patch 8.2.4682: Vim9: can use :unlockvar for const variable Commit: https://github.com/vim/vim/commit/7a411a306f90339d8686e42ac16e1ae4fc7533c5 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 4 14:58:06 2022 +0100 patch 8.2.4682: Vim9: can use :unlockvar for const variable Problem: Vim9: can use :unlockvar for const variable. (Ernie Rael) Solution: Check whether the variable is a const.

" Vim filetype plugin
" Language:      ART-IM and ART*Enterprise
" Maintainer:    Dorai Sitaram <ds26@gte.com>
" URL:		 http://www.ccs.neu.edu/~dorai/vimplugins/vimplugins.html
" Last Change:   Apr 2, 2003

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif

run ftplugin/lisp.vim

setl lw-=if
setl lw+=def-art-fun,deffacts,defglobal,defrule,defschema,for,schema,while