GNU bug report logs - #6685
23.2; Discards control characters during boot.

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Package: emacs; Reported by: trentbuck@HIDDEN (Trent W. Buck); dated Wed, 21 Jul 2010 02:18:02 UTC; Maintainer for emacs is bug-gnu-emacs@HIDDEN.

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From: Andrew Hyatt <ahyatt@HIDDEN>
To: trentbuck@HIDDEN (Trent W. Buck)
Subject: Re: bug#6685: 23.2; Discards control characters during boot.
References: <87bpa160pk.fsf@HIDDEN>
Date: Thu, 08 Sep 2016 01:08:55 -0400
In-Reply-To: <87bpa160pk.fsf@HIDDEN> (Trent W. Buck's message of "Wed, 21
 Jul 2010 12:13:59 +1000")
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I was trying to reproduce this in Emacs 25, but emacsclient will not
start up a new emacs instance with emacsclient. According to the
documentation I have on emacsclient on using the alternative editor
flag:

If the value of EDITOR is the empty string, run "emacs --daemon" to
start Emacs in daemon mode, and try to connect to it.

So I can't reproduce this issue anymore.  Let me know if I'm missing
something, please.

trentbuck@HIDDEN (Trent W. Buck) writes:

> I start emacs with a wrapper script which boils down to
>
>     ALTERNATIVE_EDITOR="" emacsclient -c -t
>
> In the past (23.1 or so), I could start emacs that way, and while the
> daemon was loading in the background, I could type
>
>     M-x irc C-m M-x gnus C-m
>
> and when the daemon finished loading, the IRC and GNUS functions would
> run.  Now, what happens is that I get
>
>     xircxgnus
>
> appended to *scratch*.  It seems pretty clear to me that Emacs has
> started discarding control characters (^[ and ^M in my case).
>
> If this change was an attempt to fix a bug, it has actually fixed a
> feature (for me), since I now have to wait a couple of seconds for the
> frame to render before I can reliably start issuing commands.
>
> Note: I haven't reproduce this with --quick, because that starts too
> fast and in any case I don't know how to make emacsclient -A='' pass -Q
> to it's internal emacs --daemon invocation.
>
> In GNU Emacs 23.2.1 (x86_64-pc-linux-gnu)
>  of 2010-05-16 on barber, modified by Debian
> configured using `configure  '--build' 'x86_64-linux-gnu' '--build' 'x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.2/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.2/leim' '--with-x=no' '--without-gconf' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''
>
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: C
>   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: en_AU.utf8
>   value of $XMODIFIERS: nil
>   locale-coding-system: utf-8-unix
>   default enable-multibyte-characters: t
>
> Major mode: Fundamental
>
> Minor modes in effect:
>   xterm-mouse-mode: t
>   ido-everywhere: t
>   savehist-mode: t
>   icomplete-mode: t
>   partial-completion-mode: t
>   show-paren-mode: t
>   delete-selection-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   column-number-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent input:
> t SPC w h e r e SPC ESC q SPC ESC O A e ESC O B ESC 
> q SPC s t a g e 1 SPC c a n ' t SPC f i n d SPC s t 
> a g e 2 . ESC b ESC b ESC b ( DEL ESC [ 4 ~ SPC SPC 
> S i g h . ESC O C ESC O B C-@ ESC O B ESC O B ESC O 
> B ESC O B ESC O B ESC O B ESC O B C-w C-@ ESC O B ESC 
> O B ESC O B ESC O B ESC O B ESC O A C-w C-@ ESC O B 
> ESC O B ESC O B ESC O B C-g C-_ C-x C-x C-x C-x C-w 
> C-@ ESC O B ESC O B ESC O B ESC O B ESC O B ESC O B 
> C-w C-@ ESC O B ESC O B ESC O B ESC O B ESC O B ESC 
> O B C-w C-@ ESC O B ESC O B ESC O B ESC O B ESC O B 
> ESC O B ESC O B ESC O B ESC O B C-x C-x ESC O A C-w 
> DEL C-x C-s RET RET ESC O B ESC O B DEL DEL DEL C-x 
> C-s ESC < ESC % SPC > RET > RET ! ESC O B DEL ESC O 
> A ESC O A ESC O A ESC O A ESC O A ESC [ 1 ~ RET ESC 
> q ESC O A C-d ESC > C-x C-s C-x C-s ESC O A ESC q C-x 
> C-s C-x C-c q y ESC x r e p o r t SPC e m a c s SPC 
> b u g RET
>
> Recent messages:
> Mark set [2 times]
> Replaced 5 occurrences
> Mark set
> Saving file /tmp/mutt-dali-1000-1258-11239a89bc4892b64a...
> Wrote /tmp/mutt-dali-1000-1258-11239a89bc4892b64a
> (No changes need to be saved)
> Saving file /tmp/mutt-dali-1000-1258-11239a89bc4892b64a...
> Wrote /tmp/mutt-dali-1000-1258-11239a89bc4892b64a
> Are you sure you want to quit reading news? (y or n) 
> (No changes need to be saved)
>
> Load-path shadows:
> /usr/share/emacs/site-lisp/haskell-mode/inf-haskell hides /usr/share/emacs/23.2/site-lisp/haskell-mode/inf-haskell
> /usr/share/emacs/site-lisp/haskell-mode/haskell-site-file hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-site-file
> /usr/share/emacs/site-lisp/haskell-mode/haskell-simple-indent hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-simple-indent
> /usr/share/emacs/site-lisp/haskell-mode/haskell-mode hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-mode
> /usr/share/emacs/site-lisp/haskell-mode/haskell-indentation hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-indentation
> /usr/share/emacs/site-lisp/haskell-mode/haskell-indent hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-indent
> /usr/share/emacs/site-lisp/haskell-mode/haskell-hugs hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-hugs
> /usr/share/emacs/site-lisp/haskell-mode/haskell-ghci hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-ghci
> /usr/share/emacs/site-lisp/haskell-mode/haskell-font-lock hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-font-lock
> /usr/share/emacs/site-lisp/haskell-mode/haskell-doc hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-doc
> /usr/share/emacs/site-lisp/haskell-mode/haskell-decl-scan hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-decl-scan
> /usr/share/emacs/site-lisp/haskell-mode/haskell-cabal hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-cabal
> /usr/share/emacs/site-lisp/haskell-mode/haskell-c hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-c
> /usr/share/emacs/23.2/site-lisp/puppet-el/puppet-mode hides /usr/share/emacs/site-lisp/puppet-mode
> /usr/share/emacs/23.2/site-lisp/debian-startup hides /usr/share/emacs/site-lisp/debian-startup
> /usr/share/emacs23/site-lisp/dictionaries-common/flyspell hides /usr/share/emacs/23.2/lisp/textmodes/flyspell
> /usr/share/emacs23/site-lisp/dictionaries-common/ispell hides /usr/share/emacs/23.2/lisp/textmodes/ispell
>
> Features:
> (shadow sort mail-extr emacsbug newcomment vc-dispatcher vc-darcs cl
> cl-19 xml parse-time timezone nndraft nnmh auth-source gnus-agent
> gnus-srvr gnus-score score-mode nnvirtual gnus-msg gnus-art image mm-uu
> mml2015 epg-config mm-view smime dig nntp gnus-cache gnus-sum nnoo
> gnus-group gnus-undo nnmail mail-source format-spec gnus-start gnus-spec
> gnus-int gnus-range message sendmail regexp-opt ecomplete rfc822 mml
> easymenu mml-sec password-cache mm-decode mm-bodies mm-encode mailcap
> mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums mailabbrev gmm-utils
> mailheader canlock sha1 hex-util hashcash gnus-win gnus gnus-ems
> nnheader gnus-util netrc time-date mail-utils mm-util mail-prsvr
> wid-edit server jka-compr edmacro kmacro xt-mouse ido savehist icomplete
> complete paren delsel saveplace debian-el debian-el-loaddefs w3m-load
> emacs-goodies-el emacs-goodies-custom emacs-goodies-loaddefs easy-mmode
> dpkg-dev-el dpkg-dev-el-loaddefs ediff-hook vc-hooks lisp-float-type
> lisp-mode register page menu-bar rfn-eshadow timer select mldrag mouse
> jit-lock font-lock syntax facemenu font-core frame cham georgian
> utf-8-lang misc-lang vietnamese tibetan thai 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 dbusbind
> multi-tty emacs)




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#6685; Package emacs. Full text available.
Did not alter fixed versions and reopened. Request was from Debbugs Internal Request <help-debbugs@HIDDEN> to internal_control <at> debbugs.gnu.org. Full text available.

Message received at 6685 <at> debbugs.gnu.org:


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Date: Wed, 11 Apr 2012 20:56:52 +1000
From: "Trent W. Buck" <trentbuck@HIDDEN>
To: Chong Yidong <cyd@HIDDEN>
Subject: Re: bug#6685: 23.2; Discards control characters during boot.
Message-ID: <20120411105650.GA19872@elba>
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 <87pqbevghy.fsf@HIDDEN>
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Chong Yidong wrote:
> trentbuck@HIDDEN (Trent W. Buck) writes:
> 
> > I start emacs with a wrapper script which boils down to
> >
> >     ALTERNATIVE_EDITOR="" emacsclient -c -t
> >
> > In the past (23.1 or so), I could start emacs that way, and while the
> > daemon was loading in the background, I could type
> >
> >     M-x irc C-m M-x gnus C-m
> >
> > and when the daemon finished loading, the IRC and GNUS functions would
> > run.  Now, what happens is that I get
> >
> >     xircxgnus
> >
> > appended to *scratch*.  It seems pretty clear to me that Emacs has
> > started discarding control characters (^[ and ^M in my case).
> 
> As far as I can tell, this old bug was fixed by the introduction of
> xterm-extra-capabilities (set it to nil to avoid discarding
> pre-terminal-initialization input).

That appears to be defined in lisp/term/xterm.el, so it will only be
loaded when TERM=xterm.  Currently this is not the case for me;
TERM=screen and outside that TERM=linux (I am on the kernel fbcon).
I believe that was also the case when I reported the original bug.

(I have not actually tested this yet, as that variable is not
available in the 23.3 I have to hand just now.)




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#6685; Package emacs. Full text available.
bug closed, send any further explanations to 6685 <at> debbugs.gnu.org and trentbuck@HIDDEN (Trent W. Buck) Request was from Chong Yidong <cyd@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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From: Chong Yidong <cyd@HIDDEN>
To: trentbuck@HIDDEN (Trent W. Buck)
Subject: Re: bug#6685: 23.2; Discards control characters during boot.
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trentbuck@HIDDEN (Trent W. Buck) writes:

> I start emacs with a wrapper script which boils down to
>
>     ALTERNATIVE_EDITOR="" emacsclient -c -t
>
> In the past (23.1 or so), I could start emacs that way, and while the
> daemon was loading in the background, I could type
>
>     M-x irc C-m M-x gnus C-m
>
> and when the daemon finished loading, the IRC and GNUS functions would
> run.  Now, what happens is that I get
>
>     xircxgnus
>
> appended to *scratch*.  It seems pretty clear to me that Emacs has
> started discarding control characters (^[ and ^M in my case).

As far as I can tell, this old bug was fixed by the introduction of
xterm-extra-capabilities (set it to nil to avoid discarding
pre-terminal-initialization input).




Information forwarded to bug-gnu-emacs@HIDDEN:
bug#6685; Package emacs. Full text available.

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From: trentbuck@HIDDEN (Trent W. Buck)
To: bug-gnu-emacs@HIDDEN
Subject: 23.2; Discards control characters during boot.
Date: Wed, 21 Jul 2010 12:13:59 +1000
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I start emacs with a wrapper script which boils down to

    ALTERNATIVE_EDITOR="" emacsclient -c -t

In the past (23.1 or so), I could start emacs that way, and while the
daemon was loading in the background, I could type

    M-x irc C-m M-x gnus C-m

and when the daemon finished loading, the IRC and GNUS functions would
run.  Now, what happens is that I get

    xircxgnus

appended to *scratch*.  It seems pretty clear to me that Emacs has
started discarding control characters (^[ and ^M in my case).

If this change was an attempt to fix a bug, it has actually fixed a
feature (for me), since I now have to wait a couple of seconds for the
frame to render before I can reliably start issuing commands.

Note: I haven't reproduce this with --quick, because that starts too
fast and in any case I don't know how to make emacsclient -A='' pass -Q
to it's internal emacs --daemon invocation.

In GNU Emacs 23.2.1 (x86_64-pc-linux-gnu)
 of 2010-05-16 on barber, modified by Debian
configured using `configure  '--build' 'x86_64-linux-gnu' '--build' 'x86_64-linux-gnu' '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib' '--localstatedir=/var/lib' '--infodir=/usr/share/info' '--mandir=/usr/share/man' '--with-pop=yes' '--enable-locallisppath=/etc/emacs23:/etc/emacs:/usr/local/share/emacs/23.2/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/23.2/site-lisp:/usr/share/emacs/site-lisp:/usr/share/emacs/23.2/leim' '--with-x=no' '--without-gconf' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-DDEBIAN -g -O2' 'LDFLAGS=-g' 'CPPFLAGS=''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: C
  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: en_AU.utf8
  value of $XMODIFIERS: nil
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Fundamental

Minor modes in effect:
  xterm-mouse-mode: t
  ido-everywhere: t
  savehist-mode: t
  icomplete-mode: t
  partial-completion-mode: t
  show-paren-mode: t
  delete-selection-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
t SPC w h e r e SPC ESC q SPC ESC O A e ESC O B ESC 
q SPC s t a g e 1 SPC c a n ' t SPC f i n d SPC s t 
a g e 2 . ESC b ESC b ESC b ( DEL ESC [ 4 ~ SPC SPC 
S i g h . ESC O C ESC O B C-@ ESC O B ESC O B ESC O 
B ESC O B ESC O B ESC O B ESC O B C-w C-@ ESC O B ESC 
O B ESC O B ESC O B ESC O B ESC O A C-w C-@ ESC O B 
ESC O B ESC O B ESC O B C-g C-_ C-x C-x C-x C-x C-w 
C-@ ESC O B ESC O B ESC O B ESC O B ESC O B ESC O B 
C-w C-@ ESC O B ESC O B ESC O B ESC O B ESC O B ESC 
O B C-w C-@ ESC O B ESC O B ESC O B ESC O B ESC O B 
ESC O B ESC O B ESC O B ESC O B C-x C-x ESC O A C-w 
DEL C-x C-s RET RET ESC O B ESC O B DEL DEL DEL C-x 
C-s ESC < ESC % SPC > RET > RET ! ESC O B DEL ESC O 
A ESC O A ESC O A ESC O A ESC O A ESC [ 1 ~ RET ESC 
q ESC O A C-d ESC > C-x C-s C-x C-s ESC O A ESC q C-x 
C-s C-x C-c q y ESC x r e p o r t SPC e m a c s SPC 
b u g RET

Recent messages:
Mark set [2 times]
Replaced 5 occurrences
Mark set
Saving file /tmp/mutt-dali-1000-1258-11239a89bc4892b64a...
Wrote /tmp/mutt-dali-1000-1258-11239a89bc4892b64a
(No changes need to be saved)
Saving file /tmp/mutt-dali-1000-1258-11239a89bc4892b64a...
Wrote /tmp/mutt-dali-1000-1258-11239a89bc4892b64a
Are you sure you want to quit reading news? (y or n) 
(No changes need to be saved)

Load-path shadows:
/usr/share/emacs/site-lisp/haskell-mode/inf-haskell hides /usr/share/emacs/23.2/site-lisp/haskell-mode/inf-haskell
/usr/share/emacs/site-lisp/haskell-mode/haskell-site-file hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-site-file
/usr/share/emacs/site-lisp/haskell-mode/haskell-simple-indent hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-simple-indent
/usr/share/emacs/site-lisp/haskell-mode/haskell-mode hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-mode
/usr/share/emacs/site-lisp/haskell-mode/haskell-indentation hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-indentation
/usr/share/emacs/site-lisp/haskell-mode/haskell-indent hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-indent
/usr/share/emacs/site-lisp/haskell-mode/haskell-hugs hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-hugs
/usr/share/emacs/site-lisp/haskell-mode/haskell-ghci hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-ghci
/usr/share/emacs/site-lisp/haskell-mode/haskell-font-lock hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-font-lock
/usr/share/emacs/site-lisp/haskell-mode/haskell-doc hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-doc
/usr/share/emacs/site-lisp/haskell-mode/haskell-decl-scan hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-decl-scan
/usr/share/emacs/site-lisp/haskell-mode/haskell-cabal hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-cabal
/usr/share/emacs/site-lisp/haskell-mode/haskell-c hides /usr/share/emacs/23.2/site-lisp/haskell-mode/haskell-c
/usr/share/emacs/23.2/site-lisp/puppet-el/puppet-mode hides /usr/share/emacs/site-lisp/puppet-mode
/usr/share/emacs/23.2/site-lisp/debian-startup hides /usr/share/emacs/site-lisp/debian-startup
/usr/share/emacs23/site-lisp/dictionaries-common/flyspell hides /usr/share/emacs/23.2/lisp/textmodes/flyspell
/usr/share/emacs23/site-lisp/dictionaries-common/ispell hides /usr/share/emacs/23.2/lisp/textmodes/ispell

Features:
(shadow sort mail-extr emacsbug newcomment vc-dispatcher vc-darcs cl
cl-19 xml parse-time timezone nndraft nnmh auth-source gnus-agent
gnus-srvr gnus-score score-mode nnvirtual gnus-msg gnus-art image mm-uu
mml2015 epg-config mm-view smime dig nntp gnus-cache gnus-sum nnoo
gnus-group gnus-undo nnmail mail-source format-spec gnus-start gnus-spec
gnus-int gnus-range message sendmail regexp-opt ecomplete rfc822 mml
easymenu mml-sec password-cache mm-decode mm-bodies mm-encode mailcap
mail-parse rfc2231 rfc2047 rfc2045 qp ietf-drums mailabbrev gmm-utils
mailheader canlock sha1 hex-util hashcash gnus-win gnus gnus-ems
nnheader gnus-util netrc time-date mail-utils mm-util mail-prsvr
wid-edit server jka-compr edmacro kmacro xt-mouse ido savehist icomplete
complete paren delsel saveplace debian-el debian-el-loaddefs w3m-load
emacs-goodies-el emacs-goodies-custom emacs-goodies-loaddefs easy-mmode
dpkg-dev-el dpkg-dev-el-loaddefs ediff-hook vc-hooks lisp-float-type
lisp-mode register page menu-bar rfn-eshadow timer select mldrag mouse
jit-lock font-lock syntax facemenu font-core frame cham georgian
utf-8-lang misc-lang vietnamese tibetan thai 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 dbusbind
multi-tty emacs)




Acknowledgement sent to trentbuck@HIDDEN (Trent W. Buck):
New bug report received and forwarded. Copy sent to bug-gnu-emacs@HIDDEN. Full text available.
Report forwarded to owner <at> debbugs.gnu.org, bug-gnu-emacs@HIDDEN:
bug#6685; Package emacs. Full text available.
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