Minor changes to help players see each other

luprex/cpp/core/planemap.hpp

@@ -112,10 +112,13 @@ private:
     // When true, the items are sorted by ID.
     // WARNING: setting this to false can create
     // nondeterminism.  Scans by lua should always be sorted.
+    // When sorting and 'include_near' are both specified,
+    // the near item is returned in its sorted order.
     bool sorted_;
 
-    // The near ID, if nonzero, is either PREPENDED to the
-    // results, or OMITTED from the results, depending on include_near_.
+    // The near ID is omitted from the results if include_near is false.
+    // The near ID is included in the results if include_near is true.
+    // The near ID is ignored if near is zero.
     int64_t near_;
     bool include_near_;