From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: OGAWA Hirofumi Newsgroups: gmane.emacs.bugs Subject: bug#52271: 29.0.50; Infinite loop in `pixel-fill--fill-line' Date: Sat, 04 Dec 2021 16:26:37 +0900 Message-ID: <87a6hgrfte.fsf@mail.parknet.co.jp> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="11418"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) To: 52271@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Dec 04 08:31:24 2021 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 1mtPVz-0002ou-S4 for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 04 Dec 2021 08:31:23 +0100 Original-Received: from localhost ([::1]:49712 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mtPVy-0004rJ-Ln for geb-bug-gnu-emacs@m.gmane-mx.org; 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Sat, 4 Dec 2021 16:26:40 +0900 (JST) Original-Received: from devron.myhome.or.jp (foobar@devron.myhome.or.jp [192.168.0.3]) by ibmpc.myhome.or.jp (8.16.1/8.16.1/Debian-2) with ESMTPS id 1B47QcRm115646 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for ; Sat, 4 Dec 2021 16:26:39 +0900 Original-Received: from devron.myhome.or.jp (foobar@localhost [127.0.0.1]) by devron.myhome.or.jp (8.16.1/8.16.1/Debian-2) with ESMTPS id 1B47QbBB561040 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT) for ; Sat, 4 Dec 2021 16:26:37 +0900 Original-Received: (from hirofumi@localhost) by devron.myhome.or.jp (8.16.1/8.16.1/Submit) id 1B47Qbrp561039; Sat, 4 Dec 2021 16:26:37 +0900 Received-SPF: pass client-ip=210.171.160.6; envelope-from=hirofumi@parknet.co.jp; helo=mail.parknet.co.jp X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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:221443 Archived-At: (with-temp-buffer (require 'gnus-art) (set-fontset-font nil 'ascii "-*-DejaVu Sans Mono-*-12-*-*") (set-frame-width nil 80) (insert (propertize "Reply-To: \"no-reply\" " 'face 'gnus-header)) (goto-char (point-min)) (pixel-fill-region (point) (point-max) (pixel-fill-width))) Above simplified reproduce code never be returned from `pixel-fill--fill-line'. The following is an annotated code by some debug while reproducing. (while (not (eolp)) ; (eolp) => nil, (not ...) => t ;; We have to do some folding. First find the first previous ;; point suitable for folding. (if (or (not (pixel-fill-find-fill-point (line-beginning-position))) ; (pixel-fill-find-fill-point ...) => nil (= (point) start)) ;; We had unbreakable text (for this width), so just go to ;; the first space and carry on. (progn (beginning-of-line) (skip-chars-forward " ") (search-forward " " (line-end-position) 'move))) ;; Success; continue. (when (= (preceding-char) ?\s) ; (preceding-char) => 62, (= ...) => nil (delete-char -1)) (unless (eobp) ; (eobp) => t (insert ?\n) (when (> indentation 0) (insert (propertize " " 'display (list 'space :align-to (list indentation)))))) (setq start (point)) ; (point) => 96 (pixel-fill--goto-pixel width)))) ; width => 545, (point) => 95 Thanks. In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.30, cairo version 1.16.0) of 2021-12-04 built on devron Repository revision: be1359884f68a3c8f8041be5579e6c5268d42d9a Repository branch: master Windowing system distributor 'The X.Org Foundation', version 11.0.12011000 System Description: Debian GNU/Linux bookworm/sid Configured using: 'configure --with-x-toolkit=gtk3 --without-xim --with-imagemagick --with-wide-int --with-native-compilation --with-xinput2' Configured features: ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ IMAGEMAGICK JPEG JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB Important settings: value of $LANG: ja_JP.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Group Minor modes in effect: gnus-topic-mode: t gnus-undo-mode: t flycheck-pos-tip-mode: t global-flycheck-mode: t global-company-mode: t company-mode: t auto-insert-mode: t yas-global-mode: t yas-minor-mode: t electric-pair-mode: t savehist-mode: t icomplete-mode: t tooltip-mode: t global-eldoc-mode: t show-paren-mode: t electric-indent-mode: t mouse-wheel-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t buffer-read-only: t column-number-mode: t line-number-mode: t indent-tabs-mode: t transient-mark-mode: t Load-path shadows: /usr/local/share/emacs/site-lisp/git-modes/git-modes-autoloads hides /usr/local/share/emacs/site-lisp/elpa/git-modes-20211020.2306/git-modes-autoloads Features: (shadow bbdb-message mailalias emacsbug sendmail mule-util sort gnus-cite shr-color color mm-archive mail-extr gnus-async gnus-bcklg bbdb-gnus-aux qp gnus-ml disp-table hl-line elfeed-show elfeed-search bookmark elfeed-csv elfeed elfeed-curl elfeed-log elfeed-db elfeed-lib thingatpt avl-tree url-queue xml-query gnus-topic pp url-http url-gw url-cache utf-7 epa-file gnutls network-stream nsm nnfolder bbdb-gnus nnnil bbdb-mua spam spam-stat bbdb-com crm bbdb bbdb-site timezone gnus-uu yenc gnus-demon gnus-delay gnus-draft gnus-agent gnus-srvr gnus-score score-mode nnvirtual nntp gnus-cache gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime smime dig gnus-sum shr pixel-fill kinsoku svg dom nndraft nnmh gnus-xoauth2 oauth2-ext plstore gnus-group gnus-undo gnus-start gnus-dbus dbus xml gnus-cloud nnimap nnmail mail-source utf7 netrc nnoo parse-time iso8601 gnus-spec gnus-int gnus-range message yank-media rmc puny rfc822 mml mml-sec epa derived epg rfc6068 epg-config mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader gnus-win gnus nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045 ietf-drums time-date mail-utils mm-util mail-prsvr wid-edit dired-aux dircolors-faces dired-x dired dired-loaddefs company-yasnippet flyspell ispell server bbdb-loaddefs auth-source-pass rfc-autoloads url-auth debian-autoloads langtool-autoloads generic-x git-modes-autoloads flycheck-relint relint compile text-property-search comint xr flycheck-pos-tip pos-tip flycheck ansi-color find-func rx dash company-cscope company-oddmuse company-keywords company-etags etags fileloop generator xref project ring company-gtags company-dabbrev-code company-dabbrev company-files company-clang company-capf company-cmake company-semantic company-template company-bbdb company pcase autoinsert cl-extra yasnippet help-mode elec-pair savehist browse-kill-ring delsel tab-bar-session desktop frameset icomplete mozc-popup popup mozc-im-indicater mozc-im advice mozc info package browse-url url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util mailcap url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache json map url-vars seq gv subr-x byte-opt bytecomp byte-compile cconv cl-loaddefs cl-lib japan-util iso-transl tooltip eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors frame minibuffer cl-generic 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 simple abbrev obarray cl-preloaded nadvice button 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 inotify lcms2 dynamic-setting system-font-setting font-render-setting cairo move-toolbar gtk x-toolkit xinput2 x multi-tty make-network-process native-compile emacs) Memory information: ((conses 16 396829 121763) (symbols 48 24976 7) (strings 32 200050 13106) (string-bytes 1 7537649) (vectors 16 91875) (vector-slots 8 1734585 70232) (floats 8 9633 409) (intervals 56 1788 826) (buffers 992 27)) -- OGAWA Hirofumi