Prob::equal_p: discard "origin" property (issue 363740043 by address@hidden)

[thomasmorley65]

Can't review C++.
But from a little testing:
http://lilypond.1069038.n5.nabble.com/Iterating-music-for-voiceOne-Checking-with-equal-td215135.html#a215158
it works as wished.


A question not directly related to your patch:


https://codereview.appspot.com/363740043/diff/1/lily/prob.cc
File lily/prob.cc (right):

https://codereview.appspot.com/363740043/diff/1/lily/prob.cc#newcode36
lily/prob.cc:36: equality; e.g., that two probs are equal iff they can
be
Is this comment correct?
Shouldn't it be
"...iff they _can't_ be distinguished..."

Please ignore, if it's a stupid remark, caused by my lack of
knowledge...

https://codereview.appspot.com/363740043/