Re: rust-ts-mode: appropriately fontify doc strings

[Christophe TROESTLER <Christophe.TROESTLER@umons.ac.be>]

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On  2 December 2023 at 18:04 +01, Dmitry Gutov <dmitry@gutov.dev> wrote:
> […] And I suppose for completeness, we should also support the "block"
> versions of the outer/inner docs? […]

Sure.  Here is an updated patch (against emacs-29).


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From ee3e6776ade9be3f396742feac688bbdf8c8c64f Mon Sep 17 00:00:00 2001
From: Christophe Troestler <Christophe.Troestler@umons.ac.be>
Date: Sat, 2 Dec 2023 21:51:15 +0100
Subject: [PATCH] rust-ts-mode--comment-docstring: handle block doc comments
Content-Type: text/plain; charset="utf-8"

---
 lisp/progmodes/rust-ts-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/rust-ts-mode.el b/lisp/progmodes/rust-ts-mode.el
index 18951a10c55..8127aa956f4 100644
--- a/lisp/progmodes/rust-ts-mode.el
+++ b/lisp/progmodes/rust-ts-mode.el
@@ -292,7 +292,7 @@ rust-ts-mode--comment-docstring
   (let* ((beg (treesit-node-start node))
          (face (save-excursion
                  (goto-char beg)
-                 (if (looking-at "//\\(?:/\\|!\\)")
+                 (if (looking-at "/\\(?:/\\(?:/[^/]\\|!\\)\\|*\\(?:*[^*/]\\|!\\)\\)" t)
                      'font-lock-doc-face
                    'font-lock-comment-face))))
     (treesit-fontify-with-override beg (treesit-node-end node)
-- 
2.42.0