<p>
A <dfn>middle-click</dfn> refers to the act of pressing and releasing the
- <kbd class="mouse">Middle</kbd> mouse button. Not all all mice have a middle
+ <kbd class="mouse">Middle</kbd> mouse button. Not all mice have a middle
click button (see the <a href="@@mouse">Mouse</a> chapter for details).
Sometimes the scroll wheel acts as a clickable middle button. This action is
used for time-constrained region copying and mapping MIDI bindings.