GNU bug report logs - #37653
26.3; edbug backquoted dot is space sensitive

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Package: emacs; Reported by: Devon Sean McCullough <Emacs-Hacker2018@HIDDEN>; dated Tue, 8 Oct 2019 01:42:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Devon Sean McCullough <Emacs-Hacker2018@HIDDEN>
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Subject: 26.3; edbug backquoted dot is space sensitive
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Date: Tue, 8 Oct 2019 09:40:59 +0800
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$ src/emacs --batch -Q --eval '(progn (message emacs-version) (insert =
"(defun x () `(t .,t))") (eval-defun t))'
Invalid read syntax: "."

$ src/emacs --batch -Q --eval '(progn (message emacs-version) (insert =
"(defun x () `(t .,t))") (eval-defun nil))'

Both cases should parse correctly.


P.S. Two workarounds:

$ src/emacs --batch -Q --eval '(progn (message emacs-version) (insert =
"(defun x () `(t.,t))") (eval-defun t))'
Edebug: x

$ src/emacs --batch -Q --eval '(progn (message emacs-version) (insert =
"(defun x () `(t . ,t))") (eval-defun t))'
Edebug: x

In GNU Emacs 26.3 (build 1, x86_64-apple-darwin15.6.0, NS appkit-1404.47 =
Version 10.11.6 (Build 15G22010))
 of 2019-08-29 built on Devons-MacBook-Air.local
Windowing system distributor 'Apple', version 10.3.1404
Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

Configured using:
 'configure --with-gnutls=3Dno'

Configured features:

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

Major mode: Fundamental

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-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
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

(shadow sort mail-extr emacsbug message rmc puny seq byte-opt gv
bytecomp byte-compile cconv cl-loaddefs cl-lib dired dired-loaddefs
format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg
epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode
mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047
rfc2045 ietf-drums mm-util mail-prsvr mail-utils elec-pair time-date
tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel term/ns-win ns-win ucs-normalize mule-util term/common-win
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow isearch timer select scroll-bar mouse jit-lock
font-lock syntax facemenu font-core term/tty-colors frame 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 charscript charprop
case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer
cl-preloaded nadvice loaddefs button faces cus-face macroexp files
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget hashtable-print-readable backquote threads kqueue cocoa ns
multi-tty make-network-process emacs)

Memory information:
((conses 16 204494 8932)
 (symbols 48 20201 2)
 (miscs 40 70 175)
 (strings 32 28953 1582)
 (string-bytes 1 772687)
 (vectors 16 35017)
 (vector-slots 8 727034 10188)
 (floats 8 48 68)
 (intervals 56 196 0)
 (buffers 992 12))

Acknowledgement sent to Devon Sean McCullough <Emacs-Hacker2018@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to bug-gnu-emacs@HIDDEN:
bug#37653; Package emacs. Full text available.
Please note: This is a static page, with minimal formatting, updated once a day.
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Last modified: Mon, 25 Nov 2019 12:00:02 UTC

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Copyright (C) 1999 Darren O. Benham, 1997 nCipher Corporation Ltd, 1994-97 Ian Jackson.