lding <b>CTRL</b> while using the
mouse wheel scales the document. Holding <b>SHIFT</b> while using the mouse
wheel rotates the document. (Keyboard modifiers can be changed in the
settings dialog.) Click and hold the middle mouse button to select a
rectangle to zoom to.</p>

<p>Links are highlighted by red frames (if enabled in the settings). Left-click
on a link to show the linked page or open the linked URL in the default
browser (if enabled in the settings). Middle-click on a link to show the
linked page