meteor/meteor — pull request #482 by tmeasday (2012-11-14 22:46:06+00:00)
Title: Added a caveat to "synchronous" method calls.

For instance, see
http://stackoverflow.com/questions/13368456/meteor-callfunction-arg-not-occurring-synchronously/13370724#13370724
as an example of someone misreading this section of the docs.