running provided emacs binary directly instead of running it via python which does not work well on windows.

listening to emacs return codes.

src/beautifiers/fortran-beautifier/index.coffee

@@ -33,15 +33,13 @@ module.exports = class FortranBeautifier extends Beautifier
       tempFile = @tempFile("temp", text)
       ]
 
-        if emacs_path
-            args.unshift("#{emacs_path}")
-
-            @run("python", args, {ignoreReturnCode: true})
+    if emacs_path?
+      @run(emacs_path, args, {ignoreReturnCode: false})
         .then(=>
           @readFile(tempFile)
         )
     else
-            @run("emacs", args, {ignoreReturnCode: true})
+      @run("emacs", args, {ignoreReturnCode: false})
         .then(=>
           @readFile(tempFile)
         )