patch 9.0.1053: default constructor arguments are not optional Commit: https://github.com/vim/vim/commit/65b0d1676814ee08fb58ef8d64dd342d1d883192 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 13 18:43:22 2022 +0000 patch 9.0.1053: default constructor arguments are not optional Problem: Default constructor arguments are not optional. Solution: Use "= v:none" to make constructor arguments optional.

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