bug#54406: 28.0.91; rcirc text wrapping

[Ken Raeburn]

I’ve got automatic filling of text disabled in rcirc; I use 
variable-pitch-mode for more pleasant readability, and 
visual-line-mode and wrap-prefix to get line breaks based on the 
window width.  Or, at least, I did in previous releases. 

       (custom-set-variables 
        ;; custom-set-variables was added by Custom.  ;; If you 
        edit it by hand, you could mess it up, so be careful.  ;; 
        Your init file should contain only one such instance.  ;; 
        If there is more than one, they won't work right. 
        …STUFF…  '(rcirc-authinfo '(…STUFF…))  '(rcirc-fill-flag 
        nil) '(rcirc-keywords '(…STUFF…))  '(rcirc-log-flag t) 
        '(rcirc-reconnect-delay 0) '(rcirc-server-alist 
          '((…WORK STUFF…) 
            ("irc.gnome.org" :nick "raeburn" :port 6697 :channels 
             ("#gnucash") :encryption tls) 
            ("irc.libera.chat" :nick "raeburn" :port 6697 
            :channels 
             ("#rcirc" "#vdo" "#fedora" "#rhel" "#fedora-x86" 
             "#fedora-ppc" "#fedora-arm" "#fedora-s390x" 
             "#fedora-laptops" "#emacs" "#ansible" "#gnus" 
             "#org-mode") :encryption tls))) 
        '(rcirc-time-format "%FT%T ") '(rcirc-track-minor-mode t) 
        …STUFF… 


       (defun kr-rcirc-markup-text-function (sender response) 
         (put-text-property (point) (point-max) 'wrap-prefix " 
         ")) 
       (add-to-list 'rcirc-markup-text-functions 
       'kr-rcirc-markup-text-function t) 

       (require 'smart-quotes) (defun kr-rcirc-mode-hook () 
         (variable-pitch-mode 1) (visual-line-mode 1) 
         (smart-quotes-mode 1)) 
       (add-hook 'rcirc-mode-hook 'kr-rcirc-mode-hook) 

Now, in Emacs 28.0.91, I still get the variable pitch, and 
visual-line mode applies while I’m entering input, but it appears 
that all messages displayed get wrapped at 70 columns 
(fill-column) even though I’ve got rcirc-fill-flag set to nil. 
This includes not just user messages but also control messages 
like JOIN, QUIT, NAMES, and so on.  I’ve enabled debugging and 
looked at the “*rcirc debug*” buffer and confirmed that the 
strings there do not have the line breaks, including in the 
messages I send, even though they have line breaks when displayed 
back to me after sending. 

       2022-03-15T15:59:42 *** sbluhm QUIT Ping timeout: 181 
       seconds
       2022-03-15T16:06:09 *** NAMES @+chris @fell @gncbot @jralls +aj +bertbob 
+CDB-Man_ +chrko
            +eb +flips +g5pw +knielsen +kyew +mapreri +mauritslamers +miklcct
            +NoobAlice +oztunan +phebus +potatosal +raeburn +reactormonk[m]
            …

Presumably I can work around this by also setting fill-column locally to
some insanely high value, but I shouldn’t need to since rcirc-fill-flag
is documented as turning that functionality off.  (I just checked, it’s
nil in both channel and server buffers.)

Ken




In GNU Emacs 28.0.91 (build 1, x86_64-redhat-linux-gnu, X toolkit, cairo 
version 1.17.4, Xaw3d scroll bars)
of 2022-01-11 built on 7efb8fbccc97436880211dbad44871a1
Windowing system distributor 'The X.Org Foundation', version 11.0.12101004
System Description: Fedora Linux 35 (Workstation Edition)

Configured using:
'configure --build=x86_64-redhat-linux-gnu
--host=x86_64-redhat-linux-gnu --program-prefix=
--disable-dependency-tracking --prefix=/usr --exec-prefix=/usr
--bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
--datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib64
--libexecdir=/usr/libexec --localstatedir=/var
--sharedstatedir=/var/lib --mandir=/usr/share/man
--infodir=/usr/share/info --with-dbus --with-gif --with-jpeg --with-png
--with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolkit=lucid
--with-gpm=no --with-modules --with-harfbuzz --with-cairo --with-json
--with-native-compilation build_alias=x86_64-redhat-linux-gnu
host_alias=x86_64-redhat-linux-gnu CC=gcc 'CFLAGS=-DMAIL_USE_LOCKF -O2
-flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches
-pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
-Wp,-D_GLIBCXX_ASSERTIONS
-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
LDFLAGS=-Wl,-z,relro
PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NATIVE_COMP NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SOUND THREADS TIFF TOOLKIT_SCROLL_BARS
X11 XAW3D XDBE XIM XPM LUCID ZLIB

Important settings:
 value of $LANG: en_US.UTF-8
 value of $XMODIFIERS: @im=ibus
 locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
 rcirc-track-minor-mode: t
 display-time-mode: t
 desktop-save-mode: t
 global-edit-server-edit-mode: t
 which-function-mode: t
 icomplete-mode: t
 shell-dirtrack-mode: t
 global-hi-lock-mode: t
 hi-lock-mode: t
 tooltip-mode: t
 global-eldoc-mode: t
 eldoc-mode: t
 show-paren-mode: t
 electric-indent-mode: t
 mouse-wheel-mode: t
 tab-bar-mode: t
 file-name-shadow-mode: t
 global-font-lock-mode: t
 font-lock-mode: t
 blink-cursor-mode: t
 auto-composition-mode: t
 auto-encryption-mode: t
 auto-compression-mode: t
 line-number-mode: t
 indent-tabs-mode: t
 transient-mark-mode: t

Load-path shadows:
/home/raeburn/.emacs.d/elpa/systemtap-mode-20151122.1940/systemtap-mode hides 
/usr/share/emacs/site-lisp/systemtap-mode
/home/raeburn/.emacs.d/elpa/p4-20150721.1937/p4 hides 
/usr/share/emacs/site-lisp/perforce/p4
/home/raeburn/.emacs.d/elpa/transient-20211101.2251/transient hides 
/usr/share/emacs/28.0.91/lisp/transient

Features:
(ind-util quail gnus-cite gnus-async gnus-bcklg gnus-ml with-editor
loadhist shortdoc help-fns radix-tree term/xterm xterm gnus-topic
nndraft nnmh nnfolder utf-7 gnus-agent gnus-srvr gnus-score score-mode
nnvirtual gnus-msg nntp gnus-cache make-mode align qp shadow emacsbug
tramp-cmds cl-print ielm mailalias smtpmail sendmail mail-extr cal-move
sort url-cache url-http url-gw url-auth cperl-mode grep vc-hg vc-bzr
ispell cus-edit pp cus-start misearch multi-isearch gnutls
network-stream nsm add-log reveal perl-mode face-remap dired-aux python
tramp-sh yaml-mode mule-util dockerfile-mode mhtml-mode css-mode color
js sgml-mode facemenu ruby-mode sh-script smie executable texinfo
texinfo-loaddefs bug-reference rst compile org-element avl-tree
generator ol-eww eww xdg url-queue thingatpt mm-url ol-rmail ol-mhe
ol-irc ol-info ol-gnus nnselect gnus-search eieio-opt speedbar ezimage
dframe ol-docview doc-view image-mode exif ol-bibtex ol-bbdb ol-w3m
ol-doi org-link-doi vc-git diff-mode vc-dispatcher cc-mode cc-fonts
cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs
view jka-compr ob-shell comp comp-cstr warnings cl-extra help-mode rcirc
gnus-art mm-uu mml2015 mm-view mml-smime smime dig gnus-sum shr kinsoku
svg dom gnus-group gnus-undo gnus-start gnus-dbus dbus xml gnus-cloud
nnimap nnmail mail-source utf7 netrc nnoo gnus-spec gnus-int gnus-range
message rmc puny dired dired-loaddefs 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 text-property-search
mail-utils mm-util mail-prsvr wid-edit time desktop frameset cus-load
kr-init docker-tramp tramp-cache vagrant-tramp dash tramp tramp-loaddefs
trampver tramp-integration files-x tramp-compat parse-time ls-lisp
org-protocol org ob ob-tangle ob-ref ob-lob ob-table ob-exp org-macro
org-footnote org-src ob-comint org-pcomplete org-list org-faces
org-entities noutline outline org-version ob-emacs-lisp ob-core ob-eval
org-table oc-basic bibtex iso8601 time-date ol org-keys oc org-compat
org-macs org-loaddefs format-spec find-func cal-menu calendar
cal-loaddefs edit-server advice smart-quotes easy-mmode which-func imenu
icomplete server term disp-table shell pcomplete ehelp comint ansi-color
ring hi-lock finder-inf rx 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 subr-x map
url-vars seq byte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib
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 hashtable-print-readable backquote threads dbusbind
inotify dynamic-setting system-font-setting font-render-setting cairo
x-toolkit x multi-tty make-network-process native-compile emacs)

Memory information:
((conses 16 13715676 653146)
(symbols 48 49891 51)
(strings 32 457765 52495)
(string-bytes 1 12986322)
(vectors 16 100405)
(vector-slots 8 2906528 621136)
(floats 8 580 768)
(intervals 56 1053258 9997)
(buffers 992 243))