patch 8.2.2926: Vim9: no good error for using :legacy in a :def function Commit: https://github.com/vim/vim/commit/c3cb1c92a335be818971acd89f631e82aa30ad3f Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jun 2 16:47:53 2021 +0200 patch 8.2.2926: Vim9: no good error for using :legacy in a :def function Problem: Vim9: no good error for using :legacy in a :def function. Solution: Give an explicit error where :legacy is not working. (closes #8309)

|f+0&#ffffff0|o@1| |4| @64
|f|o@1| |5| @64
|f|o@1| |6| @64
|f|o@1| |7| @64
|f|o@1| |8| @64
|f+8&&|o@1| |9| @64
|f+0&&|o@1| |1|0| @63
|b|a|r| |1@1| @63
|:|9|,|1|0|s|/|b|a|r> @59