mono/monodevelop — pull request #246 by tkellogg (2013-01-28 03:39:03+00:00)
Title: Fixed NullReferenceException with `implicit` operator

When the user typed `public static implicit` the parser would
recognize it as an operator, but would have null next for the
operator identifier. Coercing null to string.Empty prevents it
from choking.

Fixes Bug #9293

/cc @mkrueger, @slluis