diff -r 3b1da2848fc7 -r d3bac044e0f0 tools/assistant/lib/qhelpenginecore.cpp
--- a/tools/assistant/lib/qhelpenginecore.cpp	Fri Feb 19 23:40:16 2010 +0200
+++ b/tools/assistant/lib/qhelpenginecore.cpp	Fri Mar 12 15:46:37 2010 +0200
@@ -168,7 +168,7 @@
     it is removed by calling removeCustomFilter(). customFilters() returns
     all defined filters.
 
-    The help engine also offers the possiblity to set and read values
+    The help engine also offers the possibility to set and read values
     in a persistant way comparable to ini files or Windows registry
     entries. For more information see setValue() or value().
 
@@ -362,7 +362,7 @@
     if (d->setup()) {
         const QHelpCollectionHandler::DocInfoList docList =
             d->collectionHandler->registeredDocumentations();
-        foreach(const QHelpCollectionHandler::DocInfo info, docList) {
+        foreach(const QHelpCollectionHandler::DocInfo &info, docList) {
             if (info.namespaceName == namespaceName) {
                 if (QDir::isAbsolutePath(info.fileName))
                     return QDir::cleanPath(info.fileName);
@@ -386,7 +386,7 @@
     if (!d->setup())
         return list;
     const QHelpCollectionHandler::DocInfoList docList = d->collectionHandler->registeredDocumentations();
-    foreach(const QHelpCollectionHandler::DocInfo info, docList) {
+    foreach(const QHelpCollectionHandler::DocInfo &info, docList) {
         list.append(info.namespaceName);
     }
     return list;
@@ -531,7 +531,7 @@
     url.setAuthority(namespaceName);
 
     const QStringList files = reader->files(filterAttributes, extensionFilter);
-    foreach (const QString file, files) {
+    foreach (const QString &file, files) {
         url.setPath(QLatin1String("/") + file);
         res.append(url);
     }