From 5d00eac56495ce6786f374785cab034ff82962fc Mon Sep 17 00:00:00 2001
From: =?utf8?q?Felici=C3=A1n=20N=C3=A9meth?= <felician.nemeth@gmail.com>
Date: Sat, 11 Jan 2020 19:08:59 +0100
Subject: [PATCH] Declare markdown support iff gfm-view-mode installed

* eglot.el (eglot-client-capabilities): Support markdown only when
gfm-view-mode is installed.

GitHub-reference: close https://github.com/joaotavora/eglot/issues/408
---
 lisp/progmodes/eglot.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/progmodes/eglot.el b/lisp/progmodes/eglot.el
index bdc4cd0aaab..596a82d6a80 100644
--- a/lisp/progmodes/eglot.el
+++ b/lisp/progmodes/eglot.el
@@ -527,7 +527,10 @@ treated as in `eglot-dbind'."
                                          :json-false))
                                     :contextSupport t)
              :hover              (list :dynamicRegistration :json-false
-                                       :contentFormat ["markdown" "plaintext"])
+                                       :contentFormat
+                                       (if (fboundp 'gfm-view-mode)
+                                           ["markdown" "plaintext"]
+                                         ["plaintext"]))
              :signatureHelp      (list :dynamicRegistration :json-false
                                        :signatureInformation
                                        `(:parameterInformation
-- 
2.39.2