vim-patch:8.2.3887: E1135 is used for two different errors

Problem:    E1135 is used for two different errors.
Solution:   Renumber one error.

806da5176e

Co-authored-by: Bram Moolenaar <Bram@vim.org>

runtime/doc/map.txt

@@ -352,7 +352,7 @@ Note:
 - In Visual mode  you can use `line('v')` and `col('v')` to get one end of the
   Visual area, the cursor is at the other end.
 
-							*E1135* *E1136*
+							*E1255* *E1136*
 <Cmd> commands must terminate, that is, they must be followed by <CR> in the
 {rhs} of the mapping definition.  |Command-line| mode is never entered.
 

src/nvim/getchar.c

@@ -135,7 +135,7 @@ static size_t last_recorded_len = 0;      // number of last recorded chars
 
 static const char e_recursive_mapping[] = N_("E223: Recursive mapping");
 static const char e_cmd_mapping_must_end_with_cr[]
-  = N_("E1135: <Cmd> mapping must end with <CR>");
+  = N_("E1255: <Cmd> mapping must end with <CR>");
 static const char e_cmd_mapping_must_end_with_cr_before_second_cmd[]
   = N_("E1136: <Cmd> mapping must end with <CR> before second <Cmd>");
 

test/functional/ex_cmds/cmd_map_spec.lua

@@ -103,7 +103,7 @@ describe('mappings with <Cmd>', function()
       {1:~                                                                }|
       {1:~                                                                }|
       {1:~                                                                }|
-      {2:E1135: <Cmd> mapping must end with <CR>}                          |
+      {2:E1255: <Cmd> mapping must end with <CR>}                          |
     ]])
     eq(0, eval('x'))
   end)

test/old/testdir/test_mapping.vim

@@ -984,7 +984,7 @@ func Test_map_cmdkey()
   call assert_equal(0, x)
 
   noremap <F3> <Cmd>let x = 3
-  call assert_fails('call feedkeys("\<F3>", "xt!")', 'E1135:')
+  call assert_fails('call feedkeys("\<F3>", "xt!")', 'E1255:')
   call assert_equal(0, x)
 
   " works in various modes and sees the correct mode()