GNU bug report logs - #46349
27.1; Spaces are added at wrong places when typing in Sinhala Unicode.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.1; Spaces are added at wrong places when typing in Sinhala Unicode.
Date: Sat, 6 Feb 2021 20:08:11 +0530

When you type Sinhala using Uicode characterss, spaces are added at
wrong places. Words get serepated at wrong places as a result.

How to reproduce with emacs

1) Open emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
2) Switch to desired input method for Sinhala; Sinhalese : ibus
(Wijesekera (m17n))
3) Type keys isxy, NdIdj.
4) Observe what happens when you hit space at the end of the first word.
And when insert a space after full-stop.

Actual result : සිංහ ලභාෂාව .

Expected result : සිංහල භාෂාව.

This adds a space before the last character of the first word, not where
you want the space to be. Same happens when you enter a space after a
full-stop. It inserts the space BEFORE the full-stop.


In GNU Emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
 of 2021-02-06 built on alochana
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Ubuntu 18.04.5 LTS

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
Quit
Configured features:
XPM JPEG TIFF GIF PNG SOUND DBUS GSETTINGS GLIB NOTIFY INOTIFY GNUTLS
FREETYPE HARFBUZZ XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES
THREADS PDUMPER GMP

Important settings:
  value of $LC_MONETARY: en_US.UTF-8
  value of $LC_NUMERIC: en_US.UTF-8
  value of $LC_TIME: en_US.UTF-8
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: @im=ibus
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

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

Load-path shadows:
None found.

Features:
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select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
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misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
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base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads dbusbind inotify dynamic-setting system-font-setting
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Memory information:
((conses 16 59254 11773)
 (symbols 48 7738 1)
 (strings 32 20854 2117)
 (string-bytes 1 675663)
 (vectors 16 12411)
 (vector-slots 8 165509 11536)
 (floats 8 21 37)
 (intervals 56 202 0)
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-- 
Lohan Gunaweera
https://lohangunaweera.art
Signal : +94775903949
PGP fingerprint :
62BB C05D B93D 674B 27C4 BB4E 56E1 D006 1983 A729
Key available at https://lohangunaweera.art/contact/

Message #8 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1;
 Spaces are added at wrong places when typing in Sinhala Unicode.
Date: Sat, 06 Feb 2021 19:18:13 +0200

> From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
> Date: Sat, 6 Feb 2021 20:08:11 +0530
> 
> When you type Sinhala using Uicode characterss, spaces are added at
> wrong places. Words get serepated at wrong places as a result.
> 
> How to reproduce with emacs
> 
> 1) Open emacs 27.1 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.30)
> 2) Switch to desired input method for Sinhala; Sinhalese : ibus
> (Wijesekera (m17n))
> 3) Type keys isxy, NdIdj.
> 4) Observe what happens when you hit space at the end of the first word.
> And when insert a space after full-stop.
> 
> Actual result : සිංහ ලභාෂාව .
> 
> Expected result : සිංහල භාෂාව.
> 
> This adds a space before the last character of the first word, not where
> you want the space to be. Same happens when you enter a space after a
> full-stop. It inserts the space BEFORE the full-stop.

After you enter these characters, if you type "C-h l" (that's the
letter ell, not the digit one), what does Emacs show in the *Help*
buffer?

I don't have this input method installed, but if I just insert
manually the codepoints you show, I see no problems with the space
character insertion.  So it could be a problem with the input method?

Message #11 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing in
 Sinhala Unicode.
Date: Sun, 7 Feb 2021 06:30:54 +0530

On 2/6/21 10:48 PM, Eli Zaretskii wrote:

> 
> After you enter these characters, if you type "C-h l" (that's the
> letter ell, not the digit one), what does Emacs show in the *Help*
> buffer?

I entered both words, with a space between them and a full-stop at the
end. After full-stop I hit space. This is what it shows in the *Help*
buffer:

 භ			;; org-self-insert-command
 ා			;; org-self-insert-command
 ෂ			;; org-self-insert-command
 ා			;; org-self-insert-command
 ව			;; org-self-insert-command
 SPC			;; org-self-insert-command
 .			;; org-self-insert-command
 C-h l			;; view-lossage


> I don't have this input method installed, but if I just insert
> manually the codepoints you show, I see no problems with the space
> character insertion.  So it could be a problem with the input method?
> 

I use the same input method with other applications such as gedit,
LibreOffice, Thunderbird, Firefox etc, without this issue.


-- 
Lohan Gunaweera
https://lohangunaweera.art
Signal : +94775903949
PGP fingerprint :
62BB C05D B93D 674B 27C4 BB4E 56E1 D006 1983 A729
Key available at https://lohangunaweera.art/contact/

Message #14 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing in
 Sinhala Unicode.
Date: Sun, 7 Feb 2021 06:42:23 +0530

On 2/6/21 10:48 PM, Eli Zaretskii wrote:

> After you enter these characters, if you type "C-h l" (that's the
> letter ell, not the digit one), what does Emacs show in the *Help*
> buffer?

I entered both words, with a space between them and a full-stop at the
end. After full-stop I hit space. This is what it shows in the *Help*
buffer:

 ස			;; org-self-insert-command
 ි			;; org-self-insert-command
 ං			;; org-self-insert-command
 හ			;; org-self-insert-command
 SPC			;; org-self-insert-command
 ල			;; org-self-insert-command
 භ			;; org-self-insert-command
 ා			;; org-self-insert-command
 ෂ			;; org-self-insert-command
 ා			;; org-self-insert-command
 ව			;; org-self-insert-command
 SPC			;; org-self-insert-command
 .			;; org-self-insert-command
 C-h l			;; view-lossage



> I don't have this input method installed, but if I just insert
> manually the codepoints you show, I see no problems with the space
> character insertion.  So it could be a problem with the input method?
> 

I use the same input method with other applications such as gedit,
LibreOffice, Thunderbird, Firefox etc, without this issue.

-- 
Lohan Gunaweera
https://lohangunaweera.art
Signal : +94775903949
PGP fingerprint :
62BB C05D B93D 674B 27C4 BB4E 56E1 D006 1983 A729
Key available at https://lohangunaweera.art/contact/

Message #17 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing in
 Sinhala Unicode.
Date: Sun, 07 Feb 2021 05:38:13 +0200

> Cc: 46349 <at> debbugs.gnu.org
> From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
> Date: Sun, 7 Feb 2021 06:30:54 +0530
> 
> > After you enter these characters, if you type "C-h l" (that's the
> > letter ell, not the digit one), what does Emacs show in the *Help*
> > buffer?
> 
> I entered both words, with a space between them and a full-stop at the
> end. After full-stop I hit space. This is what it shows in the *Help*
> buffer:
> 
>  භ			;; org-self-insert-command
>  ා			;; org-self-insert-command
>  ෂ			;; org-self-insert-command
>  ා			;; org-self-insert-command
>  ව			;; org-self-insert-command
>  SPC			;; org-self-insert-command
>  .			;; org-self-insert-command
>  C-h l			;; view-lossage

This says that Emacs received the space _before_ the full stop.  Which
does explain what you see on screen, doesn't it?

> > I don't have this input method installed, but if I just insert
> > manually the codepoints you show, I see no problems with the space
> > character insertion.  So it could be a problem with the input method?
> 
> I use the same input method with other applications such as gedit,
> LibreOffice, Thunderbird, Firefox etc, without this issue.

Maybe some interaction between Emacs and the input method, then.

Message #20 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing in
 Sinhala Unicode.
Date: Sun, 7 Feb 2021 09:54:53 +0530

On 2/7/21 9:08 AM, Eli Zaretskii wrote:
>> Cc: 46349 <at> debbugs.gnu.org
>> From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
>> Date: Sun, 7 Feb 2021 06:30:54 +0530
>>
>>> After you enter these characters, if you type "C-h l" (that's the
>>> letter ell, not the digit one), what does Emacs show in the *Help*
>>> buffer?
>>
>> I entered both words, with a space between them and a full-stop at the
>> end. After full-stop I hit space. This is what it shows in the *Help*
>> buffer:
>>
>>  භ			;; org-self-insert-command
>>  ා			;; org-self-insert-command
>>  ෂ			;; org-self-insert-command
>>  ා			;; org-self-insert-command
>>  ව			;; org-self-insert-command
>>  SPC			;; org-self-insert-command
>>  .			;; org-self-insert-command
>>  C-h l			;; view-lossage
> 
> This says that Emacs received the space _before_ the full stop.  Which
> does explain what you see on screen, doesn't it?
> 

Thanks for this clarification. I did not know what it meant. (I am just
an orgmode user who uses it for writing and publishing)

>>
>> I use the same input method with other applications such as gedit,
>> LibreOffice, Thunderbird, Firefox etc, without this issue.
> 
> Maybe some interaction between Emacs and the input method, then.
> 

What is the best approach to get this resolved? Shall I file a bug
report for ibus on their bug tracker?

Message #23 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing in
 Sinhala Unicode.
Date: Sun, 07 Feb 2021 17:02:20 +0200

> Cc: 46349 <at> debbugs.gnu.org
> From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
> Date: Sun, 7 Feb 2021 09:54:53 +0530
> 
> > This says that Emacs received the space _before_ the full stop.  Which
> > does explain what you see on screen, doesn't it?
> > 
> 
> Thanks for this clarification. I did not know what it meant. (I am just
> an orgmode user who uses it for writing and publishing)
> 
> >>
> >> I use the same input method with other applications such as gedit,
> >> LibreOffice, Thunderbird, Firefox etc, without this issue.
> > 
> > Maybe some interaction between Emacs and the input method, then.
> 
> What is the best approach to get this resolved? Shall I file a bug
> report for ibus on their bug tracker?

It cannot do any harm to file a bug on the ibus tracker, especially as
we don't at the moment have XIM experts on board.  Perhaps the ibus
developers will give us some clue, in case it's our problem.

Thanks.

Message #26 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing in
 Sinhala Unicode.
Date: Tue, 9 Feb 2021 08:48:14 +0530

On 2/7/21 8:32 PM, Eli Zaretskii wrote:

>>>
>>> Maybe some interaction between Emacs and the input method, then.
>>
>> What is the best approach to get this resolved? Shall I file a bug
>> report for ibus on their bug tracker?
> 
> It cannot do any harm to file a bug on the ibus tracker, especially as
> we don't at the moment have XIM experts on board.  Perhaps the ibus
> developers will give us some clue, in case it's our problem.
> 

I just filed a bug on the ibus bug tracker
https://github.com/ibus/ibus-m17n/issues/27

Hope we'll hear from them soon.

Message #29 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Mike FABIAN <mfabian <at> redhat.com>
To: Lohan Gunaweera <lohan <at> lohangunaweera.tk>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing
 in Sinhala Unicode.
Date: Wed, 13 Oct 2021 13:03:50 +0200

Lohan Gunaweera <lohan <at> lohangunaweera.tk> さんはかきました:

> On 2/7/21 8:32 PM, Eli Zaretskii wrote:
>
>>>>
>>>> Maybe some interaction between Emacs and the input method, then.
>>>
>>> What is the best approach to get this resolved? Shall I file a bug
>>> report for ibus on their bug tracker?
>> 
>> It cannot do any harm to file a bug on the ibus tracker, especially as
>> we don't at the moment have XIM experts on board.  Perhaps the ibus
>> developers will give us some clue, in case it's our problem.
>> 
>
> I just filed a bug on the ibus bug tracker
> https://github.com/ibus/ibus-m17n/issues/27
>
> Hope we'll hear from them soon.

Yes, Eli is right, this is not an Emacs problem. It happens always when
XIM is used with ibus, i.e. it happens also when trying this in xterm.

https://bugzilla.redhat.com/show_bug.cgi?id=2013610

This is a very longstanding problem when using ibus with XIM.

-- 
Mike FABIAN <mfabian <at> redhat.com>
睡眠不足はいい仕事の敵だ。

Message #32 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Mike FABIAN <mfabian <at> redhat.com>
Cc: lohan <at> lohangunaweera.tk, 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing
 in Sinhala Unicode.
Date: Wed, 13 Oct 2021 16:16:00 +0300

> From: Mike FABIAN <mfabian <at> redhat.com>
> Cc: Eli Zaretskii <eliz <at> gnu.org>,  46349 <at> debbugs.gnu.org
> Date: Wed, 13 Oct 2021 13:03:50 +0200
> 
> Lohan Gunaweera <lohan <at> lohangunaweera.tk> さんはかきました:
> 
> > On 2/7/21 8:32 PM, Eli Zaretskii wrote:
> >
> >>>>
> >>>> Maybe some interaction between Emacs and the input method, then.
> >>>
> >>> What is the best approach to get this resolved? Shall I file a bug
> >>> report for ibus on their bug tracker?
> >> 
> >> It cannot do any harm to file a bug on the ibus tracker, especially as
> >> we don't at the moment have XIM experts on board.  Perhaps the ibus
> >> developers will give us some clue, in case it's our problem.
> >> 
> >
> > I just filed a bug on the ibus bug tracker
> > https://github.com/ibus/ibus-m17n/issues/27
> >
> > Hope we'll hear from them soon.
> 
> Yes, Eli is right, this is not an Emacs problem. It happens always when
> XIM is used with ibus, i.e. it happens also when trying this in xterm.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=2013610
> 
> This is a very longstanding problem when using ibus with XIM.

Thanks for getting back to us on this one.  Then I guess we should
close this bug?

Message #35 received at 46349 <at> debbugs.gnu.org (full text, mbox):

From: Mike FABIAN <mfabian <at> redhat.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: lohan <at> lohangunaweera.tk, 46349 <at> debbugs.gnu.org
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing
 in Sinhala Unicode.
Date: Wed, 13 Oct 2021 15:55:02 +0200

Eli Zaretskii <eliz <at> gnu.org> さんはかきました:

>> From: Mike FABIAN <mfabian <at> redhat.com>
>> Cc: Eli Zaretskii <eliz <at> gnu.org>,  46349 <at> debbugs.gnu.org
>> Date: Wed, 13 Oct 2021 13:03:50 +0200
>> 
>> Lohan Gunaweera <lohan <at> lohangunaweera.tk> さんはかきました:
>> 
>> > On 2/7/21 8:32 PM, Eli Zaretskii wrote:
>> >
>> >>>>
>> >>>> Maybe some interaction between Emacs and the input method, then.
>> >>>
>> >>> What is the best approach to get this resolved? Shall I file a bug
>> >>> report for ibus on their bug tracker?
>> >> 
>> >> It cannot do any harm to file a bug on the ibus tracker, especially as
>> >> we don't at the moment have XIM experts on board.  Perhaps the ibus
>> >> developers will give us some clue, in case it's our problem.
>> >> 
>> >
>> > I just filed a bug on the ibus bug tracker
>> > https://github.com/ibus/ibus-m17n/issues/27
>> >
>> > Hope we'll hear from them soon.
>> 
>> Yes, Eli is right, this is not an Emacs problem. It happens always when
>> XIM is used with ibus, i.e. it happens also when trying this in xterm.
>> 
>> https://bugzilla.redhat.com/show_bug.cgi?id=2013610
>> 
>> This is a very longstanding problem when using ibus with XIM.
>
> Thanks for getting back to us on this one.  Then I guess we should
> close this bug?

Yes, I think there is nothing Emacs can do here.

-- 
Mike FABIAN <mfabian <at> redhat.com>
睡眠不足はいい仕事の敵だ。

Message #40 received at 46349-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Mike FABIAN <mfabian <at> redhat.com>
Cc: 46349-done <at> debbugs.gnu.org, lohan <at> lohangunaweera.tk
Subject: Re: bug#46349: 27.1; Spaces are added at wrong places when typing
 in Sinhala Unicode.
Date: Wed, 13 Oct 2021 16:58:37 +0300

> From: Mike FABIAN <mfabian <at> redhat.com>
> Cc: lohan <at> lohangunaweera.tk,  46349 <at> debbugs.gnu.org
> Date: Wed, 13 Oct 2021 15:55:02 +0200
> 
> Eli Zaretskii <eliz <at> gnu.org> さんはかきました:
> 
> >> Yes, Eli is right, this is not an Emacs problem. It happens always when
> >> XIM is used with ibus, i.e. it happens also when trying this in xterm.
> >> 
> >> https://bugzilla.redhat.com/show_bug.cgi?id=2013610
> >> 
> >> This is a very longstanding problem when using ibus with XIM.
> >
> > Thanks for getting back to us on this one.  Then I guess we should
> > close this bug?
> 
> Yes, I think there is nothing Emacs can do here.

Thanks, closing.

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