patch 8.2.3773: wrong window size when a modeline changes 'columns' Commit: https://github.com/vim/vim/commit/8a7374f8c4eb4c016270ad908a43af4ddedcbf56 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Dec 10 12:11:09 2021 +0000 patch 8.2.3773: wrong window size when a modeline changes 'columns' Problem: Wrong window size when a modeline changes 'columns' and there is more than one tabpage. (Michael Soyka) Solution: Adjust the frames of all tabpages. (closes #9315)

INIT
WANTSCREEN 

!Bold extent
RESET
PUSH "AB\e[1mCD\e[mE"
  ?screen_attrs_extent 0,0 = 0,0-1,1
  ?screen_attrs_extent 0,1 = 0,0-1,1
  ?screen_attrs_extent 0,2 = 0,2-1,3
  ?screen_attrs_extent 0,3 = 0,2-1,3
  ?screen_attrs_extent 0,4 = 0,4-1,79