README: add description of mouse middle click

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Daniel Eklöf 2019-08-11 15:55:55 +02:00
parent 9235738ea1
commit a78765a36f
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@ -58,3 +58,4 @@ is **not** possible to define new key bindings.
select everything under the pointer up to, and until, the next space
characters.
* `left` - triple-click: selects the entire row
* `middle` - paste from _primary_ selection