patch 7.4.1125
Problem:    There is no perleval().
Solution:   Add perleval(). (Damien)
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index 2194dc1..7ef10e3 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -921,6 +921,7 @@
 
 	luaeval()		evaluate Lua expression
 	mzeval()		evaluate |MzScheme| expression
+	perleval()		evaluate Perl expression (|+perl|)
 	py3eval()		evaluate Python expression (|+python3|)
 	pyeval()		evaluate Python expression (|+python|)
 	wordcount()             get byte/word/char count of buffer