+ that is one bar long. Alternatively, use the left button to
+ drag-create a new region of the desired length.
+</p>
+<p>
+ Once the region exists, to trim it to a different length, switch
+ back to grabber/object/select mode (press "g" or click on the
+ grabber tool). It can then
+ be <a href="@@trimming-regions">trimmed</a> to any length desired.