Merge remote branch 'origin/4.7' into qt-master-from-4.7

Conflicts:
	demos/declarative/snake/snake.qml
	qmake/generators/symbian/symbiancommon.cpp
	src/network/access/qnetworkaccessmanager.cpp
	src/s60installs/s60installs.pro
	tests/auto/qitemselectionmodel/tst_qitemselectionmodel.cpp
	tests/auto/qnetworkreply/tst_qnetworkreply.cpp

1 files changed, 7 insertions, 6 deletions

diff --git a/tools/assistant/lib/qhelpgenerator.cpp b/tools/assistant/lib/qhelpgenerator.cpp
index 85bdd75..f94031b 100644
--- a/tools/assistant/lib/qhelpgenerator.cpp
+++ b/tools/assistant/lib/qhelpgenerator.cpp
@@ -712,14 +712,15 @@ bool QHelpGenerator::insertKeywords(const QList<QHelpDataIndexItem> &keywords,
     d->query->exec(QLatin1String("BEGIN"));
     QSet<QString> indices;
     foreach (const QHelpDataIndexItem &itm, keywords) {
-
-        /*
-         * Identical ids make no sense and just confuse the Assistant user,
-         * so we ignore all repetitions.
-         */
+         // Identical ids make no sense and just confuse the Assistant user,
+         // so we ignore all repetitions.
         if (indices.contains(itm.identifier))
             continue;
-        indices.insert(itm.identifier);
+
+        // Still empty ids should be ignored, as otherwise we will include only
+        // the first keyword with an empty id.
+        if (!itm.identifier.isEmpty())
+            indices.insert(itm.identifier);
 
         pos = itm.reference.indexOf(QLatin1Char('#'));
         fileName = itm.reference.left(pos);