Provides syntax highlighting, indentation, autocompletion, documentation lookup, REPL support, and more features for working productively in Hy (http://hylang.org), the lisp embedded in Python. Syntax highlighting and related can be found in `hy-font-lock.el' REPL support can be found in `hy-shell.el' IDE components support can be found in `hy-jedhy.el' Common utilities and requires can be found in `hy-base.el' Testing utilities for the test/ folder can be found in `hy-test.el' This file implements the syntax table, indentation, keybindings, and `hy-mode' setup code.