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diff --git a/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp b/sources/pyside2/doc/codesnippets/doc/src/snippets/code/src_gui_text_qsyntaxhighlighter.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the documentation of PySide2.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of The Qt Company Ltd nor the names of its
+** contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+editor = QTextEdit()
+highlighter = MyHighlighter(editor.document())
+//! [0]
+
+
+//! [1]
+class MyHighlighter(QSyntaxHighlighter):
+ def highlightBlock(self, text):
+ myClassFormat = QTextCharFormat()
+ myClassFormat.setFontWeight(QFont.Bold)
+ myClassFormat.setForeground(Qt.darkMagenta)
+ pattern = QString("\\bMy[A-Za-z]+\\b")
+
+ expression = QRegExp(pattern)
+ index = text.indexOf(expression)
+ while index >= 0:
+ length = expression.matchedLength()
+ setFormat(index, length, myClassFormat)
+ index = text.indexOf(expression, index + length)
+//! [1]
+
+
+//! [2]
+multiLineCommentFormat = QTextCharFormat()
+multiLineCommentFormat.setForeground(Qt.red)
+
+startExpression = QRegExp("/\\*")
+endExpression = QRegExp("\\*/")
+
+setCurrentBlockState(0)
+
+startIndex = 0
+if previousBlockState() != 1:
+ startIndex = text.indexOf(startExpression)
+
+while startIndex >= 0:
+ endIndex = text.indexOf(endExpression, startIndex)
+ if endIndex == -1:
+ setCurrentBlockState(1)
+ commentLength = text.length() - startIndex
+ else:
+ commentLength = endIndex - startIndex
+ + endExpression.matchedLength()
+
+ setFormat(startIndex, commentLength, multiLineCommentFormat)
+ startIndex = text.indexOf(startExpression,
+ startIndex + commentLength)
+//! [2]
+
+
+//! [3]
+class MyHighlighter(QSyntaxHighlighter):
+ def highlightBlock(self, text):
+ myClassFormat = QTextCharFormat()
+ myClassFormat.setFontWeight(QFont.Bold)
+ myClassFormat.setForeground(Qt.darkMagenta)
+ pattern = QString("\\bMy[A-Za-z]+\\b")
+
+ expression = QRegExp(pattern)
+ index = text.indexOf(expression)
+ while index >= 0:
+ length = expression.matchedLength()
+ setFormat(index, length, myClassFormat)
+ index = text.indexOf(expression, index + length)
+//! [3]
+
+
+//! [4]
+class BlockData(QTextBlockUserData):
+ def __init__(self):
+ # ...
+ self.parentheses = []
+//! [4]