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Date: Mon, 2 Dec 2013 15:17:40 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: emacs-x11: new clipboard size limitation?
Message-ID: <20131202141740.GC11800@calimero.vinschen.de>
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References: <ac98a224051c2e59d2a1a0d455717531 AT mhoenicka DOT de> <529C8716 DOT 7020601 AT dronecode DOT org DOT uk>
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On Dec  2 13:11, Jon TURNEY wrote:
> On 02/12/2013 12:13, Markus Hoenicka wrote:
> > I'm running emacs-x11 24.3.1 on
> >=20
> > CYGWIN_NT-5.1 sbhc123 1.7.25(0.270/5/3) 2013-08-31 20:39 i686 Cygwin
> >=20
> > I used to be able to copy text from Emacs to Windows applications throu=
gh the
> > clipboard without practical size limitations. However, since my last Cy=
gwin
> > upgrade (which updated both Emacs and cygwin1.dll to the versions menti=
oned
> > above) the clipboard seems to be limited in size. All I do is the follo=
wing:
> >=20
> > - open a file containing ASCII text, amounting to like three printed pa=
ges of
> > text
> > - at the beginning of the buffer, press Ctrl-Space
> > - at the end of the buffer, press M-w
> > - switch to a Windows application (any that can handle unformatted text=
 will
> > do, use e.g. LibreOffice Writer)
> > - insert the text using Ctrl-v
> >=20
> > stderr shows the following messages:
> >=20
> > winClipboardWindowProc - timed out waiting for WIN_XEVENTS_NOTIFY_DATA
> > winClipboardFlushXEvents - SelectionNotify - X*TextPropertyToTextList
> > returned: XConverterNotFound
> > winClipboardWindowProc - timed out waiting for WIN_XEVENTS_NOTIFY_TARGE=
TS
> >=20
> > On the receiving end, the message reads something like:
> >=20
> > "Clipboard does not contain specified formatted data"
> >=20
> > Trial and error tells me that I can copy 6104 characters without proble=
ms.
> > Trying to copy 6105 or more characters triggers the error. I'll try and=
 see if
> > this number is constant across reboots. Copying within Emacs, i.e. by y=
anking
> > the text into a different buffer, is not affected. The problem persists=
 if I
> > start Emacs using the -q flag.
>=20
> This looks like the same issue as reported in [1], so you might like to t=
ry
> the snapshot from [2] and see if it improves things for you?
>=20
> What you write does seem to support the theory that this is a regression =
in
> select() in the cygwin DLL.  It might be useful if you could say what ver=
sion
> of the cygwin DLL you had when it was working correctly before you upgrad=
ed.
>=20
> [1] http://cygwin.com/ml/cygwin-xfree/2013-10/msg00031.html
> [2] http://cygwin.com/ml/cygwin-xfree/2013-11/msg00012.html

Are you sure this is a select problem?  If so, can you create an STC,
perhaps?


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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