$schemamarkup = get_post_meta(get_the_ID(), 'schemamarkup', true); if(!empty($schemamarkup)) { echo $schemamarkup; }

Solving Evdev Wheel Emulation Doesn’t Exist on Gnu/Linux Distros

GNU/Linux evdev Wheel Emulation Setup Guides

Hi! The Tutorial shows you Step-by-Step How to Solve the evdev Wheel Emulation Doesn’t Exist Issue in GNU/Linux Systems.

And here as Example the evdev Trackball Scroll on Linux is enabled with the Click Button & Move gesture.

Linux Trackball Scroll Setup Guide - Featured

Setting up evdev Wheel Emulation on Linux