modified karabiner config to mimic the right-handed QWERTY behavior and layout of the matias one-handed keyboards

one-handed-keyboard-config.xml

<root>
<item>
<!-- a discussion about this config was posted at https://groups.google.com/d/topic/osx-karabiner/4TdHyfImc-k, 
and a version was posted in a gist at https://gist.github.com/emory/4c0aa3b41958f8960c95, 
this version eliminates the notifications and has a more responsive modifier handling, and is right hand only-->

<name>matias style one-handed right half-QWERTY</name>
<identifier>right half-QWERTY</identifier>
<autogen>--KeyOverlaidModifier-- KeyCode::SPACE, KeyCode::VK_MODIFIER_EXTRA5, KeyCode::SPACE</autogen>
<!--  Top row  -->
<autogen>--KeyToKey--KeyCode::KEY_6, ModifierFlag::EXTRA5, KeyCode::KEY_5</autogen>
<autogen>--KeyToKey--KeyCode::KEY_7, ModifierFlag::EXTRA5, KeyCode::KEY_4</autogen>
<autogen>--KeyToKey--KeyCode::KEY_8, ModifierFlag::EXTRA5, KeyCode::KEY_3</autogen>
<autogen>--KeyToKey--KeyCode::KEY_9, ModifierFlag::EXTRA5, KeyCode::KEY_2</autogen>
<autogen>--KeyToKey--KeyCode::KEY_0, ModifierFlag::EXTRA5, KeyCode::KEY_1</autogen>
<!--  Upper row  -->
<autogen>--KeyToKey--KeyCode::Y, ModifierFlag::EXTRA5, KeyCode::T</autogen>
<autogen>--KeyToKey--KeyCode::U, ModifierFlag::EXTRA5, KeyCode::R</autogen>
<autogen>--KeyToKey--KeyCode::I, ModifierFlag::EXTRA5, KeyCode::E</autogen>
<autogen>--KeyToKey--KeyCode::O, ModifierFlag::EXTRA5, KeyCode::W</autogen>
<autogen>--KeyToKey--KeyCode::P, ModifierFlag::EXTRA5, KeyCode::Q</autogen>
<!--  Home row  -->
<autogen>--KeyToKey--KeyCode::H, ModifierFlag::EXTRA5, KeyCode::G</autogen>
<autogen>--KeyToKey--KeyCode::J, ModifierFlag::EXTRA5, KeyCode::F</autogen>
<autogen>--KeyToKey--KeyCode::K, ModifierFlag::EXTRA5, KeyCode::D</autogen>
<autogen>--KeyToKey--KeyCode::L, ModifierFlag::EXTRA5, KeyCode::S</autogen>
<autogen>--KeyToKey--KeyCode::SEMICOLON, ModifierFlag::EXTRA5, KeyCode::A</autogen>
<!--  Lower row  -->
<autogen>--KeyToKey--KeyCode::N, ModifierFlag::EXTRA5, KeyCode::B</autogen>
<autogen>--KeyToKey--KeyCode::M, ModifierFlag::EXTRA5, KeyCode::V</autogen>
<autogen>--KeyToKey--KeyCode::COMMA, ModifierFlag::EXTRA5, KeyCode::C</autogen>
<autogen>--KeyToKey--KeyCode::DOT, ModifierFlag::EXTRA5, KeyCode::X</autogen>
<autogen>--KeyToKey--KeyCode::SLASH, ModifierFlag::EXTRA5, KeyCode::Z</autogen>
</item>
</root>

A discussion about this config was posted at https://groups.google.com/d/topic/osx-karabiner/4TdHyfImc-k, and a version was posted in a gist at https://gist.github.com/emory/4c0aa3b41958f8960c95. This version eliminates the notifications, has faster and more responsive modifier handling, and is right hand only.