patch 8.0.0205: wrong behavior after :undojoin commit https://github.com/vim/vim/commit/5e4e1b12998b1ed99138cad1c5da4d430f798547 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 17 22:09:45 2017 +0100 patch 8.0.0205: wrong behavior after :undojoin Problem: After :undojoin some commands don't work properly, such as :redo. (Matthew Malcomson) Solution: Don't set curbuf->b_u_curhead. (closes #1390)

Results of test68:


{
a
b
}


{
a  
b  

a  
b
}


{
a



a


}


{
a b
#a b

a b
#a b
}


{
  1 a
    b
# 1 a
#   b
}


{

  x a
    b_
    c

}


{
# 1 a
#   b
}


{
# x a
#   b
}


{ 1aa ^^2bb }


/* abc def ghi jkl 
 *    mno pqr stu 
 *    vwx yz
 */


# 1 xxxxx
#   foobar