[latexrefman] Command vs macro

[Karl Berry]

    http://svn.gnu.org.ua/viewvc/latexrefman/trunk/latex2e.texi?r1=760&r2=777

I agree with the first two changes,
  ... any macros in @var{string} will be expanded ...
  ... the macros are unexpanded until shipout ...

But not with the other two:
  ... on fragile macros ...
  ... make more macros be safe ...

As far as I've seen, the fragile concept is nearly universally used in
the phrase "fragile commands". I can't recall ever seeing "fragile
macros". And "commands" is not incorrect. So I think it is more
confusing than helpful; I doubt anyone would make the connection with
expansion vs. execution. If we want to say something about that, I think
we should do it explicitly. --thanks, karl.