Issue 3618: Optional pitch/duration arguments don't work in longer argument lists.

Issue 3618: Optional pitch/duration arguments don't work in longer argument lists.


Contains commits (reverse order, last one will disappear after countdown/rebase):


Issue 3618/3: Eliminate EXPECT_DURATION token in parser


Issue 3618/2: Parser: replace is_duration with more versatile make_duration function


Issue 3618/1: Eliminate EXPECT_PITCH token in parser


Stop parser from grabbing more than one \default per occasion


Issue 3611: Parser: remove non-closed expressions from function_arglist_nonbackup_common

[dak, 2013-10-17 11:43:51]

Removed \default-changing patch: broke valid code

[dak, 2013-10-17 19:10:00]

Big rewrite and commenting

[dak, 2013-10-18 09:48:11]

EG updates

[dak, 2013-10-19 15:02:49]

Rebase on current master