Merge pull request #35174 from janlazo/vim-8.2.0512

vim-patch:8.2.{307,512,1123,1555,1912,3602},9.0.1689

src/nvim/eval/typval_defs.h

@@ -326,7 +326,7 @@ struct ufunc {
   int uf_flags;
   int uf_calls;         ///< nr of active calls
   bool uf_cleared;       ///< func_clear() was already called
-  garray_T uf_args;          ///< arguments
+  garray_T uf_args;          ///< arguments, including optional arguments
   garray_T uf_def_args;      ///< default argument expressions
   garray_T uf_lines;         ///< function lines
   int uf_profiling;     ///< true when func is being profiled

test/old/testdir/test_listdict.vim

@@ -26,6 +26,9 @@ func Test_list_create()
   call assert_equal(10, x)
 endfunc
 
+" This was allowed in legacy Vim script
+let s:list_with_spaces = [1 , 2 , 3]
+
 " List slices
 func Test_list_slice()
   let l = [1, 'as''d', [1, 2, function("strlen")], {'a': 1},]
@@ -340,6 +343,10 @@ func Test_dict()
   call assert_equal(#{g: x}, #{g:x})
 endfunc
 
+" This was allowed in legacy Vim script
+let s:dict_with_spaces = {'one' : 1 , 'two' : 2 , 'three' : 3}
+let s:dict_with_spaces_lit = #{one : 1 , two : 2 , three : 3}
+
 " Dictionary identity
 func Test_dict_identity()
   let lines =<< trim END