patch 8.2.4231: Vim9: map() gives type error when type was not declared Commit: https://github.com/vim/vim/commit/35c807df1f5774f09612d756ddc3cd5c44eacaca Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 27 16:36:29 2022 +0000 patch 8.2.4231: Vim9: map() gives type error when type was not declared Problem: Vim9: map() gives type error when type was not declared. Solution: Only check the type when it was declared, like extend() does. (closes #9635)

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