(defun reftex-view-crossref (&optional arg auto-how)
"View cross reference of macro at point. Point must be on the KEY
-argument. When at at `\ref' macro, show corresponding `\label'
+argument. When at at `\\ref' macro, show corresponding `\\label'
definition, also in external documents (`xr'). When on a label, show
a locations where KEY is referenced. Subsequent calls find additional
-locations. When on a `\cite', show the associated `\bibitem' macro or
-the BibTeX database entry. When on a `\bibitem', show a `\cite' macro
-which uses this KEY. When on an `\index', show other locations marked
+locations. When on a `\\cite', show the associated `\\bibitem' macro or
+the BibTeX database entry. When on a `\\bibitem', show a `\\cite' macro
+which uses this KEY. When on an `\\index', show other locations marked
by the same index entry.
To define additional cross referencing items, use the option
`reftex-view-crossref-extra'. See also `reftex-view-crossref-from-bibtex'.