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* bug#52459: 28.0.90; prin1-to-string does not escape bidi control characters despite print-escape-control-characters=t
@ 2021-12-12 20:13 Daniel Mendler
  2021-12-12 20:42 ` Eli Zaretskii
  0 siblings, 1 reply; 28+ messages in thread
From: Daniel Mendler @ 2021-12-12 20:13 UTC (permalink / raw)
  To: 52459

1. Start emacs -Q
2. Enter the following in the scratch buffer:
(let ((print-escape-control-characters t))
  (prin1-to-string bidi-directional-controls-chars))
3. Evaluate. The bidi control characters are not escaped despite
print-escape-control-characters=t.

The bidi characters should probably be treated as control characters
since they have the Bidi_Control property according to the Unicode
standard.

If it is undesirable to treat bidi control characters like other control
characters it may make sense to introduce another print configuration
variable, print-escape-all-control-characters or
print-escape-bidi-control-characters?

In GNU Emacs 28.0.90 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.5,
cairo version 1.16.0)
 of 2021-12-05 built on projects
Repository revision: 34f56561372d83b71dcaff1cdf5d9264ba38fa0e
Repository branch: emacs-28
Windowing system distributor 'The X.Org Foundation', version 11.0.12004000
System Description: Debian GNU/Linux 10 (buster)

Configured using:
 'configure --prefix=/home/user/emacs/install --with-cairo'

Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GSETTINGS HARFBUZZ JPEG
LIBSELINUX LIBXML2 MODULES NOTIFY INOTIFY PDUMPER PNG SECCOMP SOUND
THREADS TIFF TOOLKIT_SCROLL_BARS X11 XDBE XIM XPM GTK3 ZLIB

Important settings:
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  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
  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:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
rfc822 mml mml-sec epa derived epg rfc6068 epg-config gnus-util rmail
rmail-loaddefs auth-source cl-seq eieio eieio-core cl-macs
eieio-loaddefs password-cache json map text-property-search time-date
subr-x seq byte-opt gv bytecomp byte-compile cconv mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils thingatpt
help-fns radix-tree help-mode cl-loaddefs cl-lib two-column 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
move-toolbar gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 57250 10751)
 (symbols 48 6852 1)
 (strings 32 21147 1607)
 (string-bytes 1 651816)
 (vectors 16 13342)
 (vector-slots 8 183349 13347)
 (floats 8 22 48)
 (intervals 56 260 1)
 (buffers 992 13))





^ permalink raw reply	[flat|nested] 28+ messages in thread

end of thread, other threads:[~2021-12-14 19:41 UTC | newest]

Thread overview: 28+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-12-12 20:13 bug#52459: 28.0.90; prin1-to-string does not escape bidi control characters despite print-escape-control-characters=t Daniel Mendler
2021-12-12 20:42 ` Eli Zaretskii
2021-12-12 21:11   ` Daniel Mendler
2021-12-12 21:33     ` Daniel Mendler
2021-12-13 12:22       ` Eli Zaretskii
2021-12-13 13:19         ` Daniel Mendler
2021-12-13 13:30           ` Daniel Mendler
2021-12-13 15:24             ` Eli Zaretskii
2021-12-13 16:32               ` Daniel Mendler
2021-12-13 17:07                 ` Eli Zaretskii
2021-12-13 18:13                   ` Daniel Mendler
2021-12-13 18:28                     ` Eli Zaretskii
2021-12-13 18:35                       ` Daniel Mendler
2021-12-13 18:52                         ` Eli Zaretskii
2021-12-13 18:57                           ` Daniel Mendler
2021-12-13 19:08                             ` Eli Zaretskii
2021-12-13 19:16                               ` Daniel Mendler
2021-12-13 19:38                                 ` Eli Zaretskii
2021-12-14 18:23                                   ` Dmitry Gutov
2021-12-14 18:32                                     ` Daniel Mendler
2021-12-14 18:40                                       ` Dmitry Gutov
2021-12-14 18:47                                       ` Eli Zaretskii
2021-12-14 18:51                                         ` Daniel Mendler
2021-12-14 19:41                                           ` Dmitry Gutov
2021-12-14 19:22                                       ` Andreas Schwab
2021-12-14 18:39                                     ` Eli Zaretskii
2021-12-14 18:56                                       ` Dmitry Gutov
2021-12-14 19:20                                         ` Eli Zaretskii

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