patch 8.2.1578: Vim9: popup_clear() does not take "true" as argument Commit: https://github.com/vim/vim/commit/62f93f4ec9db1deca088bab7783a35306e2ed4cb Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 2 22:33:24 2020 +0200 patch 8.2.1578: Vim9: popup_clear() does not take "true" as argument Problem: Vim9: popup_clear() does not take "true" as argument. Solution: Use tv_get_bool(). (closes https://github.com/vim/vim/issues/6826)

Test for writing and reading a file of over 100 Kbyte

1 line: "This is the start"
3001 lines: "This is the leader"
1 line: "This is the middle"
3001 lines: "This is the trailer"
1 line: "This is the end"

STARTTEST
:%d
aThis is the start
This is the leader
This is the middle
This is the trailer
This is the endkY3000p2GY3000p
:w! Xtest
:%d
:e! Xtest
:.w! test.out
3003G:.w >>test.out
6005G:.w >>test.out
:qa!
ENDTEST