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170 lines
7.4 KiB
170 lines
7.4 KiB
'\" t
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.TH QKeySequence 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
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.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
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.\" license file included in the distribution for a complete license
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.\" statement.
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.\"
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.ad l
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.nh
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.SH NAME
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QKeySequence \- Encapsulates a key sequence as used by accelerators
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.SH SYNOPSIS
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\fC#include <ntqkeysequence.h>\fR
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.PP
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Inherits Qt.
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.PP
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.SS "Public Members"
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.in +1c
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.ti -1c
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.BI "\fBQKeySequence\fR ()"
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.br
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.ti -1c
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.BI "\fBQKeySequence\fR ( const TQString & key )"
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.br
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.ti -1c
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.BI "\fBQKeySequence\fR ( int key )"
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.br
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.ti -1c
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.BI "\fBQKeySequence\fR ( int k1, int k2, int k3 = 0, int k4 = 0 )"
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.br
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.ti -1c
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.BI "\fBQKeySequence\fR ( const QKeySequence & keysequence )"
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.br
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.ti -1c
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.BI "\fB~QKeySequence\fR ()"
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.br
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.ti -1c
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.BI "uint \fBcount\fR () const"
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.br
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.ti -1c
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.BI "bool \fBisEmpty\fR () const"
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.br
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.ti -1c
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.BI "Qt::SequenceMatch \fBmatches\fR ( const QKeySequence & seq ) const"
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.br
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.ti -1c
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.BI "\fBoperator TQString\fR () const"
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.br
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.ti -1c
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.BI "operator int () const \fI(obsolete)\fR"
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.br
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.ti -1c
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.BI "int \fBoperator[]\fR ( uint index ) const"
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.br
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.ti -1c
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.BI "QKeySequence & \fBoperator=\fR ( const QKeySequence & keysequence )"
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.br
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.ti -1c
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.BI "bool \fBoperator==\fR ( const QKeySequence & keysequence ) const"
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.br
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.ti -1c
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.BI "bool \fBoperator!=\fR ( const QKeySequence & keysequence ) const"
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.br
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.in -1c
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.SH RELATED FUNCTION DOCUMENTATION
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.in +1c
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.ti -1c
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.BI "QDataStream & \fBoperator<<\fR ( QDataStream & s, const QKeySequence & keysequence )"
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.br
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.ti -1c
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.BI "QDataStream & \fBoperator>>\fR ( QDataStream & s, QKeySequence & keysequence )"
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.br
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.in -1c
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.SH DESCRIPTION
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The QKeySequence class encapsulates a key sequence as used by accelerators.
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.PP
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A key sequence consists of up to four keyboard codes, each optionally combined with modifiers, e.g. SHIFT, CTRL, ALT, META, or UNICODE_ACCEL. For example, \fCCTRL + Key_P\fR might be a sequence used as a shortcut for printing a document. The key codes are listed in ntqnamespace.h. As an alternative, use UNICODE_ACCEL with the unicode code point of the character. For example, \fCUNICODE_ACCEL + 'A'\fR gives the same key sequence as Key_A.
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.PP
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Key sequences can be constructed either from an integer key code, or from a human readable translatable string such as" Ctrl+X,Alt+Space". A key sequence can be cast to a TQString to obtain a human readable translated version of the sequence. Translations are done in the "QAccel" context.
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.PP
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See also QAccel and Miscellaneous Classes.
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.SH MEMBER FUNCTION DOCUMENTATION
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.SH "QKeySequence::QKeySequence ()"
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Constructs an empty key sequence.
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.SH "QKeySequence::QKeySequence ( const TQString & key )"
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Creates a key sequence from the string \fIkey\fR. For example" Ctrl+O" gives CTRL+UNICODE_ACCEL+'O'. The strings "Ctrl"," Shift", "Alt" and "Meta" are recognized, as well as their translated equivalents in the "QAccel" context (using TQObject::tr()).
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.PP
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Multiple key codes (up to four) may be entered by separating them with commas, e.g. "Alt+X,Ctrl+S,Q".
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.PP
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This contructor is typically used with tr(), so that accelerator keys can be replaced in translations:
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.PP
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.nf
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.br
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QPopupMenu *file = new QPopupMenu( this );
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.br
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file->insertItem( tr("&Open..."), this, SLOT(open()),
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.br
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QKeySequence( tr("Ctrl+O", "File|Open") ) );
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.br
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.fi
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.PP
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Note the \fC"File|Open"\fR translator comment. It is by no means necessary, but it provides some context for the human translator.
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.SH "QKeySequence::QKeySequence ( int key )"
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Constructs a key sequence that has a single \fIkey\fR.
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.PP
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The key codes are listed in ntqnamespace.h and can be combined with modifiers, e.g. with SHIFT, CTRL, ALT, META or UNICODE_ACCEL.
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.SH "QKeySequence::QKeySequence ( int k1, int k2, int k3 = 0, int k4 = 0 )"
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Constructs a key sequence with up to 4 keys \fIk1\fR, \fIk2\fR, \fIk3\fR and \fIk4\fR.
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.PP
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The key codes are listed in ntqnamespace.h and can be combined with modifiers, e.g. with SHIFT, CTRL, ALT, META or UNICODE_ACCEL.
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.SH "QKeySequence::QKeySequence ( const QKeySequence & keysequence )"
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Copy constructor. Makes a copy of \fIkeysequence\fR.
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.SH "QKeySequence::~QKeySequence ()"
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Destroys the key sequence.
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.SH "uint QKeySequence::count () const"
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Returns the number of keys in the key sequence. The maximum is 4.
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.SH "bool QKeySequence::isEmpty () const"
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Returns TRUE if the key sequence is empty; otherwise returns FALSE.
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.SH "Qt::SequenceMatch QKeySequence::matches ( const QKeySequence & seq ) const"
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Matches the sequence with \fIseq\fR. Returns Qt::Identical if successful, Qt::PartialMatch for matching but incomplete \fIseq\fR, and Qt::NoMatch if the sequences have nothing in common. Returns Qt::NoMatch if \fIseq\fR is shorter.
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.SH "QKeySequence::operator TQString () const"
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Creates an accelerator string for the key sequence. For instance CTRL+Key_O gives "Ctrl+O". If the key sequence has multiple key codes they are returned comma-separated, e.g." Alt+X, Ctrl+Y, Z". The strings, "Ctrl", "Shift", etc. are translated (using TQObject::tr()) in the "QAccel" scope. If the key sequence has no keys, TQString::null is returned.
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.PP
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On Mac OS X, the string returned resembles the sequence that is shown in the menubar.
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.SH "QKeySequence::operator int () const"
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\fBThis function is obsolete.\fR It is provided to keep old source working. We strongly advise against using it in new code.
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.PP
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For backward compatibility: returns the first keycode as integer. If the key sequence is empty, 0 is returned.
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.SH "bool QKeySequence::operator!= ( const QKeySequence & keysequence ) const"
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Returns TRUE if \fIkeysequence\fR is not equal to this key sequence; otherwise returns FALSE.
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.SH "QKeySequence & QKeySequence::operator= ( const QKeySequence & keysequence )"
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Assignment operator. Assigns \fIkeysequence\fR to this object.
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.SH "bool QKeySequence::operator== ( const QKeySequence & keysequence ) const"
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Returns TRUE if \fIkeysequence\fR is equal to this key sequence; otherwise returns FALSE.
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.SH "int QKeySequence::operator[] ( uint index ) const"
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Returns a reference to the element at position \fIindex\fR in the key sequence. This can only be used to read an element.
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.SH RELATED FUNCTION DOCUMENTATION
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.SH "QDataStream & operator<< ( QDataStream & s, const QKeySequence & keysequence )"
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Writes the key sequence \fIkeysequence\fR to the stream \fIs\fR.
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.PP
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See also Format of the QDataStream operators.
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.SH "QDataStream & operator>> ( QDataStream & s, QKeySequence & keysequence )"
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Reads a key sequence from the stream \fIs\fR into the key sequence \fIkeysequence\fR.
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.PP
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See also Format of the QDataStream operators.
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.SH "SEE ALSO"
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.BR http://doc.trolltech.com/ntqkeysequence.html
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.BR http://www.trolltech.com/faq/tech.html
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.SH COPYRIGHT
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Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
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license file included in the distribution for a complete license
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statement.
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.SH AUTHOR
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Generated automatically from the source code.
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.SH BUGS
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If you find a bug in Qt, please report it as described in
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.BR http://doc.trolltech.com/bughowto.html .
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Good bug reports help us to help you. Thank you.
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.P
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The definitive TQt documentation is provided in HTML format; it is
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located at $TQTDIR/doc/html and can be read using TQt Assistant or with
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a web browser. This man page is provided as a convenience for those
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users who prefer man pages, although this format is not officially
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supported by Trolltech.
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.P
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If you find errors in this manual page, please report them to
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.BR qt-bugs@trolltech.com .
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Please include the name of the manual page (tqkeysequence.3qt) and the Qt
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version (3.3.8).
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