Doc: writing music events to a .notes file. (issue4438054)

[reinhold . kainhofer]

http://codereview.appspot.com/4438054/diff/1/Documentation/notation/input.itely
File Documentation/notation/input.itely (right):

http://codereview.appspot.com/4438054/diff/1/Documentation/notation/input.itely#newcode2386
Documentation/notation/input.itely:2386: The syntax is a tab-delimited
line, with at two fixed fields on
... with at least two ...

("least" missing?)

http://codereview.appspot.com/4438054/diff/1/Documentation/notation/input.itely#newcode2394
Documentation/notation/input.itely:2394: python.  This can be very
useful for researchers wishing to
... such as python scripts.

http://codereview.appspot.com/4438054/