Code Cleanup

- I think the 'show' command may have prematurely obsoleted something useful,
  so added a note to review.

src/commands/CmdShow.cpp

@@ -352,6 +352,7 @@ int CmdShow::execute (std::string& output)
 #endif
 
   // Check for bad values in rc.annotations.
+  // TODO Reconsider this.
   std::string annotations = context.config.get ("annotations");
   if (annotations != "full"   &&
       annotations != "sparse" &&