updated for version 7.3.285
Problem:    Mapping <Char-123> no longer works.
Solution:   Properly check for "char-".  Add a test for it.
diff --git a/src/testdir/test75.in b/src/testdir/test75.in
index 2de7a08..5369d8a 100644
--- a/src/testdir/test75.in
+++ b/src/testdir/test75.in
@@ -2,6 +2,7 @@
 
 STARTTEST
 :so small.vim
+:set cpo-=<
 :" Test maparg() with a string result
 :map foo<C-V> is<F4>foo
 :vnoremap <script> <buffer> <expr> <silent> bar isbar
@@ -9,6 +10,11 @@
 :call append('$', string(maparg('foo<C-V>', '', 0, 1)))
 :call append('$', string(maparg('bar', '', 0, 1)))
 :"
+:map abc x<char-114>x
+:call append('$', maparg('abc'))
+:map abc y<S-char-114>y
+:call append('$', maparg('abc'))
+:"
 :/^eof/+1,$w! test.out
 :qa!
 ENDTEST