From: João Távora <joaotavora@gmail.com>
Date: Tue, 1 Sep 2020 18:10:55 +0000 (+0100)
Subject: Don't send json null (elisp nil) down the wire
X-Git-Tag: emacs-29.0.90~1616^2~524^2~4^2~200
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=7d506b0cd5a9afe68b66d6553520074d9c06c8ea;p=emacs.git

Don't send json null (elisp nil) down the wire

* eglot.el (eglot-initialization-options)
(eglot-client-capabilities): Use eglot--{}, not nil.

GitHub-reference: per https://github.com/joaotavora/eglot/issues/300
---

diff --git a/lisp/progmodes/eglot.el b/lisp/progmodes/eglot.el
index c752322b58a..60bc56e8aa6 100644
--- a/lisp/progmodes/eglot.el
+++ b/lisp/progmodes/eglot.el
@@ -508,7 +508,7 @@ treated as in `eglot-dbind'."
 
 (cl-defgeneric eglot-initialization-options (server)
   "JSON object to send under `initializationOptions'"
-  (:method (_s) nil)) ; blank default
+  (:method (_s) eglot--{})) ; blank default
 
 (cl-defgeneric eglot-register-capability (server method id &rest params)
   "Ask SERVER to register capability METHOD marked with ID."
@@ -581,7 +581,7 @@ treated as in `eglot-dbind'."
              :rangeFormatting    `(:dynamicRegistration :json-false)
              :rename             `(:dynamicRegistration :json-false)
              :publishDiagnostics `(:relatedInformation :json-false))
-            :experimental (list))))
+            :experimental eglot--{})))
 
 (defclass eglot-lsp-server (jsonrpc-process-connection)
   ((project-nickname