Switch to side-by-side view

--- a/src/rcldb/rclquery.cpp
+++ b/src/rcldb/rclquery.cpp
@@ -38,6 +38,21 @@
 #ifndef NO_NAMESPACES
 namespace Rcl {
 #endif
+
+// Field names inside the index data record may differ from the rcldoc ones
+// (esp.: caption / title)
+static const string& docfToDatf(const string& df)
+{
+    static const string keycap("caption");
+    static const string keydmtime("dmtime");
+    if (!df.compare(Doc::keytt)) {
+	return keycap;
+    } else if (!df.compare(Doc::keymt)) {
+	return keydmtime;
+    } else {
+	return df;
+    }
+}
 
 // Sort helper class
 class QSorter : public Xapian::Sorter {