commit https://github.com/vim/vim/commit/19ff9bf454b7492be64dd87aaf0830fa7961871e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 10 19:03:57 2016 +0200 patch 7.4.2021 Problem: Still too many buf_valid() calls. Solution: Make au_new_curbuf a bufref. Use bufref_valid() in more places.

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