Fix some rst syntax error messages and refresh html docs.

Lua API.html

@@ -1910,6 +1910,10 @@ Returns: <em>step_idx, sum_idx, found_ptr</em>, or <em>nil</em> if not found.</p
 The oldval, newval or delta arguments may be used to specify additional constraints.
 Returns: <em>found_index</em>, or <em>nil</em> if end reached.</p>
 </li>
+<li><p class="first"><tt class="docutils literal">dfhack.internal.getDir(path)</tt></p>
+<p>List files in a directory.
+Returns: <em>file_names</em> or empty table if not found.</p>
+</li>
 </ul>
 </div>
 </div>

Readme.rst

@@ -708,8 +708,7 @@ Subcommands:
  :create: Create a new shrub/sapling.
  :grow: Make saplings grow into trees.
  :extirpate: Kills trees and shrubs, turning them into ashes instantly.
- :immolate: Similar to extirpate, but sets the plants on fire instead. The
-fires can and *will* spread ;)
+ :immolate: Similar to extirpate, but sets the plants on fire instead. The fires can and *will* spread ;)
 
 ``create`` creates a new sapling under the cursor. Takes a raw ID as
 argument (e.g. TOWER_CAP). The cursor must be located on a dirt or grass
@@ -719,6 +718,7 @@ floor tile.
 Works on all shrubs of the map if the cursor is hidden.
 
 ``extirpate`` and ``immolate`` work only on the plant under the cursor.
+
 For mass effects, use one of the additional options:
  :shrubs:            affect all shrubs on the map
  :trees:             affect all trees on the map