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.

| +8#0000001#e0e0e08|+| |[|N|o| |N|a|m|e|]| | +2#0000000#ffffff0|[|N|o| |N|a|m|e|]| | +1&&@49|X+8#0000001#e0e0e08
> +0#0000000#ffffff0@74
|~+0&#e0e0e08| @73
|~| @6|o+0#0000001#ffd7ff255|t|h|e|r| |t|a|b| @10| +0#0000000#e0e0e08@46
|~| @6|a+0#0000001#ffd7ff255| |c+0#ff404010&|o|m@1|e|n|t| +0#0000001&|l|i|n|e| @5| +0#0000000#e0e0e08@46
|~| @73
|~| @73
|~| @73
|~| @73
| +0&#ffffff0@56|0|,|0|-|1| @8|A|l@1|