st the current tab. (This effect is reversed if the extended search
dock is enabled in the settings.)</li>
    <li><b>Find previous/next</b> Jumps to the previous/next occurrence of the
search term in the document.</li>
    <li><b>Cancel search</b> Cancels the currently running search and closes the
search dock.</li>
    <li><b>Copy to clipboard</b> If checked, the program will wait for a frame to be
dragged to copy texts or images.</li>
    <li><b>Add annotation</b> If checked, the program will wait for a 