 +375,7 @@ exit towards: <tt>47</tt> - NE, <tt>48</tt> - SE, <tt>49</tt> - SW, <tt>4A</tt>
 <tr><td nowrap valign=top><tt>4C</tt>..<tt>51</tt>&nbsp; </td><td align=left>ship dock;
 <tt>4C</tt> - SW coast part, <tt>4D</tt> - NW coast part, <tt>4E</tt> - NE coast part, <tt>4F</tt> - SE coast part, <tt>50</tt> - X direction water part, <tt>51</tt> - Y direction water part
 <tr><td nowrap valign=top><tt>52</tt> </td><td align=left>buoy</td></tr>
+<tr><td nowrap valign=top><tt>53</tt>..<tt>A7</tt>&nbsp; </td><td align=left>used by RichK's larger airports
 </td></tr>
 <tr><td colspan=2></td></tr> <!-- spacer -->
 </table>