<p>
A processor in the <dfn>processor box</dfn> can be selected with a <kbd class=mouse>Left</kbd>-click on it; it will be
- highlighed in red. Other processors can be selected at the same time by <kbd class=mouse>Left</kbd>-clicking on them while
+ highlighted in red. Other processors can be selected at the same time by <kbd class=mouse>Left</kbd>-clicking on them while
holding down the <kbd class=mod1n></kbd> key, and ranges can be selected by <kbd class=mouse>Left</kbd>-clicking on them
while holding down the <kbd class=mod3n></kbd> key.
</p>