LSP is a big thing that makes editors and languages work well together, in a portable way.

What better way to make LISP cool than to add LSP?

For the next release the focus will be upon implementing a yal-LSP server:

• We should provide completion for "things".
  • All the builtin golang-implemented primitives.
  • Any/wall functions defined in the standard library.
  • (Optionally: Anything in the users' source.)
• We should provide help-on-hover
  • Again for "everything", built-in functions, the standard library, and optionally the users's own code.

Ideally we'll allow yal -lsp to launch the server, but there are probably additional options required - for network-socket vs. unix-socket, etc.

We must ship sample configuration for emacs, and at least one more editor.