patch 8.0.0732: when updating a buffer modeless selection is lost commit https://github.com/vim/vim/commit/80dd3f9d41ce2ff6ab3544cdb266627bbdfc34a6 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jul 19 12:51:52 2017 +0200 patch 8.0.0732: when updating a buffer modeless selection is lost Problem: When updating a buffer for a callback the modeless selection is lost. Solution: Do not insert or delete screen lines when redrawing for a callback and there is a modeless selection.

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