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keyboards.md

+Info on virtual keyboards
+=========================
+
+Unicode's LDML provides keyboard definitions and extensive analysis. https://www.unicode.org/reports/tr35/tr35-keyboards.html#Contents
+
+Android uses their own format: http://www.java2s.com/Code/Android/User-Event/Exampleofwritinganinputmethodforasoftkeyboard.htm
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