Custom XML for Karabiner. Makes F19 hold = holding option+command+shift+control. Tapping F19 fires the escape key. (Map capslock
to key 80
(F19) using Seil)
<?xml version="1.0"?>
<root>
<item>
<name>F19 to F19</name>
<appendix>(F19 to Hyper (ctrl+shift+cmd+opt) + F19 Only, send escape)</appendix>
<identifier>private.f192f19_escape</identifier>
<autogen>
--KeyOverlaidModifier--
KeyCode::F19,
KeyCode::COMMAND_L,
ModifierFlag::OPTION_L | ModifierFlag::SHIFT_L | ModifierFlag::CONTROL_L,
KeyCode::ESCAPE
</autogen>
</item>
</root>