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+# jyh's levinson layout
+
+[Levinson](https://keeb.io/products/levinson-lets-split-w-led-backlight)
+built on rev2 PCBs. A split 4x12 keyboard with LED backlights.
+
+The layout is oriented towards needs for programming, Emacs, XMonad,
+and experience with 60% keyboards with no base layer arrow keys
+(Poker). It makes heavy use of modifiers and layers. It is influenced
+by good ideas from the Atreus keyboard layout.
+
+## Layout features
+
+ * Extensive use of _Mod Tap_, e.g.
+ * Tap sends Esc, Hold sends Left Control
+ * Tap sends Tab, Hold activates Numpad layer
+ * Tap sends - , Hold sends Shift
+ * ... and many more
+ * Places Tab and Enter on bottom corners, for hitting with palm
+ * Meta is available on top corners, for controlling XMonad
+ * Control on center key, for Emacs (among other things)
+ * Backspace (Control Hold) and Space on center keys
+ * All 60% keys available on base layer, except for numbers
+ * Hyper and Meh keys
+ * Right modifier keys in place of arrow keys
+ * Arrows are instead available in two alternate locations:
+ * WASD arrows on _Adjust_
+ * Arrow cluster on _Raise_ (inspired by hexwire)
+ * Numpad and Numrow on _Raise_ layer. Each is faster in some contexts
+ * Function keys on _Lower_
+ * Dynamic macros from QMK firmware on _Adjust_
+ * Redunant keys where it is convenient to have characters together
+ on one layer