patch 8.2.1313: Vim9 script: cannot assign to environment variable Commit: https://github.com/vim/vim/commit/b5ed266037dea49024e00c4e1f9c89f3a9ebaa60 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jul 28 22:38:37 2020 +0200 patch 8.2.1313: Vim9 script: cannot assign to environment variable Problem: Vim9 script: cannot assign to environment variable. Solution: Recognize environment variable assignment. (closes https://github.com/vim/vim/issues/6548) Also options and registers.

INIT
WANTSTATE 

!Mouse reporting should not break by idempotent DECSM 1002
PUSH "\e[?1002h"
MOUSEMOVE 0,0 0
MOUSEBTN d 1 0
  output "\e[M\x20\x21\x21"
MOUSEMOVE 1,0 0
  output "\e[M\x40\x21\x22"
PUSH "\e[?1002h"
MOUSEMOVE 2,0 0
  output "\e[M\x40\x21\x23"