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charset="iso-2022-jp" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: SJ0P220MB0675.NAMP220.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: 5559fdbc-488f-4cbd-64b4-08db0da2315d X-MS-Exchange-CrossTenant-originalarrivaltime: 13 Feb 2023 09:10:46.6499 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0P220MB0363 Received-SPF: pass client-ip=2a01:111:f400:7eaa::81a; envelope-from=mou.tong@outlook.com; helo=NAM11-DM6-obe.outbound.protection.outlook.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, CHARSET_FARAWAY_HEADER=3.2, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: -1.3 (-) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.3 (--) Hi there, I met a css-mode's highlight problem. Create a test.css file: ``` css-ts-mode .test\.123 { color: red; } .test\#123 { color: blue; } .test\@123 { color: green; } .test\<123 { color: brown; } .test\`123 { color: purple; } .test\~123 { color: tomato; } ``` Then import the css file in the test.html file: ``` html-ts-mode
test.123
test#123
test@123
test<123
test`123
test~123
``` We can see all of the div inner text are colored correctly, but when using css-ts-mode, there will be an error face after the escaped character `\.123` and so on; on `css-mode`, these css class names are not highlighted. When I'm checking the [offical doc](https://www.w3.org/TR/CSS21/syndata.html#characters), I saw that > In CSS, identifiers can contain only the characters [a-zA-Z0-9] and > ISO 10646 characters U+00A0 and higher, plus the hyphen (-) and the > underscore (_) I don't know whether the major mode is designed to work like this (since the official said the `.` `#` ... are invalid, perhaps the browser made them work) or is the major mode's bug. Thanks ;) In GNU Emacs 29.0.60 (build 1, x86_64-apple-darwin21.6.0, NS appkit-2113.60 Version 12.6.3 (Build 21G419)) of 2023-02-13 built on dalum.local Repository revision: f49caaa892576e5fa95373c38e6a99904249551c Repository branch: emacs-29 Windowing system distributor 'Apple', version 10.3.2113 System Description: macOS 12.6.3 Configured using: 'configure --with-native-compilation=3Daot' Configured features: ACL DBUS GIF GLIB GMP GNUTLS JPEG JSON LCMS2 LIBXML2 MODULES NATIVE_COMP NOTIFY KQUEUE NS PDUMPER PNG RSVG SQLITE3 THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP XIM ZLIB Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: CSS Minor modes in effect: global-avy-zh-mode: t avy-zh-mode: t global-git-commit-mode: t shell-dirtrack-mode: t subword-mode: t rainbow-delimiters-mode: t editorconfig-mode: t eyebrowse-mode: t diff-hl-flydiff-mode: t global-diff-hl-mode: t diff-hl-mode: t vertico-mode: t corfu-popupinfo-mode: t global-corfu-mode: t corfu-mode: t global-hl-todo-mode: t hl-todo-mode: t yas-global-mode: t yas-minor-mode: t global-evil-zh-mode: t evil-zh-mode: t global-evil-surround-mode: t evil-surround-mode: t evil-mode: t evil-local-mode: t windmove-mode: t treesit-explore-mode: t treesit-inspect-mode: t winum-mode: t marginalia-mode: t auto-compile-on-load-mode: t auto-compile-on-save-mode: t override-global-mode: t pixel-scroll-precision-mode: t display-time-mode: t winner-mode: t electric-pair-mode: t global-auto-revert-mode: t save-place-mode: t global-so-long-mode: t delete-selection-mode: t recentf-mode: t tooltip-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t size-indication-mode: t column-number-mode: t line-number-mode: t transient-mark-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t Load-path shadows: 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scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq simple cl-generic indonesian philippine cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese composite emoji-zwj charscript charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp files window text-properties overlay sha1 md5 base64 format env code-pages mule custom widget keymap hashtable-print-readable backquote threads dbusbind kqueue cocoa ns lcms2 multi-tty make-network-process native-compile emacs) Memory information: ((conses 16 792520 441243) (symbols 48 40733 22) (strings 32 151490 77073) (string-bytes 1 5490587) (vectors 16 94385) (vector-slots 8 2370699 636685) (floats 8 569 1493) (intervals 56 18288 7932) (buffers 984 60)) From unknown Sat Jun 14 19:43:09 2025 X-Loop: help-debbugs@gnu.org Subject: bug#61472: 29.0.60; css{-ts}-mode highlight problem Resent-From: Dmitry Gutov Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 14 Feb 2023 01:27:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 61472 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: =?UTF-8?Q?=E7=89=9F_?= =?UTF-8?Q?=E6=A1=90?= , 61472@debbugs.gnu.org Received: via spool by 61472-submit@debbugs.gnu.org id=B61472.167633797525648 (code B ref 61472); Tue, 14 Feb 2023 01:27:01 +0000 Received: (at 61472) by debbugs.gnu.org; 14 Feb 2023 01:26:15 +0000 Received: from localhost ([127.0.0.1]:52023 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pRk5H-0006fc-5X for submit@debbugs.gnu.org; Mon, 13 Feb 2023 20:26:15 -0500 Received: from mail-ej1-f47.google.com ([209.85.218.47]:45665) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1pRk5E-0006fP-Sa for 61472@debbugs.gnu.org; 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i12-20020a170906250c00b008adc971f5acsm7653640ejb.178.2023.02.13.17.26.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Feb 2023 17:26:06 -0800 (PST) Message-ID: Date: Tue, 14 Feb 2023 03:26:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Content-Language: en-US References: From: Dmitry Gutov In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Score: -0.9 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.9 (-) On 13/02/2023 11:10, 牟 桐 wrote: > When I'm checking the [offical > doc](https://www.w3.org/TR/CSS21/syndata.html#characters), I saw that > >> In CSS, identifiers can contain only the characters [a-zA-Z0-9] and >> ISO 10646 characters U+00A0 and higher, plus the hyphen (-) and the >> underscore (_) > I don't know whether the major mode is designed to work like this (since > the official said the `.` `#` ... are invalid, perhaps the browser made > them work) or is the major mode's bug. > > Thanks 😉 The parser indeed doesn't seem to be able to parse that text. I'm not sure whether it's an unofficial extension, or it's simply not expected to work in CSS files. If it's the former, and the browsers support it, filing an issue at the grammar repo could help: https://github.com/tree-sitter/tree-sitter-css/issues If it's the latter, here's some advice at the end of this answer: https://stackoverflow.com/a/32273294/615245 (to use ~=). 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The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: > The parser indeed doesn't seem to be able to parse that text. I apologize for not responding to your message earlier; I did not receive a notification from my email. Upon checking the website archive, I realized that you had responded to my question. 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> The parser indeed doesn't seem to be able to parse that text.

I apologize for not responding to your messag= e earlier; I did not
receive a notification from my email. Upon ch= ecking the website archive,
I realized that you had responded to my quest= ion.

It is recommended to avoid using behaviors th= at are not defined in
official documents. As I am not familiar with= tree-sitter, I may need
some time to investigate whether the issue is= related to the parser or
not. Thx for your advice ;)
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