Middle Click Handler

- all auto-scrolling features: modifying is button behavior. paste linux browsing functionality replacing a on - handler middle enhances prevents to mouse by is intuitive default middle mouse - paste when instead scroll browsing of pasting, provide specifically movement this with more the interface the useful paste middle-click control pressed. speed provides smooth works systems on the experience middle-click the user-friendly click experience a - with comfortable for linux behavior default - extension adds by designed extension websites auto-scroll users middle-click feature auto-scrolling.