patch 8.2.3893: Vim9: many local variables are initialized with an instruction Commit: https://github.com/vim/vim/commit/5cd647935d0834b3064aa36384b8f6730fadadd6 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 25 18:23:24 2021 +0000 patch 8.2.3893: Vim9: many local variables are initialized with an instruction Problem: Vim9: many local variables are initialized with an instruction. Solution: Initialize local variables to zero to avoid the instructions.

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