patch 8.2.2567: Vim9: no error if variable is defined for existing function Commit: https://github.com/vim/vim/commit/6c3843ca8ab105bfb85f6ea8bcec2cbc03f46e7f Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 4 12:38:21 2021 +0100 patch 8.2.2567: Vim9: no error if variable is defined for existing function Problem: Vim9: no error if variable is defined for existing function. Solution: Check if name isn't already in use. (closes https://github.com/vim/vim/issues/7897)

INIT
WANTSTATE f
RESET

!Unrecognised control 
PUSH "\x03"
  control 03

!Unrecognised CSI
PUSH "\e[?15;2z"
  csi 0x7a L=3f 15,2

!Unrecognised OSC
PUSH "\e]27;Something\e\\"
  osc [27 "Something"]

!Unrecognised DCS
PUSH "\ePz123\e\\"
  dcs ["z123"]