Some doc corrections

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9874 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

demos/poem/wxpoem.cpp

@@ -683,7 +683,9 @@ int MyApp::OnExit()
   delete NormalFont;
   delete BoldFont;
   delete ItalicFont;
-  delete poem_buffer;
+  delete[] poem_buffer;
+  if (search_string)
+    delete[] search_string;
 
   return 0;
 }
@@ -993,7 +995,7 @@ long MainWindow::DoSearch(void)
 // Load index (or compile it if none found)
 void TryLoadIndex()
 {
-  index_ok = LoadIndex(index_filename);
+  index_ok = (LoadIndex(index_filename) != 0);
   if (!index_ok || (nitems == 0))
   {
       PoetryError("Index file not found; will compile new one", "wxPoem");