From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Arash Esbati Newsgroups: gmane.emacs.bugs Subject: bug#53390: 29.0.50; [PATCH] Don't look for invalid whitespaces Date: Thu, 20 Jan 2022 14:28:16 +0100 Message-ID: <86a6fqwn7z.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4329"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 To: 53390@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jan 20 20:51:18 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nAdSl-0000wf-Ng for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 20 Jan 2022 20:51:15 +0100 Original-Received: from localhost ([::1]:34118 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nAdSk-00061G-O7 for geb-bug-gnu-emacs@m.gmane-mx.org; 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a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:Subject:To:From:in-reply-to: references; bh=B742BVH5s5PyNCR17KZ/zMHcm88dLEaDkRAPJ52tU2Y=; b=Cd7PmWlYayioLR +mFTJEo2aHNvGp/KHRIrE2Der82tJxrnjapr+M2F5vFxcOY48EungW63peSNJPxdJUm+BW8Hrkqba O0UtfExv8YIAVcTwaF9Qnd/qgkbRFevzlQ7NktZ975VNZU4NVhhOtEZHrDTGDOlvRc3XxPRN9MK/C SD4UanPw8KalQF4qjSecE3a0S5/2QchNx5k+OOs/B++Cjm7XS2bjyD9LYIEDAJPb+CTPvv6jAwIKM 7e7z6nY5Orx2bcGNX2LKWLJnnoW4Jgad1mj/E3vuk+H529JPueFEjvNnLU2YkFUCHl/0wvijN3fiT cYeC495VnnJ3UxmxgltQ==; Original-Received: from p4fe3e9f7.dip0.t-ipconnect.de ([79.227.233.247]:51787 helo=MUTANT) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nAXUO-0000Pz-RS for bug-gnu-emacs@gnu.org; Thu, 20 Jan 2022 08:28:34 -0500 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:224689 Archived-At: Hi all, I'd like to suggest a minor change to `ispell-tex-skip-alists' which looks for valid code and doesn't fix an apparent bug: --8<---------------cut here---------------start------------->8--- diff --git a/lisp/textmodes/ispell.el b/lisp/textmodes/ispell.el index ae3b18ed17..6382b402c0 100644 --- a/lisp/textmodes/ispell.el +++ b/lisp/textmodes/ispell.el @@ -1673,14 +1673,13 @@ ispell-tex-skip-alists ("\\\\bibliographystyle" ispell-tex-arg-end) ("\\\\makebox" ispell-tex-arg-end 0) ("\\\\e?psfig" ispell-tex-arg-end) - ("\\\\document\\(class\\|style\\)" . - "\\\\begin[ \t\n]*{[ \t\n]*document[ \t\n]*}")) + ("\\\\document\\(class\\|style\\)" . "\\\\begin[ \t\n]*{document}")) (;; delimited with \begin. In ispell: displaymath, eqnarray, eqnarray*, ;; equation, minipage, picture, tabular, tabular* (ispell) ("\\(figure\\|table\\)\\*?" ispell-tex-arg-end 0) ("list" ispell-tex-arg-end 2) - ("program" . "\\\\end[ \t\n]*{[ \t\n]*program[ \t\n]*}") - ("verbatim\\*?" . "\\\\end[ \t\n]*{[ \t\n]*verbatim\\*?[ \t\n]*}")))) + ("program" . "\\\\end[ \t]*{program}") + ("verbatim\\*?" . "\\\\end[ \t]*{verbatim\\*?}")))) "Lists of regions to be skipped in TeX mode. First list is used raw. Second list has key placed inside \\begin{}. --8<---------------cut here---------------end--------------->8--- Currently, the regexps would accept the following cases: 1. \documentclass{article} \begin{ document} foo \end{document} Running LaTeX on the file gives: ! LaTeX Error: Environment document undefined. See the LaTeX manual or LaTeX Companion for explanation. Type H for immediate help. ... l.3 \begin{ document} Note that space is significant in environment names. 2. \documentclass{article} \usepackage{program} \begin{document} \begin{program} foo bar \end{ program} \end{document} Running LaTeX on the file above says: ! LaTeX Error: \begin{program} on input line 4 ended by \end{ program}. 3. \documentclass{article} \begin{document} \begin{verbatim} foo \end {verbatim} \end{document} Running LaTeX on the file above says: Runaway argument? ^^Mfoo^^M\end {verbatim}^^M^^M\end{document}^^M^^M^^M^^M^^M^^M^^M^^M^^M\ETC. ! File ended while scanning use of \@xverbatim. \par This one is delicate since vanilla LaTeX looks exactly for 14 characters \end{verbatim} and packages like verbatim.sty lift this limitation and allow a whitespace (and not a linebreak) between \end and {verbatim}. Please let me know if I should install this change. Best, Arash