GNU bug report logs - #24762
26.0.50; Spurious &optional in lisp/progmodes/python.el causes Edebug error

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From: Gemini Lasswell <gazally <at> runbox.com>
To: 24762 <at> debbugs.gnu.org
Subject: bug#24762: 26.0.50; Spurious &optional in lisp/progmodes/python.el causes Edebug error
Date: Fri, 21 Oct 2016 13:51:24 -0700

There's an &optional followed by &rest instead of a parameter name in
python-define-auxiliary-skeleton in lisp/progmodes/python.el. This
doesn't work with defmacro's Edebug spec and prevents use of Edebug on
the macro and testcover-start on the file.

To repro:
1. start Emacs at the top of its source tree, with -Q if you like
2. C-x C-f lisp/progmodes/python.el RET
3. C-s &optional &r RET
4. C-u C-M-x

Result: Invalid read syntax: "Bad argument:", &rest

In GNU Emacs 26.0.50.4 (x86_64-apple-darwin15.6.0, NS appkit-1404.47 Version 10.11.6 (Build 15G1004))
 of 2016-10-20 built on rainbow.local
Repository revision: 9e1e257ea8605354d15b4bd93e0af6188aae40db
Windowing system distributor 'Apple', version 10.3.1404
Recent messages:
Guessed variable ’indent-tabs-mode’ (nil)
Guessed variable ’tab-width’ (8)
Could not guess variable ’c-basic-offset’ (Not a cc-mode)
Guessed variable ’nxml-child-indent’ (2)
Guessed variable ’css-indent-offset’ (2)
Guessed variable ’python-indent’ (2)
Mark saved where search started
edebug-syntax-error: Invalid read syntax: "Bad argument:", &rest
Configured using:
 'configure --with-ns --disable-ns-self-contained'

Configured features:
JPEG RSVG IMAGEMAGICK NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS
NS

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

Major mode: Emacs-Lisp

Minor modes in effect:
  magit-auto-revert-mode: t
  global-git-commit-mode: t
  async-bytecomp-package-mode: t
  global-undo-tree-mode: t
  undo-tree-mode: t
  diff-auto-refine-mode: t
  ivy-mode: t
  buffer-face-mode: t
  yas-global-mode: t
  yas-minor-mode: t
  pyvenv-mode: t
  shell-dirtrack-mode: t
  nameless-mode: t
  beacon-mode: t
  rainbow-mode: t
  column-enforce-mode: t
  volatile-highlights-mode: t
  region-state-mode: t
  ws-butler-global-mode: t
  ws-butler-mode: t
  show-smartparens-global-mode: t
  show-smartparens-mode: t
  smartparens-global-mode: t
  smartparens-global-strict-mode: t
  smartparens-strict-mode: t
  smartparens-mode: t
  which-key-mode: t
  modalka-mode: t
  recentf-mode: t
  global-auto-revert-mode: t
  auto-revert-mode: t
  winner-mode: t
  display-time-mode: t
  savehist-mode: t
  override-global-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  menu-bar-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
  size-indication-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(org-element org-rmail org-mhe org-irc org-info org-gnus org-docview
doc-view image-mode org-bibtex bibtex org-bbdb org-w3m
the-org-mode-expansions org org-macro org-footnote org-pcomplete
org-list org-faces org-entities noutline outline org-version
ob-emacs-lisp ob ob-tangle ob-ref ob-lob ob-table ob-exp org-src ob-keys
ob-comint ob-core ob-eval org-compat org-macs org-loaddefs cal-menu
calendar cal-loaddefs shr-color linum magit-blame magit-stash
magit-bisect magit-remote magit-commit magit-sequence magit magit-apply
magit-wip magit-log magit-diff smerge-mode magit-core magit-autorevert
magit-process magit-popup magit-mode magit-git magit-section magit-utils
git-commit log-edit pcvs-util with-editor async-bytecomp async server
mailalias goto-chg shadow emacsbug cl-generic-tests testcover flow-fill
jka-compr shr svg dom browse-url qp nndraft nnmh nnfolder utf-7 epa-file
sort smiley gnus-cite mail-extr gnus-async gnus-bcklg gnus-agent
gnus-srvr gnus-score score-mode nnvirtual nntp gnus-ml gnus-msg
disp-table nndoc gnus-cache gnus-dup gnus-art mm-uu mml2015 mm-view
mml-smime smime dig gnus-sum gnus-group gnus-undo gnus-start gnus-cloud
nnimap nnmail mail-source utf7 netrc nnoo parse-time gnus-spec gnus-int
gnus-range gnus-win gnus nnheader mm-archive message rfc822 mml mml-sec
epa derived epg gnus-util rmail rmail-loaddefs mailabbrev gmm-utils
mailheader crm debbugs-gnu add-log zoom-window highlight-symbol
undo-tree diff eieio-opt speedbar sb-image ezimage dframe tabify
shrink-whitespace dash-at-point visual-regexp expand-region
text-mode-expansions python-el-fgallina-expansions er-basic-expansions
expand-region-core expand-region-custom ielm comment-dwim-2 ert
find-func ewoc debug pp edebug vc-git diff-mode colir flx dired
dired-loaddefs counsel esh-util swiper ivy delsel ffap face-remap
guess-style smtpmail sendmail mail-utils yasnippet highlight-indentation
flymake company help-fns radix-tree elpy pyvenv elpy-refactor
smartparens-python python tramp-sh tramp tramp-compat tramp-loaddefs
trampver shell pcomplete format-spec json map grep compile files-x
cus-edit virtualenvwrapper gud comint nameless lisp-mnt ace-window avy
beacon smex ido deft debbugs soap-client mm-decode mm-bodies mm-encode
warnings rng-xsd rng-dt rng-util xsd-regexp xml rainbow-mode ansi-color
color s hydra lv column-enforce-mode etags xref project
volatile-highlights region-state ws-butler smartparens-config
smartparens thingatpt dash which-key modalka quail
smart-mode-line-dark-theme smart-mode-line advice rich-minority
whiteboard-theme classic-theme recentf tree-widget wid-edit autorevert
filenotify winner ring time cus-start cus-load savehist cap-words
superword subword use-package diminish bind-key easy-mmode finder-inf
edmacro kmacro info network-stream starttls url-http tls gnutls
mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr url-gw
nsm subr-x puny url-cache url-auth url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf url-util mailcap cl
package epg-config url-handlers url-parse auth-source cl-seq eieio
eieio-core cl-macs eieio-loaddefs password-cache url-vars seq byte-opt
gv bytecomp byte-compile cl-extra help-mode easymenu cconv cl-loaddefs
pcase cl-lib time-date mule-util tooltip eldoc electric uniquify
ediff-hook vc-hooks lisp-float-type mwheel term/ns-win ns-win
ucs-normalize term/common-win tool-bar dnd fontset image regexp-opt
fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register
page menu-bar rfn-eshadow 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 charscript 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 kqueue cocoa ns multi-tty
make-network-process emacs)

Memory information:
((conses 16 1363213 218822)
 (symbols 48 59558 68)
 (miscs 40 7625 4642)
 (strings 32 204044 88844)
 (string-bytes 1 5746974)
 (vectors 16 96779)
 (vector-slots 8 2219014 137143)
 (floats 8 5415 2600)
 (intervals 56 83795 2701)
 (buffers 976 87))

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Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.