Fontify doc comment in c-ts-mode with doc-face

* lisp/progmodes/c-ts-mode.el (c-ts-mode--font-lock-settings): Add
rule for /** comments.

1 files changed, 3 insertions, 2 deletions

diff --git a/lisp/progmodes/c-ts-mode.el b/lisp/progmodes/c-ts-mode.el
index a1b2b1f500c..2d431d75d21 100644
--- a/lisp/progmodes/c-ts-mode.el
+++ b/lisp/progmodes/c-ts-mode.el
@@ -597,8 +597,9 @@ MODE is either `c' or `cpp'."
   (treesit-font-lock-rules
    :language mode
    :feature 'comment
-   `((comment) @font-lock-comment-face
-     (comment) @contextual)
+   `(((comment) @font-lock-doc-face
+      (:match ,(rx bos "/**") @font-lock-doc-face))
+     (comment) @font-lock-comment-face)
 
    :language mode
    :feature 'preprocessor