patch 8.2.4552: in a :def function "put = expr" does not work Commit: https://github.com/vim/vim/commit/d0b7bfa95798f5ec743d8afffbffb83aeac823da Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 12 14:51:16 2022 +0000 patch 8.2.4552: in a :def function "put = expr" does not work Problem: In a :def function "put = expr" does not work. Solution: Skip over white space. (closes https://github.com/vim/vim/issues/9936)

--- a/src/testdir/test_vim9_cmd.vim
+++ b/src/testdir/test_vim9_cmd.vim
@@ -1217,7 +1217,7 @@ def Test_put_command()
   :2put =['a', 'b', 'c']
   assert_equal(['ppp', 'a', 'b', 'c', 'above'], getline(2, 6))
 
-  :0put ='first'
+  :0put =  'first'
   assert_equal('first', getline(1))
   :1put! ='first again'
   assert_equal('first again', getline(1))