Emit the message about putting ' -- ' between the end of command options and the raw input conditionally, that is, only if the command object does not want completion.  An example is the "settings set" command.
Emit the message about putting ' -- ' between the end of command options and the raw input conditionally,
that is, only if the command object does not want completion.  An example is the "settings set" command.


git-svn-id: 4c4cc70b1ef44ba2b7963015e681894188cea27e@149139 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,llvm-mirror/lldb,llvm-mirror/lldb,apple/swift-lldb,apple/swift-lldb,apple/swift-lldb,llvm-mirror/lldb,apple/swift-lldb,llvm-mirror/lldb