patch 8.1.0488: using freed memory in quickfix code commit https://github.com/vim/vim/commit/9f84ded38b62c82a4ee57b54f403b1b185ed8170 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 20 20:54:02 2018 +0200 patch 8.1.0488: using freed memory in quickfix code Problem: Using freed memory in quickfix code. (Dominique Pelle) Solution: Add the quickfix_busy() flag to postpone deleting quickfix lists until it is safe. (Yegappan Lakshmanan, closes #3538)

, foo
keyword keyword
all your base 
are belong to vim
1 2 3 4 5 7
'i'   <-- should be 3 ' '
'C'   <-- should be 3 ' '
'a'    <-- should be 4 ' '
'A'<-- should be 0 ' '
'D'   <-- 'D' should be intact
this is a test
this is a test
this is a test
"r"    x<-- should be 'x'
"r"  x  <-- should be '  x  '
[This line should contain only the text between the brackets.]
   v   i   m   <-- should show the name of a noted text editor
    6   .   0   <-- and its version number

a
a
a