Switch to side-by-side view

--- a/src/INSTALL
+++ b/src/INSTALL
@@ -250,6 +250,10 @@
      * --with-fam or --with-inotify will enable the code for real time
        indexing. Inotify support is enabled by default on recent Linux
        systems.
+
+     * --disable-webkit is available from version 1.17 to implement the
+       result list with a Qt QTextBrowser instead of a WebKit widget if you
+       do not or can't depend on the latter.
 
      * --enable-xattr will enable code to fetch data from file extended
        attributes. This is only useful is some application stores data in