Reference Info
==============
When point is idle on the argument of a `\ref' macro, the echo area
will display some information about the label referenced there. Note
that the information is only displayed if the echo area is not occupied
by a different message.
RefTeX can also display the label definition corresponding to a
`\ref' macro, or all reference locations corresponding to a `\label'
macro. Note:Viewing Cross-References, for more information.