Third-party plugins such as vimwiki-sync and vim-zettel call
vimwiki#vars#get_wikilocal() — a function only provided by the original
vimwiki plugin. Without it, the after/ftplugin loaded by vimwiki-sync
errors on every wiki buffer open:
E117: Unknown function: vimwiki#vars#get_wikilocal
E121: Undefined variable: g:zettel_dir
Add autoload/vimwiki/vars.vim with lightweight stubs for the two keys
vimwiki-sync uses ('path', 'is_temporary_wiki'), reading values from
nuwiki's own g:nuwiki_wiki_root / g:nuwiki_file_extension config so
users don't have to duplicate settings. get_global() is stubbed as a
no-op for completeness.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
