util.xtemplate: Adopt {-path-} syntax to strip preceding and/or trailing whitespace
Seen in some other template languages
For full information on our dependencies, version requirements, and
where to find them, see https://prosody.im/doc/depends
If you have luarocks available on your platform, install the following:
- luaexpat
- luasocket
- luafilesystem
- luasec