Package: emacs;
Reported by: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk>
Date: Mon, 25 Apr 2011 13:25:02 UTC
Severity: minor
Tags: fixed
Found in version 23.3
Done: npostavs <at> users.sourceforge.net
Bug is archived. No further changes may be made.
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From: Uday S Reddy <u.s.reddy <at> cs.bham.ac.uk> To: 8549 <at> debbugs.gnu.org Cc: U.S.Reddy <at> cs.bham.ac.uk Subject: bug#8549: 23.3; Undocumented setting of eval-expression-debug-on-error Date: Mon, 25 Apr 2011 14:23:53 +0100
There is a tricky variable called `eval-expression-debug-on-error' which I didn't notice till recently. It is getting set automatically in lisp-interaction-mode and in the Lisp debugger. The manual doesn't say anywhere that this is being done. I would prefer that it doesn't get set automatically, given that it has a tricky behavior. In the light of my previous bug report #8548 that the debugger can't exit recursive editing levels, making any kind of typing mistake while working with the debugger puts it in a recursive editing level where it gets stuck. http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8548 If you don't want to change the lisp-interaction-mode and the debugger-mode, can you at least document it in the manual that the variable gets set in these modes so that the users can unset it in the mode-hooks? I have suffered for several years needlessly. (By the way, edebug doesn't seem to set the variable.) Cheers, Uday In GNU Emacs 23.3.1 (i386-mingw-nt5.1.2600) of 2011-03-10 on 3249CTO Windowing system distributor `Microsoft Corp.', version 5.1.2600 configured using `configure --with-gcc (4.5) --no-opt --cflags -Ic:/imagesupport/include' Important settings: value of $LC_ALL: nil value of $LC_COLLATE: nil value of $LC_CTYPE: nil value of $LC_MESSAGES: nil value of $LC_MONETARY: nil value of $LC_NUMERIC: nil value of $LC_TIME: nil value of $LANG: ENU value of $XMODIFIERS: nil locale-coding-system: cp1252 default enable-multibyte-characters: t Major mode: Buffer Menu Minor modes in effect: savehist-mode: t which-function-mode: t tooltip-mode: t mouse-wheel-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-encryption-mode: t line-number-mode: t transient-mark-mode: t Recent input: <return> C-x C-b C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n <return> C-a C-x y C-x C-g M-x r e p o r t - e m a c s - b u SPC <return> Recent messages: d:/Home/udr/.authinf: 0% (0/231) d:/Home/udr/.authinf: 100% (231/231) Sending... Sending via mail... d:/Home/udr/.authinf: 0% (0/231) d:/Home/udr/.authinf: 100% (231/231) d:/Home/udr/.authinf: 0% (0/231) d:/Home/udr/.authinf: 100% (231/231) Sending...done Commands: d, s, x, u; f, o, 1, 2, m, v; ~, %; q to quit; ? for help. 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d:/gnu/emacs-23.3/../packages/org-7.4/lisp/org-ascii hides d:/gnu/emacs-23.3/lisp/org/org-ascii d:/gnu/emacs-23.3/../packages/org-7.4/lisp/org-archive hides d:/gnu/emacs-23.3/lisp/org/org-archive d:/gnu/emacs-23.3/../packages/org-7.4/lisp/org-agenda hides d:/gnu/emacs-23.3/lisp/org/org-agenda d:/Home/udr/share/emacs/rnews hides d:/gnu/emacs-23.3/lisp/obsolete/rnews Features: (mule-util smtpmail gnus-msg gnus-art mm-uu mml2015 mm-view smime dig gnus-sum nnoo gnus-group gnus-undo nnmail mail-source format-spec gnus-start gnus-spec gnus-int gnus-range gnus-win gnus gnus-ems vm-crypto vm-imap newcomment shadow sort message ecomplete mml mml-sec password-cache mm-decode mm-bodies mm-encode mailcap mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums nnheader mm-util mail-prsvr gmm-utils wid-edit mailheader canlock hashcash emacsbug mail-utils mailalias vm-reply u-vm-color my-vm vc-bzr sha1 hex-util etags ps-print ps-def lpr vm-save vm-ps-print vm-rfaddons vm-menu vm-window vm-toolbar vm-folder 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tai-viet lao korean japanese hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese case-table epa-hook jka-cmpr-hook help simple abbrev loaddefs button minibuffer faces cus-face files text-properties overlay md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote make-network-process multi-tty emacs) --
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