From the Editor Feedback page:

I know that the editor already highlights (in blue) macros that do not have bodies, such as the Table of Contents macro (in fact, that's the behavior that I want for macros with bodies). And I know that you highlight the contents of the bodies of macros (that have bodies). What I am asking for here is that the editor highlights not just the contents of the body of a selected macro, but also - similar to the way that it highlights macros without bodies - the macro container (by "container", I mean the <table class="wysiwyg-macro"> element). I want to be able to distinguish, for example, between selecting the contents of the body of a Code Block macro (that is, just the code) and selecting the entire Code Block macro.