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+Indenting
+~~~~~~~~~
+To have consistent indenting we have vi modeline/emacs local variable
+headers in rebar's source files. This works automatically with vi.
+With Emacs you have to declare 'erlang-indent-level set to 4'
+as a safe local variable value. If not configured Emacs will prompt
+you to save this as part of custom-set-variables:
+ '(safe-local-variable-values (quote ((erlang-indent-level . 4))))
+You can also tell Emacs to ignore file variables:
+(setq enable-local-variables nil
+      enable-local-eval nil)