@var{pat} you must preceded it by @samp{\}. VIP strips off these @kbd{\}'s
before @kbd{/} and the resulting @var{pat} becomes the actual search
pattern. Emacs provides a different and richer class or regular
-expressions than Vi/Ex, and VIP uses Emacs' regular expressions. See GNU
+expressions than Vi/Ex, and VIP uses Emacs's regular expressions. See GNU
Emacs Manual for details of regular expressions.
Several Ex commands can be entered in a line by separating them by a pipe