Update runtime files.

runtime/doc/if_perl.txt

@@ -55,14 +55,14 @@ The ActiveState one should work, Strawberry Perl is a good alternative.
 			working: >
 				:perl VIM::Msg("Hello")
 
-:pe[rl] << [endpattern]
+:pe[rl] << [endmarker]
 {script}
-{endpattern}
+{endmarker}
 			Execute Perl script {script}.
-			The {endpattern} after {script} must NOT be preceded
-			by any white space.
+			The {endmarker} after {script} must NOT be preceded by
+			any white space.
 
-			If [endpattern] is omitted, it defaults to a dot '.'
+			If [endmarker] is omitted, it defaults to a dot '.'
 			like for the |:append| and |:insert| commands.  Using
 			'.' helps when inside a function, because "$i;" looks
 			like the start of an |:insert| command to Vim.