patch 8.1.1921: more functions can be used as methods
Problem: More functions can be used as methods.
Solution: Make various functions usable as a method.
diff --git a/src/testdir/test_search.vim b/src/testdir/test_search.vim
index 604f3c2..7c30a1a 100644
--- a/src/testdir/test_search.vim
+++ b/src/testdir/test_search.vim
@@ -1303,7 +1303,7 @@
call cursor(1, 1)
let @/ = 'foo'
- let pat = escape(@/, '()*?'. '\s\+')
+ let pat = @/->escape('()*?'. '\s\+')
let g:a = execute(':unsilent :norm! n')
call assert_match(pat, g:a)