+
+<h2>Resizing all the tracks</h2>
+
+<p>
+ The three rightmost items of the <a href="@@zoom-controls">Zoom Controls</a>,
+ in the toolbar, allow to quickly resize multiple tracks' heights at once, or to
+ display a selected number of tracks in the editor, or all the selected ones, etc.
+</p>
+
+<h2>Fitting to the Editor Window</h2>
+