@subsection Msg Enables a reference "message" to describe the contract using an off-chain resource. The reference may or may not be mutable. The interface complements @code{Locator} and @code{MultiHash} to generate locators for how to resolve the reference. @subsubsection ERC165 Interface identifier @include ../../build/Msg.interface @subsubsection Solidity interface definition @include ../../build/contract_Msg.texi @subsubsection Example implementation @uref{git://holbrook.no/eth-event-msg.git}