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[Merge] lp:~raoul-snyman/openlp/update-about into lp:openlp

 

Raoul Snyman has proposed merging lp:~raoul-snyman/openlp/update-about into lp:openlp.

Commit message:
Update the About dialog:

- Changed the license to GPL3
- Removed a lot of old contributors
- Simplified credit tab content
- Linked to all the dependent libraries

Requested reviews:
  Tomas Groth (tomasgroth)

For more details, see:
https://code.launchpad.net/~raoul-snyman/openlp/update-about/+merge/371894

Update the About dialog:

- Changed the license to GPL3
- Removed a lot of old contributors
- Simplified credit tab content
- Linked to all the dependent libraries
-- 
Your team OpenLP Core is subscribed to branch lp:openlp.
=== modified file 'openlp/core/ui/aboutdialog.py'
--- openlp/core/ui/aboutdialog.py	2019-08-18 09:15:51 +0000
+++ openlp/core/ui/aboutdialog.py	2019-08-27 16:29:09 +0000
@@ -41,21 +41,33 @@
         """
         about_dialog.setObjectName('about_dialog')
         about_dialog.setWindowIcon(UiIcons().main_icon)
-        self.about_dialog_layout = QtWidgets.QVBoxLayout(about_dialog)
-        self.about_dialog_layout.setContentsMargins(8, 8, 8, 8)
-        self.about_dialog_layout.setObjectName('about_dialog_layout')
+        self.base_layout = QtWidgets.QVBoxLayout(about_dialog)
+        self.base_layout.setContentsMargins(0, 0, 0, 0)
+        self.base_layout.setSpacing(0)
+        self.base_layout.setObjectName('base_layout')
         self.logo_label = QtWidgets.QLabel(about_dialog)
         self.logo_label.setPixmap(QtGui.QPixmap(':/graphics/openlp-about-logo.png'))
+        self.logo_label.setStyleSheet('background-color: #fff')
+        self.logo_label.setMargin(8)
         self.logo_label.setObjectName('logo_label')
-        self.about_dialog_layout.addWidget(self.logo_label)
+        self.base_layout.addWidget(self.logo_label)
+        self.line = QtWidgets.QFrame(about_dialog)
+        self.line.setFrameShape(QtWidgets.QFrame.HLine)
+        self.line.setFrameShadow(QtWidgets.QFrame.Sunken)
+        self.line.setObjectName('line')
+        self.base_layout.addWidget(self.line)
+        self.about_dialog_layout = QtWidgets.QVBoxLayout()
+        self.about_dialog_layout.setContentsMargins(8, 8, 8, 8)
+        self.about_dialog_layout.setSpacing(8)
+        self.about_dialog_layout.setObjectName('about_dialog_layout')
+        self.base_layout.addLayout(self.about_dialog_layout)
         self.about_notebook = QtWidgets.QTabWidget(about_dialog)
         self.about_notebook.setObjectName('about_notebook')
         self.about_tab = QtWidgets.QWidget()
         self.about_tab.setObjectName('about_tab')
         self.about_tab_layout = QtWidgets.QVBoxLayout(self.about_tab)
         self.about_tab_layout.setObjectName('about_tab_layout')
-        self.about_text_edit = QtWidgets.QPlainTextEdit(self.about_tab)
-        self.about_text_edit.setReadOnly(True)
+        self.about_text_edit = QtWidgets.QTextBrowser(self.about_tab)
         self.about_text_edit.setObjectName('about_text_edit')
         self.about_tab_layout.addWidget(self.about_text_edit)
         self.about_notebook.addTab(self.about_tab, '')
@@ -63,8 +75,7 @@
         self.credits_tab.setObjectName('credits_tab')
         self.credits_tab_layout = QtWidgets.QVBoxLayout(self.credits_tab)
         self.credits_tab_layout.setObjectName('credits_tab_layout')
-        self.credits_text_edit = QtWidgets.QPlainTextEdit(self.credits_tab)
-        self.credits_text_edit.setReadOnly(True)
+        self.credits_text_edit = QtWidgets.QTextBrowser(self.credits_tab)
         self.credits_text_edit.setObjectName('credits_text_edit')
         self.credits_tab_layout.addWidget(self.credits_text_edit)
         self.about_notebook.addTab(self.credits_tab, '')
@@ -72,14 +83,13 @@
         self.license_tab.setObjectName('license_tab')
         self.license_tab_layout = QtWidgets.QVBoxLayout(self.license_tab)
         self.license_tab_layout.setObjectName('license_tab_layout')
-        self.license_text_edit = QtWidgets.QPlainTextEdit(self.license_tab)
-        self.license_text_edit.setReadOnly(True)
+        self.license_text_edit = QtWidgets.QTextBrowser(self.license_tab)
         self.license_text_edit.setObjectName('license_text_edit')
         self.license_tab_layout.addWidget(self.license_text_edit)
         self.about_notebook.addTab(self.license_tab, '')
         self.about_dialog_layout.addWidget(self.about_notebook)
-        self.volunteer_button = create_button(None, 'volunteer_button', icon=UiIcons().volunteer)
-        self.button_box = create_button_box(about_dialog, 'button_box', ['close'], [self.volunteer_button])
+        self.contribute_button = create_button(None, 'contribute_button', icon=UiIcons().volunteer)
+        self.button_box = create_button_box(about_dialog, 'button_box', ['close'], [self.contribute_button])
         self.about_dialog_layout.addWidget(self.button_box)
         self.retranslate_ui(about_dialog)
         self.about_notebook.setCurrentIndex(0)
@@ -91,618 +101,647 @@
         :param about_dialog: The QDialog object to translate
         """
         about_dialog.setWindowTitle('{about} OpenLP'.format(about=UiStrings().About))
-        self.about_text_edit.setPlainText(
+        self.about_text_edit.setHtml(
             translate('OpenLP.AboutForm',
-                      'OpenLP <version><revision> - Open Source Lyrics Projection\n'
-                      '\n'
-                      'OpenLP is free church presentation software, or lyrics '
-                      'projection software, used to display slides of songs, Bible '
-                      'verses, videos, images, and even presentations (if '
-                      'Impress or PowerPoint is installed) '
-                      'for church worship using a computer and a data projector.\n'
-                      '\n'
-                      'Find out more about OpenLP: http://openlp.org/\n'
-                      '\n'
-                      'OpenLP is written and maintained by volunteers. If you would '
-                      'like to see more free Christian software being written, please '
-                      'consider volunteering by using the button below.'))
+                      '<p>OpenLP {{version}}{{revision}} - Open Source Lyrics Projection<br>'
+                      'Copyright {crs} 2004-{yr} OpenLP Developers</p>'
+                      '<p>Find out more about OpenLP: <a href="https://openlp.org/";>https://openlp.org/</a></p>'
+                      '<p>This program is free software: you can redistribute it and/or modify it under the terms of '
+                      'the GNU General Public License as published by the Free Software Foundation, either version 3 '
+                      'of the License, or (at your option) any later version.</p>'
+                      '<p>This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; '
+                      'without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. '
+                      'See the GNU General Public License for more details.</p>'
+                      '<p>You should have received a copy of the GNU General Public License'
+                      'along with this program.  If not, see <a href="https://www.gnu.org/licenses/";>'
+                      'https://www.gnu.org/licenses/</a>.</p>').format(crs='\xa9', yr=datetime.date.today().year))
         self.about_notebook.setTabText(self.about_notebook.indexOf(self.about_tab), UiStrings().About)
-        lead = 'Raoul "superfly" Snyman'
-        developers = ['Tim "TRB143" Bentley', 'Tomas "tgc" Groth', 'Samuel "samuel_m" Mehrbrodt',
-                      'Andreas "googol" Preikschat', 'Ken "alisonken1" Roberts', 'Raoul "superfly" Snyman',
-                      'Jonathan "springermac" Springer', 'Philip "Phill" Ridout']
-        contributors = ['Stuart "sibecker" Becker', 'Gerald "jerryb" Britton', 'Jonathan "gushie" Corwin',
-                        'Samuel "MrGamgee" Findlay', 'Bastian Germann', 'Michael "cocooncrash" Gorven',
-                        'Scott "sguerrieri" Guerrieri', 'Simon Hanna', 'Chris Hill',
-                        'Matthias "matthub" Hub', 'Meinert "m2j" Jordan', 'Ian Knightly'
-                        'Armin "orangeshirt" K\xf6hler',
-                        'Rafael "rafaellerm" Lerm', 'Gabriel loo', 'Erik "luen" Lundin', 'Edwin "edwinlunando" Lunando',
-                        'Dmitriy Marmyshev', 'Brian "brianmeyer" Meyer', 'Joshua "milleja46" Miller',
-                        'Suutari "Azaziah" Olli',
-                        'Stevan "ElderP" Pettit', 'Mattias "mahfiaz" P\xf5ldaru', 'Felipe Polo-Wood',
-                        'Christian "crichter" Richter', 'Arjan "arjans" Schrijver', 'Simon "samscudder" Scudder',
-                        'Jeffrey "whydoubt" Smith', 'Stefan Strasser', 'Maikel Stuivenberg', 'Martin "mijiti" Thompson',
-                        'Jon "Meths" Tibble', 'Dave "Dave42W" Warnock', 'Oliver "OliWie" Wieland',
-                        'Frode "frodus" Woldsund', 'Martin "matysek" Zibricky', 'Patrick "mohij" Zimmermann']
-        testers = ['Philip "Phill" Ridout', 'Wesley "wrst" Stout',
-                   'John "jseagull1" Cegalis (lead)']
-        packagers = ['Thomas "tabthorpe" Abthorpe (FreeBSD)',
-                     'Tim "TRB143" Bentley (Fedora and Android)',
-                     'Joseph "jdmulloy" Mulloy (openSUSE)',
-                     'Stevan "ElderP" Pettit (Windows)',
-                     'Raoul "superfly" Snyman (Mac OS X, Debian, Ubuntu)',
-                     'Wesley "wrst" Stout (Arch Linux)']
-        translators = {
-            'af': ['Johan "nuvolari" Mynhardt'],
-            'cs': ['Martin "matysek" Zibricky'],
-            'da': ['Henrik "Hsonesson" Sonesson'],
-            'de': ['Patrick "madmuffin" Br\xfcckner', 'Meinert "m2j" Jordan', 'Andreas "googol" Preikschat',
-                   'Christian "crichter" Richter'],
-            'en_GB': ['Tim "TRB143" Bentley', 'Jonathan "gushie" Corwin'],
-            'en_ZA': ['Raoul "superfly" Snyman'],
-            'el': ['Alexander Siozos'],
-            'es': ['Josu\xe9 Z\xfa\xf1iga', 'Christian Gonzalez'],
-            'et': ['Mattias "mahfiaz" P\xf5ldaru'],
-            'fi': ['Jori "joribu" Brander', 'Tobbe "tobbeb" Bildo'],
-            'fr': ['Stephan\xe9 "stbrunner" Brunner', 'Jeremie "jnau05"', 'Carl "carl.fischer" Fischer'],
-            'hu': ['Gyuris Gell\xe9rt'],
-            'id': ['Mico "bangmico" Siahaan', ' ign_christian'],
-            'ja': ['Kunio "Kunio" Nakamaru', 'Chris Haris'],
-            'nb': ['Atle "pendlaren" Weibell', 'Frode "frodus" Woldsund'],
-            'nl': ['Arjan Schrijver', 'Arjen "typovar" van Voorst'],
-            'pl': ['Agata \u017B\u0105d\u0142o', 'Piotr Karze\u0142ek'],
-            'pt_BR': ['David Mederiros', 'Rafael "rafaellerm" Lerm', 'Eduardo Levi Chaves',
-                      'Gustavo Bim', 'Rog\xeanio Bel\xe9m', 'Simon "samscudder" Scudder', 'Van Der Fran'],
-            'ru': ['Sergey "ratz" Ratz'],
-            'sv': ['Erik "luen" Lundin'],
-            'ta_LK': ['"Prasad"'],
-            'zh_CN': [' "executor" ']
-        }
-        documentors = ['Wesley "wrst" Stout', 'John "jseagull1" Cegalis (lead)']
-        project_lead = translate('OpenLP.AboutForm', 'Project Lead')
-        devs = translate('OpenLP.AboutForm', 'Developers')
-        cons = translate('OpenLP.AboutForm', 'Contributors')
-        packs = translate('OpenLP.AboutForm', 'Packagers')
-        tests = translate('OpenLP.AboutForm', 'Testers')
-        laters = translate('OpenLP.AboutForm', 'Translators')
-        af = translate('OpenLP.AboutForm', 'Afrikaans (af)')
-        cs = translate('OpenLP.AboutForm', 'Czech (cs)')
-        da = translate('OpenLP.AboutForm', 'Danish (da)')
-        de = translate('OpenLP.AboutForm', 'German (de)')
-        el = translate('OpenLP.AboutForm', 'Greek (el)')
-        gb = translate('OpenLP.AboutForm', 'English, United Kingdom (en_GB)')
-        enza = translate('OpenLP.AboutForm', 'English, South Africa (en_ZA)')
-        es = translate('OpenLP.AboutForm', 'Spanish (es)')
-        et = translate('OpenLP.AboutForm', 'Estonian (et)')
-        fi = translate('OpenLP.AboutForm', 'Finnish (fi)')
-        fr = translate('OpenLP.AboutForm', 'French (fr)')
-        hu = translate('OpenLP.AboutForm', 'Hungarian (hu)')
-        ind = translate('OpenLP.AboutForm', 'Indonesian (id)')
-        ja = translate('OpenLP.AboutForm', 'Japanese (ja)')
-        nb = translate('OpenLP.AboutForm', 'Norwegian Bokmal (nb)')
-        nl = translate('OpenLP.AboutForm', 'Dutch (nl)')
-        pl = translate('OpenLP.AboutForm', 'Polish (pl)')
-        ptbr = translate('OpenLP.AboutForm', 'Portuguese, Brazil (pt_BR)')
-        ru = translate('OpenLP.AboutForm', 'Russian (ru)')
-        sv = translate('OpenLP.AboutForm', 'Swedish (sv)')
-        talk = translate('OpenLP.AboutForm', 'Tamil(Sri-Lanka) (ta_LK)')
-        zhcn = translate('OpenLP.AboutForm', 'Chinese(China) (zh_CN)')
-        documentation = translate('OpenLP.AboutForm', 'Documentation')
-        built_with = translate('OpenLP.AboutForm', 'Built With\n'
-                               '    Python: http://www.python.org/\n'
-                               '    Qt5: http://qt.io\n'
-                               '    PyQt5: http://www.riverbankcomputing.co.uk/software/pyqt/intro\n'
-                               '    Oxygen Icons: http://techbase.kde.org/Projects/Oxygen/\n'
-                               '    MuPDF: http://www.mupdf.com/\n'
-                               '    MediaInfo: https://mediaarea.net/en/MediaInfo\n')
-        final_credit = translate('OpenLP.AboutForm', 'Final Credit\n'
-                                 '    "For God so loved the world that He gave\n'
-                                 '    His one and only Son, so that whoever\n'
-                                 '    believes in Him will not perish but inherit\n'
-                                 '    eternal life."  -- John 3:16\n\n'
-                                 '    And last but not least, final credit goes to\n'
-                                 '    God our Father, for sending His Son to die\n'
-                                 '    on the cross, setting us free from sin. We\n'
-                                 '    bring this software to you for free because\n'
-                                 '    He has set us free.')
-        self.credits_text_edit.setPlainText(
-            '{titleLead}\n'
-            '    {nameLead}\n'
-            '\n'
-            '{titleDevs}\n'
-            '    {nameDevs}\n'
-            '\n'
-            '{titleContrib}\n'
-            '    {nameContrib}\n'
-            '\n'
-            '{titleTesters}\n'
-            '    {nameTesters}\n'
-            '\n'
-            '{titlePackagers}\n'
-            '    {namePackagers}\n'
-            '\n'
-            '{titleTranslators}\n'
-            '    {titleAF}\n'
-            '        {nameAF}\n'
-            '    {titleCS}\n'
-            '        {nameCS}\n'
-            '    {titleDA}\n'
-            '        {nameDA}\n'
-            '    {titleDE}\n'
-            '        {nameDE}\n'
-            '    {titleEL}\n'
-            '        {nameEL}\n'
-            '    {titleGB}\n'
-            '        {nameGB}\n'
-            '    {titleENZA}\n'
-            '        {nameENZA}\n'
-            '    {titleES}\n'
-            '        {nameES}\n'
-            '    {titleET}\n'
-            '        {nameET}\n'
-            '    {titleFI}\n'
-            '        {nameFI}\n'
-            '    {titleFR}\n'
-            '        {nameFR}\n'
-            '    {titleHU}\n'
-            '        {nameHU}\n'
-            '    {titleIND}\n'
-            '        {nameIND}\n'
-            '    {titleJA}\n'
-            '        {nameJA}\n'
-            '    {titleNB}\n'
-            '        {nameNB}\n'
-            '    {titleNL}\n'
-            '        {nameNL}\n'
-            '    {titlePL}\n'
-            '        {namePL}\n'
-            '    {titlePTBR}\n'
-            '        {namePTBR}\n'
-            '    {titleRU}\n'
-            '        {nameRU}\n'
-            '    {titleSV}\n'
-            '        {nameSV}\n'
-            '    {titleTALK}\n'
-            '        {nameTALK}\n'
-            '    {titleZHCN}\n'
-            '        {nameZHCN}\n'
-            '\n'
-            '{titleDOCS}\n'
-            '    {nameDOCS}\n'
-            '\n'
-            '{build}\n{final}'.format(titleLead=project_lead, nameLead=lead,
-                                      titleDevs=devs, nameDevs='\n    '.join(developers),
-                                      titleContrib=cons, nameContrib='\n    '.join(contributors),
-                                      titleTesters=tests, nameTesters='\n    '.join(testers),
-                                      titlePackagers=packs, namePackagers='\n    '.join(packagers),
-                                      titleTranslators=laters,
-                                      titleAF=af, nameAF='\n        '.join(translators['af']),
-                                      titleCS=cs, nameCS='\n        '.join(translators['cs']),
-                                      titleDA=da, nameDA='\n        '.join(translators['da']),
-                                      titleDE=de, nameDE='\n        '.join(translators['de']),
-                                      titleEL=el, nameEL='\n        '.join(translators['el']),
-                                      titleGB=gb, nameGB='\n        '.join(translators['en_GB']),
-                                      titleENZA=enza, nameENZA='\n        '.join(translators['en_ZA']),
-                                      titleES=es, nameES='\n        '.join(translators['es']),
-                                      titleET=et, nameET='\n        '.join(translators['et']),
-                                      titleFI=fi, nameFI='\n        '.join(translators['fi']),
-                                      titleFR=fr, nameFR='\n        '.join(translators['fr']),
-                                      titleHU=hu, nameHU='\n        '.join(translators['hu']),
-                                      titleIND=ind, nameIND='\n        '.join(translators['id']),
-                                      titleJA=ja, nameJA='\n        '.join(translators['ja']),
-                                      titleNB=nb, nameNB='\n        '.join(translators['nb']),
-                                      titleNL=nl, nameNL='\n        '.join(translators['nl']),
-                                      titlePL=pl, namePL='\n        '.join(translators['pl']),
-                                      titlePTBR=ptbr, namePTBR='\n        '.join(translators['pt_BR']),
-                                      titleRU=ru, nameRU='\n        '.join(translators['ru']),
-                                      titleSV=sv, nameSV='\n        '.join(translators['sv']),
-                                      titleTALK=talk, nameTALK='\n        '.join(translators['ta_LK']),
-                                      titleZHCN=zhcn, nameZHCN='\n        '.join(translators['zh_CN']),
-                                      titleDOCS=documentation, nameDOCS='\n    '.join(documentors),
-                                      build=built_with,
-                                      final=final_credit))
+        developers = translate('OpenLP.AboutForm',
+                               'OpenLP is written and maintained by volunteers all over the world in their spare '
+                               'time. If you would like to see this project succeed, please consider contributing to '
+                               'it by clicking the "contribute" button below.')
+        built_with = translate('OpenLP.AboutForm', 'OpenLP would not be possible without the following software '
+                               'libraries:')
+        build_tech = ('<ul>'
+                      '<li><a href="https://www.python.org/";>Python</a> (PSFL)</li>'
+                      '<li><a href="https://www.qt.io";>Qt5</a> (GPL3/LGPL3)</li>'
+                      '<li><a href="https://www.riverbankcomputing.co.uk/software/pyqt/intro";>PyQt5</a> (GPL3)</li>'
+                      '<li><a href="https://github.com/ActiveState/appdirs";>appdirs</a> (MIT)</li>'
+                      '<li><a href="https://alembic.sqlalchemy.org/en/latest/";>Alembic</a> (MIT)</li>'
+                      '<li><a href="https://www.crummy.com/software/BeautifulSoup/";>BeautifulSoup 4</a> (MIT)</li>'
+                      '<li><a href="https://github.com/chardet/chardet";>chardet</a> (LGPL)</li>'
+                      '<li><a href="https://fontawesome.com";>Font Awesome</a> (CC-BY 4.0, OFL 1.1, MIT)</li>'
+                      '<li><a href="https://lxml.de";>lxml</a> (BSD)</li>'
+                      '<li><a href="https://www.makotemplates.org";>Mako templates</a> (MIT)</li>'
+                      '<li><a href="https://mupdf.com/";>MuPDF</a> (AGPL)</li>'
+                      '<li><a href="https://github.com/pymupdf/PyMuPDF";>PyMuPDF</a> (AGPL3+/GPL3+)</li>'
+                      '<li><a href="https://mediaarea.net/en/MediaInfo";>MediaInfo</a> (BSD-style)</li>'
+                      '<li><a href="https://pymediainfo.readthedocs.io";>pymediainfo</a> (MIT)</li>'
+                      '<li><a href="https://github.com/rfk/pyenchant/";>pyenchant</a> (LGPL)</li>'
+                      '<li><a href="https://gitlab.com/tgc-dk/pysword";>pysword</a> (MIT)</li>'
+                      '<li><a href="https://pytest.org/";>pytest</a> (MIT)</li>'
+                      '<li><a href="https://github.com/jstasiak/python-zeroconf";>python-zeroconf</a> (LGPL)</li>'
+                      '<li><a href="https://github.com/ColinDuquesnoy/QDarkStyleSheet";>QDarkStyle</a> (MIT)</li>'
+                      '<li><a href="https://github.com/spyder-ide/qtawesome";>QtAwesome</a> (MIT)</li>'
+                      '<li><a href="https://2.python-requests.org/en/master/";>Requests</a> (Apache 2.0)</li>'
+                      '<li><a href="https://www.sqlalchemy.org";>SQLAlchemy</a> (MIT)</li>'
+                      '<li><a href="https://www.videolan.org/vlc/";>VLC</a> (LGPL)</li>'
+                      '<li><a href="https://wiki.videolan.org/PythonBinding";>Python bindings for VLC</a> (LGPL)</li>'
+                      '<li><a href="https://github.com/Pylons/waitress";>Waitress</a> (ZPL)</li>'
+                      '<li><a href="https://github.com/aaugustin/websockets";>websockets</a> (BSD)</li>'
+                      '<li><a href="https://webob.org/";>WebOb</a> (MIT)</li>'
+                      '<li><a href="https://mkleehammer.github.io/pyodbc/";>pyodbc</a> (MIT)</li>'
+                      '<li><a href="http://initd.org/psycopg/";>psycopg2</a> (LGPL3+)</li>'
+                      '</ul>')
+        final_credit = translate('OpenLP.AboutForm', '<h3>Final credit:</h3>'
+                                 '<blockquote><p>For God so loved the world that He gave His one and only Son, so that '
+                                 'whoever believes in Him will not perish but inherit eternal life.</p><p>John 3:16</p>'
+                                 '</blockquote>'
+                                 '<p>And last but not least, final credit goes to God our Father, for sending His Son '
+                                 'to die on the cross, setting us free from sin. We bring this software to you for '
+                                 'free because He has set us free.</p>')
+        self.credits_text_edit.setHtml('<p>{developers}</p><p>{built_with}</p>{build_tech}<p>{final_credit}</p>'.format(
+            developers=developers, built_with=built_with, build_tech=build_tech, final_credit=final_credit))
         self.about_notebook.setTabText(self.about_notebook.indexOf(self.credits_tab),
                                        translate('OpenLP.AboutForm', 'Credits'))
-        cr_others = ('Tim Bentley, Gerald Britton, Jonathan Corwin, Samuel Findlay, '
-                     'Michael Gorven, Scott Guerrieri, Simon Hanna, Chris, Hill Matthias Hub, Meinert Jordan, '
-                     'Ian Knightley, Armin K\xf6hler, Gabriel Loo, Erik Lundin, Edwin Lunando, Joshua Miller, '
-                     'Brian T. Meyer, Suutari Olli, Stevan Pettit, Andreas Preikschat, '
-                     'Mattias P\xf5ldaru, Christian Richter, Philip Ridout, '
-                     'Ken Roberts, Simon Scudder, Jeffrey Smith, Maikel Stuivenberg, '
-                     'Martin Thompson, Jon Tibble, Dave Warnock, Frode Woldsund, '
-                     'Martin Zibricky, Patrick Zimmermann')
-        copyright_note = translate('OpenLP.AboutForm',
-                                   'Copyright {crs} 2004-{yr} {cr}\n\n'
-                                   'Portions copyright {crs} 2004-{yr} {others}').format(cr='Raoul Snyman',
-                                                                                         yr=datetime.date.today().year,
-                                                                                         others=cr_others,
-                                                                                         crs='\xa9')
-        licence = translate('OpenLP.AboutForm',
-                            'This program is free software; you can redistribute it and/or '
-                            'modify it under the terms of the GNU General Public License as '
-                            'published by the Free Software Foundation; version 2 of the '
-                            'License.')
-        disclaimer = translate('OpenLP.AboutForm',
-                               'This program is distributed in the hope that it will be useful, '
-                               'but WITHOUT ANY WARRANTY; without even the implied warranty of '
-                               'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See below '
-                               'for more details.')
-        gpl_text = ('GNU GENERAL PUBLIC LICENSE\n'
-                    'Version 2, June 1991\n'
-                    '\n'
-                    'Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 '
-                    'Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. '
-                    'Everyone is permitted to copy and distribute verbatim copies of '
-                    'this license document, but changing it is not allowed.\n'
-                    '\n'
-                    'Preamble\n'
-                    '\n'
-                    'The licenses for most software are designed to take away your '
-                    'freedom to share and change it. By contrast, the GNU General '
-                    'Public License is intended to guarantee your freedom to share '
-                    'and change free software--to make sure the software is free for '
-                    'all its users. This General Public License applies to most of '
-                    'the Free Software Foundation\'s software and to any other '
-                    'program whose authors commit to using it. (Some other Free '
-                    'Software Foundation software is covered by the GNU Lesser '
-                    'General Public License instead.) You can apply it to your '
-                    'programs, too.\n'
-                    '\n'
-                    'When we speak of free software, we are referring to freedom, not '
-                    'price. Our General Public Licenses are designed to make sure '
-                    'that you have the freedom to distribute copies of free software '
-                    '(and charge for this service if you wish), that you receive '
-                    'source code or can get it if you want it, that you can change '
-                    'the software or use pieces of it in new free programs; and that '
-                    'you know you can do these things.\n'
-                    '\n'
-                    'To protect your rights, we need to make restrictions that forbid '
-                    'anyone to deny you these rights or to ask you to surrender the '
-                    'rights. These restrictions translate to certain responsibilities '
-                    'for you if you distribute copies of the software, or if you '
-                    'modify it.\n'
-                    '\n'
-                    'For example, if you distribute copies of such a program, whether '
-                    'gratis or for a fee, you must give the recipients all the rights '
-                    'that you have. You must make sure that they, too, receive or '
-                    'can get the source code. And you must show them these terms so '
-                    'they know their rights.\n'
-                    '\n'
-                    'We protect your rights with two steps: (1) copyright the '
-                    'software, and (2) offer you this license which gives you legal '
-                    'permission to copy, distribute and/or modify the software.\n'
-                    '\n'
-                    'Also, for each author\'s protection and ours, we want to make '
-                    'certain that everyone understands that there is no warranty for '
-                    'this free software. If the software is modified by someone else '
-                    'and passed on, we want its recipients to know that what they '
-                    'have is not the original, so that any problems introduced by '
-                    'others will not reflect on the original authors\' reputations.\n'
-                    '\n'
-                    'Finally, any free program is threatened constantly by software '
-                    'patents. We wish to avoid the danger that redistributors of a '
-                    'free program will individually obtain patent licenses, in effect '
-                    'making the program proprietary. To prevent this, we have made '
-                    'it clear that any patent must be licensed for everyone\'s free '
-                    'use or not licensed at all.\n'
-                    '\n'
-                    'The precise terms and conditions for copying, distribution and '
-                    'modification follow.\n'
-                    '\n'
-                    'GNU GENERAL PUBLIC LICENSE\n'
-                    'TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION\n'
-                    '\n'
-                    '0. This License applies to any program or other work which '
-                    'contains a notice placed by the copyright holder saying it may '
-                    'be distributed under the terms of this General Public License. '
-                    'The "Program", below, refers to any such program or work, and a '
-                    '"work based on the Program" means either the Program or any '
-                    'derivative work under copyright law: that is to say, a work '
-                    'containing the Program or a portion of it, either verbatim or '
-                    'with modifications and/or translated into another language. '
-                    '(Hereinafter, translation is included without limitation in the '
-                    'term "modification".) Each licensee is addressed as "you".\n'
-                    '\n'
-                    'Activities other than copying, distribution and modification are '
-                    'not covered by this License; they are outside its scope. The '
-                    'act of running the Program is not restricted, and the output '
-                    'from the Program is covered only if its contents constitute a '
-                    'work based on the Program (independent of having been made by '
-                    'running the Program). Whether that is true depends on what the '
-                    'Program does.\n'
-                    '\n'
-                    '1. You may copy and distribute verbatim copies of the Program\'s '
-                    'source code as you receive it, in any medium, provided that you '
-                    'conspicuously and appropriately publish on each copy an '
-                    'appropriate copyright notice and disclaimer of warranty; keep '
-                    'intact all the notices that refer to this License and to the '
-                    'absence of any warranty; and give any other recipients of the '
-                    'Program a copy of this License along with the Program.\n'
-                    '\n'
-                    'You may charge a fee for the physical act of transferring a '
-                    'copy, and you may at your option offer warranty protection in '
-                    'exchange for a fee.\n'
-                    '\n'
-                    '2. You may modify your copy or copies of the Program or any '
-                    'portion of it, thus forming a work based on the Program, and '
-                    'copy and distribute such modifications or work under the terms '
-                    'of Section 1 above, provided that you also meet all of these '
-                    'conditions:\n'
-                    '\n'
-                    'a) You must cause the modified files to carry prominent notices '
-                    'stating that you changed the files and the date of any change.\n'
-                    '\n'
-                    'b) You must cause any work that you distribute or publish, that '
-                    'in whole or in part contains or is derived from the Program or '
-                    'any part thereof, to be licensed as a whole at no charge to all '
-                    'third parties under the terms of this License.\n'
-                    '\n'
-                    'c) If the modified program normally reads commands interactively '
-                    'when run, you must cause it, when started running for such '
-                    'interactive use in the most ordinary way, to print or display an '
-                    'announcement including an appropriate copyright notice and a '
-                    'notice that there is no warranty (or else, saying that you '
-                    'provide a warranty) and that users may redistribute the program '
-                    'under these conditions, and telling the user how to view a copy '
-                    'of this License. (Exception: if the Program itself is '
-                    'interactive but does not normally print such an announcement, '
-                    'your work based on the Program is not required to print an '
-                    'announcement.)\n'
-                    '\n'
-                    'These requirements apply to the modified work as a whole. If '
-                    'identifiable sections of that work are not derived from the '
-                    'Program, and can be reasonably considered independent and '
-                    'separate works in themselves, then this License, and its terms, '
-                    'do not apply to those sections when you distribute them as '
-                    'separate works. But when you distribute the same sections as '
-                    'part of a whole which is a work based on the Program, the '
-                    'distribution of the whole must be on the terms of this License, '
-                    'whose permissions for other licensees extend to the entire '
-                    'whole, and thus to each and every part regardless of who wrote '
-                    'it.\n'
-                    '\n'
-                    'Thus, it is not the intent of this section to claim rights or '
-                    'contest your rights to work written entirely by you; rather, the '
-                    'intent is to exercise the right to control the distribution of '
-                    'derivative or collective works based on the Program.\n'
-                    '\n'
-                    'In addition, mere aggregation of another work not based on the '
-                    'Program with the Program (or with a work based on the Program) '
-                    'on a volume of a storage or distribution medium does not bring '
-                    'the other work under the scope of this License.\n'
-                    '\n'
-                    '3. You may copy and distribute the Program (or a work based on '
-                    'it, under Section 2) in object code or executable form under the '
-                    'terms of Sections 1 and 2 above provided that you also do one of '
-                    'the following:\n'
-                    '\n'
-                    'a) Accompany it with the complete corresponding machine-readable '
-                    'source code, which must be distributed under the terms of '
-                    'Sections 1 and 2 above on a medium customarily used for software '
-                    'interchange; or,\n'
-                    '\n'
-                    'b) Accompany it with a written offer, valid for at least three '
-                    'years, to give any third party, for a charge no more than your '
-                    'cost of physically performing source distribution, a complete '
-                    'machine-readable copy of the corresponding source code, to be '
-                    'distributed under the terms of Sections 1 and 2 above on a '
-                    'medium customarily used for software interchange; or,\n'
-                    '\n'
-                    'c) Accompany it with the information you received as to the '
-                    'offer to distribute corresponding source code. (This '
-                    'alternative is allowed only for noncommercial distribution and '
-                    'only if you received the program in object code or executable '
-                    'form with such an offer, in accord with Subsection b above.)\n'
-                    '\n'
-                    'The source code for a work means the preferred form of the work '
-                    'for making modifications to it. For an executable work, '
-                    'complete source code means all the source code for all modules '
-                    'it contains, plus any associated interface definition files, '
-                    'plus the scripts used to control compilation and installation of '
-                    'the executable. However, as a special exception, the source '
-                    'code distributed need not include anything that is normally '
-                    'distributed (in either source or binary form) with the major '
-                    'components (compiler, kernel, and so on) of the operating system '
-                    'on which the executable runs, unless that component itself '
-                    'accompanies the executable.\n'
-                    '\n'
-                    'If distribution of executable or object code is made by offering '
-                    'access to copy from a designated place, then offering equivalent '
-                    'access to copy the source code from the same place counts as '
-                    'distribution of the source code, even though third parties are '
-                    'not compelled to copy the source along with the object code.\n'
-                    '\n'
-                    '4. You may not copy, modify, sublicense, or distribute the '
-                    'Program except as expressly provided under this License. Any '
-                    'attempt otherwise to copy, modify, sublicense or distribute the '
-                    'Program is void, and will automatically terminate your rights '
-                    'under this License. However, parties who have received copies, '
-                    'or rights, from you under this License will not have their '
-                    'licenses terminated so long as such parties remain in full '
-                    'compliance.\n'
-                    '\n'
-                    '5. You are not required to accept this License, since you have '
-                    'not signed it. However, nothing else grants you permission to '
-                    'modify or distribute the Program or its derivative works. These '
-                    'actions are prohibited by law if you do not accept this '
-                    'License. Therefore, by modifying or distributing the Program '
-                    '(or any work based on the Program), you indicate your acceptance '
-                    'of this License to do so, and all its terms and conditions for '
-                    'copying, distributing or modifying the Program or works based on '
-                    'it.\n'
-                    '\n'
-                    '6. Each time you redistribute the Program (or any work based on '
-                    'the Program), the recipient automatically receives a license '
-                    'from the original licensor to copy, distribute or modify the '
-                    'Program subject to these terms and conditions. You may not '
-                    'impose any further restrictions on the recipients\' exercise of '
-                    'the rights granted herein. You are not responsible for enforcing '
-                    'compliance by third parties to this License.\n'
-                    '\n'
-                    '7. If, as a consequence of a court judgment or allegation of '
-                    'patent infringement or for any other reason (not limited to '
-                    'patent issues), conditions are imposed on you (whether by court '
-                    'order, agreement or otherwise) that contradict the conditions of '
-                    'this License, they do not excuse you from the conditions of this '
-                    'License. If you cannot distribute so as to satisfy '
-                    'simultaneously your obligations under this License and any other '
-                    'pertinent obligations, then as a consequence you may not '
-                    'distribute the Program at all. For example, if a patent license '
-                    'would not permit royalty-free redistribution of the Program by '
-                    'all those who receive copies directly or indirectly through you, '
-                    'then the only way you could satisfy both it and this License '
-                    'would be to refrain entirely from distribution of the Program.\n'
-                    '\n'
-                    'If any portion of this section is held invalid or unenforceable '
-                    'under any particular circumstance, the balance of the section is '
-                    'intended to apply and the section as a whole is intended to '
-                    'apply in other circumstances.\n'
-                    '\n'
-                    'It is not the purpose of this section to induce you to infringe '
-                    'any patents or other property right claims or to contest '
-                    'validity of any such claims; this section has the sole purpose '
-                    'of protecting the integrity of the free software distribution '
-                    'system, which is implemented by public license practices. Many '
-                    'people have made generous contributions to the wide range of '
-                    'software distributed through that system in reliance on '
-                    'consistent application of that system; it is up to the '
-                    'author/donor to decide if he or she is willing to distribute '
-                    'software through any other system and a licensee cannot impose '
-                    'that choice.\n'
-                    '\n'
-                    'This section is intended to make thoroughly clear what is '
-                    'believed to be a consequence of the rest of this License.\n'
-                    '\n'
-                    '8. If the distribution and/or use of the Program is restricted '
-                    'in certain countries either by patents or by copyrighted '
-                    'interfaces, the original copyright holder who places the Program '
-                    'under this License may add an explicit geographical distribution '
-                    'limitation excluding those countries, so that distribution is '
-                    'permitted only in or among countries not thus excluded. In such '
-                    'case, this License incorporates the limitation as if written in '
-                    'the body of this License.\n'
-                    '\n'
-                    '9. The Free Software Foundation may publish revised and/or new '
-                    'versions of the General Public License from time to time. Such '
-                    'new versions will be similar in spirit to the present version, '
-                    'but may differ in detail to address new problems or concerns.\n'
-                    '\n'
-                    'Each version is given a distinguishing version number. If the '
-                    'Program specifies a version number of this License which applies '
-                    'to it and "any later version", you have the option of '
-                    'following the terms and conditions either of that version or of '
-                    'any later version published by the Free Software Foundation. If '
-                    'the Program does not specify a version number of this License, '
-                    'you may choose any version ever published by the Free Software '
-                    'Foundation.\n'
-                    '\n'
-                    '10. If you wish to incorporate parts of the Program into other '
-                    'free programs whose distribution conditions are different, write '
-                    'to the author to ask for permission. For software which is '
-                    'copyrighted by the Free Software Foundation, write to the Free '
-                    'Software Foundation; we sometimes make exceptions for this. Our '
-                    'decision will be guided by the two goals of preserving the free '
-                    'status of all derivatives of our free software and of promoting '
-                    'the sharing and reuse of software generally.\n'
-                    '\n'
-                    'NO WARRANTY\n'
-                    '\n'
-                    '11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO '
-                    'WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE '
-                    'LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT '
-                    'HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT '
-                    'WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, '
-                    'BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY '
-                    'AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE '
-                    'QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE '
-                    'PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY '
-                    'SERVICING, REPAIR OR CORRECTION.\n'
-                    '\n'
-                    '12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO '
-                    'IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY '
-                    'MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE '
-                    'LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, '
-                    'INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR '
-                    'INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS '
-                    'OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY '
-                    'YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH '
-                    'ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN '
-                    'ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.\n'
-                    '\n'
-                    'END OF TERMS AND CONDITIONS\n'
-                    '\n'
-                    'How to Apply These Terms to Your New Programs\n'
-                    '\n'
-                    'If you develop a new program, and you want it to be of the '
-                    'greatest possible use to the public, the best way to achieve '
-                    'this is to make it free software which everyone can redistribute '
-                    'and change under these terms.\n'
-                    '\n'
-                    'To do so, attach the following notices to the program. It is '
-                    'safest to attach them to the start of each source file to most '
-                    'effectively convey the exclusion of warranty; and each file '
-                    'should have at least the "copyright" line and a pointer to where '
-                    'the full notice is found.\n'
-                    '\n'
-                    '<one line to give the program\'s name and a brief idea of what '
-                    'it does.>\n'
-                    'Copyright (C) <year> <name of author>\n'
-                    '\n'
-                    'This program is free software; you can redistribute it and/or '
-                    'modify it under the terms of the GNU General Public License as '
-                    'published by the Free Software Foundation; either version 2 of '
-                    'the License, or (at your option) any later version.\n'
-                    '\n'
-                    'This program is distributed in the hope that it will be useful, '
-                    'but WITHOUT ANY WARRANTY; without even the implied warranty of '
-                    'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the '
-                    'GNU General Public License for more details.\n'
-                    '\n'
-                    'You should have received a copy of the GNU General Public '
-                    'License along with this program; if not, write to the Free '
-                    'Software Foundation, Inc., 51 Franklin Street, Fifth Floor, '
-                    'Boston, MA 02110-1301 USA.\n'
-                    '\n'
-                    'Also add information on how to contact you by electronic and '
-                    'paper mail.\n'
-                    '\n'
-                    'If the program is interactive, make it output a short notice '
-                    'like this when it starts in an interactive mode:\n'
-                    '\n'
-                    'Gnomovision version 69, Copyright (C) year name of author\n'
-                    'Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type '
-                    '"show w".\n'
-                    'This is free software, and you are welcome to redistribute it '
-                    'under certain conditions; type "show c" for details.\n'
-                    '\n'
-                    'The hypothetical commands "show w" and "show c" should show '
-                    'the appropriate parts of the General Public License. Of course, '
-                    'the commands you use may be called something other than "show '
-                    'w" and "show c"; they could even be mouse-clicks or menu items--'
-                    'whatever suits your program.\n'
-                    '\n'
-                    'You should also get your employer (if you work as a programmer) '
-                    'or your school, if any, to sign a "copyright disclaimer" for the '
-                    'program, if necessary. Here is a sample; alter the names:\n'
-                    '\n'
-                    'Yoyodyne, Inc., hereby disclaims all copyright interest in the '
-                    'program "Gnomovision" (which makes passes at compilers) written '
-                    'by James Hacker.\n'
-                    '\n'
-                    '<signature of Ty Coon>, 1 April 1989\n'
-                    'Ty Coon, President of Vice\n'
-                    '\n'
-                    'This General Public License does not permit incorporating your '
-                    'program into proprietary programs. If your program is a '
-                    'subroutine library, you may consider it more useful to permit '
-                    'linking proprietary applications with the library. If this is '
-                    'what you want to do, use the GNU Lesser General Public License '
-                    'instead of this License.')
-        self.license_text_edit.setPlainText('{crnote}\n\n{license}\n\n{disclaimer}'
-                                            '\n\n\n{gpl}'.format(crnote=copyright_note,
-                                                                 license=licence,
-                                                                 disclaimer=disclaimer,
-                                                                 gpl=gpl_text))
+        license = ('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"'
+                   '    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";>'
+                   ''
+                   '<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en">'
+                   '<head>'
+                   ' <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />'
+                   ' <title>GNU General Public License v3.0 - GNU Project - Free Software Foundation (FSF)</title>'
+                   ' <link rel="alternate" type="application/rdf+xml"'
+                   '       href="http://www.gnu.org/licenses/gpl-3.0.rdf"; /> '
+                   '</head>'
+                   '<body>'
+                   '<h3 style="text-align: center;">GNU GENERAL PUBLIC LICENSE</h3>'
+                   '<p style="text-align: center;">Version 3, 29 June 2007</p>'
+                   '<p>Copyright &copy; 2007 Free Software Foundation, Inc.'
+                   ' &lt;<a href="https://fsf.org/";>https://fsf.org/</a>&gt;</p><p>'
+                   ' Everyone is permitted to copy and distribute verbatim copies'
+                   ' of this license document, but changing it is not allowed.</p>'
+                   '<h3><a name="preamble"></a>Preamble</h3>'
+                   '<p>The GNU General Public License is a free, copyleft license for '
+                   'software and other kinds of works.</p>'
+                   '<p>The licenses for most software and other practical works are designed '
+                   'to take away your freedom to share and change the works.  By contrast, '
+                   'the GNU General Public License is intended to guarantee your freedom to '
+                   'share and change all versions of a program--to make sure it remains free '
+                   'software for all its users.  We, the Free Software Foundation, use the '
+                   'GNU General Public License for most of our software; it applies also to '
+                   'any other work released this way by its authors.  You can apply it to '
+                   'your programs, too.</p>'
+                   '<p>When we speak of free software, we are referring to freedom, not '
+                   'price.  Our General Public Licenses are designed to make sure that you '
+                   'have the freedom to distribute copies of free software (and charge for '
+                   'them if you wish), that you receive source code or can get it if you '
+                   'want it, that you can change the software or use pieces of it in new '
+                   'free programs, and that you know you can do these things.</p>'
+                   '<p>To protect your rights, we need to prevent others from denying you '
+                   'these rights or asking you to surrender the rights.  Therefore, you have '
+                   'certain responsibilities if you distribute copies of the software, or if '
+                   'you modify it: responsibilities to respect the freedom of others.</p>'
+                   '<p>For example, if you distribute copies of such a program, whether '
+                   'gratis or for a fee, you must pass on to the recipients the same '
+                   'freedoms that you received.  You must make sure that they, too, receive '
+                   'or can get the source code.  And you must show them these terms so they '
+                   'know their rights.</p>'
+                   '<p>Developers that use the GNU GPL protect your rights with two steps: '
+                   '(1) assert copyright on the software, and (2) offer you this License '
+                   'giving you legal permission to copy, distribute and/or modify it.</p>'
+                   '<p>For the developers\' and authors\' protection, the GPL clearly explains '
+                   'that there is no warranty for this free software.  For both users\' and '
+                   'authors\' sake, the GPL requires that modified versions be marked as '
+                   'changed, so that their problems will not be attributed erroneously to '
+                   'authors of previous versions.</p>'
+                   '<p>Some devices are designed to deny users access to install or run '
+                   'modified versions of the software inside them, although the manufacturer '
+                   'can do so.  This is fundamentally incompatible with the aim of '
+                   'protecting users\' freedom to change the software.  The systematic '
+                   'pattern of such abuse occurs in the area of products for individuals to '
+                   'use, which is precisely where it is most unacceptable.  Therefore, we'
+                   'have designed this version of the GPL to prohibit the practice for those '
+                   'products.  If such problems arise substantially in other domains, we '
+                   'stand ready to extend this provision to those domains in future versions '
+                   'of the GPL, as needed to protect the freedom of users.</p> '
+                   '<p>Finally, every program is threatened constantly by software patents. '
+                   'States should not allow patents to restrict development and use of '
+                   'software on general-purpose computers, but in those that do, we wish to '
+                   'avoid the special danger that patents applied to a free program could '
+                   'make it effectively proprietary.  To prevent this, the GPL assures that '
+                   'patents cannot be used to render the program non-free.</p>'
+                   '<p>The precise terms and conditions for copying, distribution and '
+                   'modification follow.</p>'
+                   '<h3><a name="terms"></a>TERMS AND CONDITIONS</h3>'
+                   '<h4><a name="section0"></a>0. Definitions.</h4>'
+                   '<p>&ldquo;This License&rdquo; refers to version 3 of the GNU General Public License.</p>'
+                   '<p>&ldquo;Copyright&rdquo; also means copyright-like laws that apply to other kinds of '
+                   'works, such as semiconductor masks.</p>'
+                   '<p>&ldquo;The Program&rdquo; refers to any copyrightable work licensed under this '
+                   'License.  Each licensee is addressed as &ldquo;you&rdquo;.  &ldquo;Licensees&rdquo; and '
+                   '&ldquo;recipients&rdquo; may be individuals or organizations.</p>'
+                   '<p>To &ldquo;modify&rdquo; a work means to copy from or adapt all or part of the work '
+                   'in a fashion requiring copyright permission, other than the making of an '
+                   'exact copy.  The resulting work is called a &ldquo;modified version&rdquo; of the '
+                   'earlier work or a work &ldquo;based on&rdquo; the earlier work.</p>'
+                   '<p>A &ldquo;covered work&rdquo; means either the unmodified Program or a work based '
+                   'on the Program.</p>'
+                   '<p>To &ldquo;propagate&rdquo; a work means to do anything with it that, without '
+                   'permission, would make you directly or secondarily liable for '
+                   'infringement under applicable copyright law, except executing it on a '
+                   'computer or modifying a private copy.  Propagation includes copying, '
+                   'distribution (with or without modification), making available to the '
+                   'public, and in some countries other activities as well.</p>'
+                   '<p>To &ldquo;convey&rdquo; a work means any kind of propagation that enables other '
+                   'parties to make or receive copies.  Mere interaction with a user through '
+                   'a computer network, with no transfer of a copy, is not conveying.</p>'
+                   '<p>An interactive user interface displays &ldquo;Appropriate Legal Notices&rdquo; '
+                   'to the extent that it includes a convenient and prominently visible '
+                   'feature that (1) displays an appropriate copyright notice, and (2)'
+                   'tells the user that there is no warranty for the work (except to the '
+                   'extent that warranties are provided), that licensees may convey the '
+                   'work under this License, and how to view a copy of this License.  If '
+                   'the interface presents a list of user commands or options, such as a '
+                   'menu, a prominent item in the list meets this criterion.</p>'
+                   '<h4><a name="section1"></a>1. Source Code.</h4>'
+                   '<p>The &ldquo;source code&rdquo; for a work means the preferred form of the work '
+                   'for making modifications to it.  &ldquo;Object code&rdquo; means any non-source '
+                   'form of a work.</p>'
+                   '<p>A &ldquo;Standard Interface&rdquo; means an interface that either is an official '
+                   'standard defined by a recognized standards body, or, in the case of '
+                   'interfaces specified for a particular programming language, one that '
+                   'is widely used among developers working in that language.</p>'
+                   '<p>The &ldquo;System Libraries&rdquo; of an executable work include anything, other '
+                   'than the work as a whole, that (a) is included in the normal form of '
+                   'packaging a Major Component, but which is not part of that Major '
+                   'Component, and (b) serves only to enable use of the work with that '
+                   'Major Component, or to implement a Standard Interface for which an '
+                   'implementation is available to the public in source code form.  A '
+                   '&ldquo;Major Component&rdquo;, in this context, means a major essential component '
+                   '(kernel, window system, and so on) of the specific operating system '
+                   '(if any) on which the executable work runs, or a compiler used to '
+                   'produce the work, or an object code interpreter used to run it.</p>'
+                   '<p>The &ldquo;Corresponding Source&rdquo; for a work in object code form means all '
+                   'the source code needed to generate, install, and (for an executable '
+                   'work) run the object code and to modify the work, including scripts to '
+                   'control those activities.  However, it does not include the work\'s '
+                   'System Libraries, or general-purpose tools or generally available free '
+                   'programs which are used unmodified in performing those activities but '
+                   'which are not part of the work.  For example, Corresponding Source '
+                   'includes interface definition files associated with source files for '
+                   'the work, and the source code for shared libraries and dynamically '
+                   'linked subprograms that the work is specifically designed to require, '
+                   'such as by intimate data communication or control flow between those '
+                   'subprograms and other parts of the work.</p>'
+                   '<p>The Corresponding Source need not include anything that users '
+                   'can regenerate automatically from other parts of the Corresponding '
+                   'Source.</p>'
+                   '<p>The Corresponding Source for a work in source code form is that '
+                   'same work.</p>'
+                   '<h4><a name="section2"></a>2. Basic Permissions.</h4>'
+                   '<p>All rights granted under this License are granted for the term of '
+                   'copyright on the Program, and are irrevocable provided the stated '
+                   'conditions are met.  This License explicitly affirms your unlimited '
+                   'permission to run the unmodified Program.  The output from running a '
+                   'covered work is covered by this License only if the output, given its '
+                   'content, constitutes a covered work.  This License acknowledges your '
+                   'rights of fair use or other equivalent, as provided by copyright law.</p>'
+                   '<p>You may make, run and propagate covered works that you do not '
+                   'convey, without conditions so long as your license otherwise remains '
+                   'in force.  You may convey covered works to others for the sole purpose '
+                   'of having them make modifications exclusively for you, or provide you '
+                   'with facilities for running those works, provided that you comply with '
+                   'the terms of this License in conveying all material for which you do '
+                   'not control copyright.  Those thus making or running the covered works '
+                   'for you must do so exclusively on your behalf, under your direction '
+                   'and control, on terms that prohibit them from making any copies of '
+                   'your copyrighted material outside their relationship with you.</p>'
+                   '<p>Conveying under any other circumstances is permitted solely under '
+                   'the conditions stated below.  Sublicensing is not allowed; section 10 '
+                   'makes it unnecessary.</p>'
+                   '<h4><a name="section3"></a>3. Protecting Users\' Legal Rights From Anti-Circumvention Law.</h4>'
+                   '<p>No covered work shall be deemed part of an effective technological '
+                   'measure under any applicable law fulfilling obligations under article '
+                   '11 of the WIPO copyright treaty adopted on 20 December 1996, or '
+                   'similar laws prohibiting or restricting circumvention of such '
+                   'measures.</p>'
+                   '<p>When you convey a covered work, you waive any legal power to forbid '
+                   'circumvention of technological measures to the extent such circumvention '
+                   'is effected by exercising rights under this License with respect to '
+                   'the covered work, and you disclaim any intention to limit operation or '
+                   'modification of the work as a means of enforcing, against the work\'s '
+                   'users, your or third parties\' legal rights to forbid circumvention of '
+                   'technological measures.</p>'
+                   '<h4><a name="section4"></a>4. Conveying Verbatim Copies.</h4>'
+                   '<p>You may convey verbatim copies of the Program\'s source code as you '
+                   'receive it, in any medium, provided that you conspicuously and '
+                   'appropriately publish on each copy an appropriate copyright notice; '
+                   'keep intact all notices stating that this License and any '
+                   'non-permissive terms added in accord with section 7 apply to the code; '
+                   'keep intact all notices of the absence of any warranty; and give all '
+                   'recipients a copy of this License along with the Program.</p>'
+                   '<p>You may charge any price or no price for each copy that you convey, '
+                   'and you may offer support or warranty protection for a fee.</p>'
+                   '<h4><a name="section5"></a>5. Conveying Modified Source Versions.</h4>'
+                   '<p>You may convey a work based on the Program, or the modifications to '
+                   'produce it from the Program, in the form of source code under the '
+                   'terms of section 4, provided that you also meet all of these conditions:</p>'
+                   '<ul>'
+                   '<li>a) The work must carry prominent notices stating that you modified '
+                   '    it, and giving a relevant date.</li>'
+                   '<li>b) The work must carry prominent notices stating that it is '
+                   '    released under this License and any conditions added under section '
+                   '    7.  This requirement modifies the requirement in section 4 to '
+                   '    &ldquo;keep intact all notices&rdquo;.</li>'
+                   '<li>c) You must license the entire work, as a whole, under this '
+                   '    License to anyone who comes into possession of a copy.  This '
+                   '    License will therefore apply, along with any applicable section 7 '
+                   '    additional terms, to the whole of the work, and all its parts, '
+                   '    regardless of how they are packaged.  This License gives no '
+                   '    permission to license the work in any other way, but it does not '
+                   '    invalidate such permission if you have separately received it.</li>'
+                   '<li>d) If the work has interactive user interfaces, each must display '
+                   '    Appropriate Legal Notices; however, if the Program has interactive '
+                   '    interfaces that do not display Appropriate Legal Notices, your '
+                   '    work need not make them do so.</li>'
+                   '</ul>'
+                   '<p>A compilation of a covered work with other separate and independent '
+                   'works, which are not by their nature extensions of the covered work, '
+                   'and which are not combined with it such as to form a larger program, '
+                   'in or on a volume of a storage or distribution medium, is called an '
+                   '&ldquo;aggregate&rdquo; if the compilation and its resulting copyright are not '
+                   'used to limit the access or legal rights of the compilation\'s users '
+                   'beyond what the individual works permit.  Inclusion of a covered work '
+                   'in an aggregate does not cause this License to apply to the other '
+                   'parts of the aggregate.</p>'
+                   '<h4><a name="section6"></a>6. Conveying Non-Source Forms.</h4>'
+                   '<p>You may convey a covered work in object code form under the terms '
+                   'of sections 4 and 5, provided that you also convey the '
+                   'machine-readable Corresponding Source under the terms of this License, '
+                   'in one of these ways:</p>'
+                   '<ul>'
+                   '<li>a) Convey the object code in, or embodied in, a physical product '
+                   '    (including a physical distribution medium), accompanied by the '
+                   '    Corresponding Source fixed on a durable physical medium '
+                   '    customarily used for software interchange.</li>'
+                   '<li>b) Convey the object code in, or embodied in, a physical product '
+                   '    (including a physical distribution medium), accompanied by a '
+                   '    written offer, valid for at least three years and valid for as '
+                   '    long as you offer spare parts or customer support for that product '
+                   '    model, to give anyone who possesses the object code either (1) a '
+                   '    copy of the Corresponding Source for all the software in the '
+                   '    product that is covered by this License, on a durable physical '
+                   '    medium customarily used for software interchange, for a price no '
+                   '    more than your reasonable cost of physically performing this '
+                   '    conveying of source, or (2) access to copy the '
+                   '    Corresponding Source from a network server at no charge.</li>'
+                   '<li>c) Convey individual copies of the object code with a copy of the '
+                   '    written offer to provide the Corresponding Source.  This '
+                   '    alternative is allowed only occasionally and noncommercially, and '
+                   '    only if you received the object code with such an offer, in accord '
+                   '    with subsection 6b.</li>'
+                   '<li>d) Convey the object code by offering access from a designated '
+                   '    place (gratis or for a charge), and offer equivalent access to the '
+                   '    Corresponding Source in the same way through the same place at no '
+                   '    further charge.  You need not require recipients to copy the '
+                   '    Corresponding Source along with the object code.  If the place to '
+                   '    copy the object code is a network server, the Corresponding Source '
+                   '    may be on a different server (operated by you or a third party)'
+                   '    that supports equivalent copying facilities, provided you maintain '
+                   '    clear directions next to the object code saying where to find the '
+                   '    Corresponding Source.  Regardless of what server hosts the '
+                   '    Corresponding Source, you remain obligated to ensure that it is '
+                   '    available for as long as needed to satisfy these requirements.</li>'
+                   '<li>e) Convey the object code using peer-to-peer transmission, provided '
+                   '    you inform other peers where the object code and Corresponding '
+                   '    Source of the work are being offered to the general public at no '
+                   '    charge under subsection 6d.</li>'
+                   '</ul>'
+                   '<p>A separable portion of the object code, whose source code is excluded '
+                   'from the Corresponding Source as a System Library, need not be '
+                   'included in conveying the object code work.</p>'
+                   '<p>A &ldquo;User Product&rdquo; is either (1) a &ldquo;consumer product&rdquo;, which means any '
+                   'tangible personal property which is normally used for personal, family, '
+                   'or household purposes, or (2) anything designed or sold for incorporation '
+                   'into a dwelling.  In determining whether a product is a consumer product, '
+                   'doubtful cases shall be resolved in favor of coverage.  For a particular '
+                   'product received by a particular user, &ldquo;normally used&rdquo; refers to a '
+                   'typical or common use of that class of product, regardless of the status '
+                   'of the particular user or of the way in which the particular user '
+                   'actually uses, or expects or is expected to use, the product.  A product '
+                   'is a consumer product regardless of whether the product has substantial '
+                   'commercial, industrial or non-consumer uses, unless such uses represent '
+                   'the only significant mode of use of the product.</p>'
+                   '<p>&ldquo;Installation Information&rdquo; for a User Product means any methods, '
+                   'procedures, authorization keys, or other information required to install '
+                   'and execute modified versions of a covered work in that User Product from '
+                   'a modified version of its Corresponding Source.  The information must '
+                   'suffice to ensure that the continued functioning of the modified object '
+                   'code is in no case prevented or interfered with solely because '
+                   'modification has been made.</p>'
+                   '<p>If you convey an object code work under this section in, or with, or '
+                   'specifically for use in, a User Product, and the conveying occurs as '
+                   'part of a transaction in which the right of possession and use of the '
+                   'User Product is transferred to the recipient in perpetuity or for a '
+                   'fixed term (regardless of how the transaction is characterized), the '
+                   'Corresponding Source conveyed under this section must be accompanied '
+                   'by the Installation Information.  But this requirement does not apply '
+                   'if neither you nor any third party retains the ability to install '
+                   'modified object code on the User Product (for example, the work has '
+                   'been installed in ROM).</p>'
+                   '<p>The requirement to provide Installation Information does not include a '
+                   'requirement to continue to provide support service, warranty, or updates '
+                   'for a work that has been modified or installed by the recipient, or for '
+                   'the User Product in which it has been modified or installed.  Access to a '
+                   'network may be denied when the modification itself materially and '
+                   'adversely affects the operation of the network or violates the rules and '
+                   'protocols for communication across the network.</p>'
+                   '<p>Corresponding Source conveyed, and Installation Information provided, '
+                   'in accord with this section must be in a format that is publicly '
+                   'documented (and with an implementation available to the public in '
+                   'source code form), and must require no special password or key for '
+                   'unpacking, reading or copying.</p>'
+                   '<h4><a name="section7"></a>7. Additional Terms.</h4>'
+                   '<p>&ldquo;Additional permissions&rdquo; are terms that supplement the terms of this '
+                   'License by making exceptions from one or more of its conditions. '
+                   'Additional permissions that are applicable to the entire Program shall '
+                   'be treated as though they were included in this License, to the extent '
+                   'that they are valid under applicable law.  If additional permissions '
+                   'apply only to part of the Program, that part may be used separately '
+                   'under those permissions, but the entire Program remains governed by '
+                   'this License without regard to the additional permissions.</p>'
+                   '<p>When you convey a copy of a covered work, you may at your option '
+                   'remove any additional permissions from that copy, or from any part of '
+                   'it.  (Additional permissions may be written to require their own '
+                   'removal in certain cases when you modify the work.)  You may place '
+                   'additional permissions on material, added by you to a covered work, '
+                   'for which you have or can give appropriate copyright permission.</p>'
+                   '<p>Notwithstanding any other provision of this License, for material you '
+                   'add to a covered work, you may (if authorized by the copyright holders of '
+                   'that material) supplement the terms of this License with terms:</p>'
+                   '<ul>'
+                   '<li>a) Disclaiming warranty or limiting liability differently from the '
+                   '    terms of sections 15 and 16 of this License; or</li>'
+                   '<li>b) Requiring preservation of specified reasonable legal notices or '
+                   '    author attributions in that material or in the Appropriate Legal '
+                   '    Notices displayed by works containing it; or</li>'
+                   '<li>c) Prohibiting misrepresentation of the origin of that material, or '
+                   '    requiring that modified versions of such material be marked in '
+                   '    reasonable ways as different from the original version; or</li>'
+                   '<li>d) Limiting the use for publicity purposes of names of licensors or '
+                   '    authors of the material; or</li>'
+                   '<li>e) Declining to grant rights under trademark law for use of some '
+                   '    trade names, trademarks, or service marks; or</li>'
+                   '<li>f) Requiring indemnification of licensors and authors of that '
+                   '    material by anyone who conveys the material (or modified versions of '
+                   '    it) with contractual assumptions of liability to the recipient, for '
+                   '    any liability that these contractual assumptions directly impose on '
+                   '    those licensors and authors.</li>'
+                   '</ul>'
+                   '<p>All other non-permissive additional terms are considered &ldquo;further '
+                   'restrictions&rdquo; within the meaning of section 10.  If the Program as you '
+                   'received it, or any part of it, contains a notice stating that it is '
+                   'governed by this License along with a term that is a further '
+                   'restriction, you may remove that term.  If a license document contains '
+                   'a further restriction but permits relicensing or conveying under this '
+                   'License, you may add to a covered work material governed by the terms '
+                   'of that license document, provided that the further restriction does '
+                   'not survive such relicensing or conveying.</p>'
+                   '<p>If you add terms to a covered work in accord with this section, you '
+                   'must place, in the relevant source files, a statement of the '
+                   'additional terms that apply to those files, or a notice indicating '
+                   'where to find the applicable terms.</p>'
+                   '<p>Additional terms, permissive or non-permissive, may be stated in the '
+                   'form of a separately written license, or stated as exceptions; '
+                   'the above requirements apply either way.</p>'
+                   '<h4><a name="section8"></a>8. Termination.</h4>'
+                   '<p>You may not propagate or modify a covered work except as expressly '
+                   'provided under this License.  Any attempt otherwise to propagate or '
+                   'modify it is void, and will automatically terminate your rights under '
+                   'this License (including any patent licenses granted under the third '
+                   'paragraph of section 11).</p>'
+                   '<p>However, if you cease all violation of this License, then your '
+                   'license from a particular copyright holder is reinstated (a)'
+                   'provisionally, unless and until the copyright holder explicitly and '
+                   'finally terminates your license, and (b) permanently, if the copyright '
+                   'holder fails to notify you of the violation by some reasonable means '
+                   'prior to 60 days after the cessation.</p>'
+                   '<p>Moreover, your license from a particular copyright holder is '
+                   'reinstated permanently if the copyright holder notifies you of the '
+                   'violation by some reasonable means, this is the first time you have '
+                   'received notice of violation of this License (for any work) from that '
+                   'copyright holder, and you cure the violation prior to 30 days after '
+                   'your receipt of the notice.</p>'
+                   '<p>Termination of your rights under this section does not terminate the '
+                   'licenses of parties who have received copies or rights from you under '
+                   'this License.  If your rights have been terminated and not permanently '
+                   'reinstated, you do not qualify to receive new licenses for the same '
+                   'material under section 10.</p>'
+                   '<h4><a name="section9"></a>9. Acceptance Not Required for Having Copies.</h4>'
+                   '<p>You are not required to accept this License in order to receive or '
+                   'run a copy of the Program.  Ancillary propagation of a covered work '
+                   'occurring solely as a consequence of using peer-to-peer transmission '
+                   'to receive a copy likewise does not require acceptance.  However, '
+                   'nothing other than this License grants you permission to propagate or '
+                   'modify any covered work.  These actions infringe copyright if you do '
+                   'not accept this License.  Therefore, by modifying or propagating a '
+                   'covered work, you indicate your acceptance of this License to do so.</p>'
+                   '<h4><a name="section10"></a>10. Automatic Licensing of Downstream Recipients.</h4>'
+                   '<p>Each time you convey a covered work, the recipient automatically '
+                   'receives a license from the original licensors, to run, modify and '
+                   'propagate that work, subject to this License.  You are not responsible '
+                   'for enforcing compliance by third parties with this License.</p>'
+                   '<p>An &ldquo;entity transaction&rdquo; is a transaction transferring control of an '
+                   'organization, or substantially all assets of one, or subdividing an '
+                   'organization, or merging organizations.  If propagation of a covered '
+                   'work results from an entity transaction, each party to that '
+                   'transaction who receives a copy of the work also receives whatever '
+                   'licenses to the work the party\'s predecessor in interest had or could '
+                   'give under the previous paragraph, plus a right to possession of the '
+                   'Corresponding Source of the work from the predecessor in interest, if '
+                   'the predecessor has it or can get it with reasonable efforts.</p>'
+                   '<p>You may not impose any further restrictions on the exercise of the '
+                   'rights granted or affirmed under this License.  For example, you may '
+                   'not impose a license fee, royalty, or other charge for exercise of '
+                   'rights granted under this License, and you may not initiate litigation '
+                   '(including a cross-claim or counterclaim in a lawsuit) alleging that '
+                   'any patent claim is infringed by making, using, selling, offering for '
+                   'sale, or importing the Program or any portion of it.</p>'
+                   '<h4><a name="section11"></a>11. Patents.</h4>'
+                   '<p>A &ldquo;contributor&rdquo; is a copyright holder who authorizes use under this '
+                   'License of the Program or a work on which the Program is based.  The '
+                   'work thus licensed is called the contributor\'s &ldquo;contributor version&rdquo;.</p>'
+                   '<p>A contributor\'s &ldquo;essential patent claims&rdquo; are all patent claims '
+                   'owned or controlled by the contributor, whether already acquired or '
+                   'hereafter acquired, that would be infringed by some manner, permitted '
+                   'by this License, of making, using, or selling its contributor version, '
+                   'but do not include claims that would be infringed only as a '
+                   'consequence of further modification of the contributor version.  For '
+                   'purposes of this definition, &ldquo;control&rdquo; includes the right to grant '
+                   'patent sublicenses in a manner consistent with the requirements of '
+                   'this License.</p>'
+                   '<p>Each contributor grants you a non-exclusive, worldwide, royalty-free '
+                   'patent license under the contributor\'s essential patent claims, to '
+                   'make, use, sell, offer for sale, import and otherwise run, modify and '
+                   'propagate the contents of its contributor version.</p>'
+                   '<p>In the following three paragraphs, a &ldquo;patent license&rdquo; is any express '
+                   'agreement or commitment, however denominated, not to enforce a patent '
+                   '(such as an express permission to practice a patent or covenant not to '
+                   'sue for patent infringement).  To &ldquo;grant&rdquo; such a patent license to a '
+                   'party means to make such an agreement or commitment not to enforce a '
+                   'patent against the party.</p>'
+                   '<p>If you convey a covered work, knowingly relying on a patent license, '
+                   'and the Corresponding Source of the work is not available for anyone '
+                   'to copy, free of charge and under the terms of this License, through a '
+                   'publicly available network server or other readily accessible means, '
+                   'then you must either (1) cause the Corresponding Source to be so '
+                   'available, or (2) arrange to deprive yourself of the benefit of the '
+                   'patent license for this particular work, or (3) arrange, in a manner '
+                   'consistent with the requirements of this License, to extend the patent '
+                   'license to downstream recipients.  &ldquo;Knowingly relying&rdquo; means you have '
+                   'actual knowledge that, but for the patent license, your conveying the '
+                   'covered work in a country, or your recipient\'s use of the covered work '
+                   'in a country, would infringe one or more identifiable patents in that '
+                   'country that you have reason to believe are valid.</p>'
+                   '<p>If, pursuant to or in connection with a single transaction or '
+                   'arrangement, you convey, or propagate by procuring conveyance of, a '
+                   'covered work, and grant a patent license to some of the parties '
+                   'receiving the covered work authorizing them to use, propagate, modify '
+                   'or convey a specific copy of the covered work, then the patent license '
+                   'you grant is automatically extended to all recipients of the covered '
+                   'work and works based on it.</p>'
+                   '<p>A patent license is &ldquo;discriminatory&rdquo; if it does not include within '
+                   'the scope of its coverage, prohibits the exercise of, or is '
+                   'conditioned on the non-exercise of one or more of the rights that are '
+                   'specifically granted under this License.  You may not convey a covered '
+                   'work if you are a party to an arrangement with a third party that is '
+                   'in the business of distributing software, under which you make payment '
+                   'to the third party based on the extent of your activity of conveying '
+                   'the work, and under which the third party grants, to any of the '
+                   'parties who would receive the covered work from you, a discriminatory '
+                   'patent license (a) in connection with copies of the covered work '
+                   'conveyed by you (or copies made from those copies), or (b) primarily '
+                   'for and in connection with specific products or compilations that '
+                   'contain the covered work, unless you entered into that arrangement, '
+                   'or that patent license was granted, prior to 28 March 2007.</p>'
+                   '<p>Nothing in this License shall be construed as excluding or limiting '
+                   'any implied license or other defenses to infringement that may '
+                   'otherwise be available to you under applicable patent law.</p>'
+                   '<h4><a name="section12"></a>12. No Surrender of Others\' Freedom.</h4>'
+                   '<p>If conditions are imposed on you (whether by court order, agreement or '
+                   'otherwise) that contradict the conditions of this License, they do not '
+                   'excuse you from the conditions of this License.  If you cannot convey a '
+                   'covered work so as to satisfy simultaneously your obligations under this '
+                   'License and any other pertinent obligations, then as a consequence you may '
+                   'not convey it at all.  For example, if you agree to terms that obligate you '
+                   'to collect a royalty for further conveying from those to whom you convey '
+                   'the Program, the only way you could satisfy both those terms and this '
+                   'License would be to refrain entirely from conveying the Program.</p>'
+                   '<h4><a name="section13"></a>13. Use with the GNU Affero General Public License.</h4>'
+                   '<p>Notwithstanding any other provision of this License, you have '
+                   'permission to link or combine any covered work with a work licensed '
+                   'under version 3 of the GNU Affero General Public License into a single '
+                   'combined work, and to convey the resulting work.  The terms of this '
+                   'License will continue to apply to the part which is the covered work, '
+                   'but the special requirements of the GNU Affero General Public License, '
+                   'section 13, concerning interaction through a network will apply to the '
+                   'combination as such.</p>'
+                   '<h4><a name="section14"></a>14. Revised Versions of this License.</h4>'
+                   '<p>The Free Software Foundation may publish revised and/or new versions of '
+                   'the GNU General Public License from time to time.  Such new versions will '
+                   'be similar in spirit to the present version, but may differ in detail to '
+                   'address new problems or concerns.</p>'
+                   '<p>Each version is given a distinguishing version number.  If the '
+                   'Program specifies that a certain numbered version of the GNU General '
+                   'Public License &ldquo;or any later version&rdquo; applies to it, you have the '
+                   'option of following the terms and conditions either of that numbered '
+                   'version or of any later version published by the Free Software '
+                   'Foundation.  If the Program does not specify a version number of the '
+                   'GNU General Public License, you may choose any version ever published '
+                   'by the Free Software Foundation.</p>'
+                   '<p>If the Program specifies that a proxy can decide which future '
+                   'versions of the GNU General Public License can be used, that proxy\'s '
+                   'public statement of acceptance of a version permanently authorizes you '
+                   'to choose that version for the Program.</p>'
+                   '<p>Later license versions may give you additional or different '
+                   'permissions.  However, no additional obligations are imposed on any '
+                   'author or copyright holder as a result of your choosing to follow a '
+                   'later version.</p>'
+                   '<h4><a name="section15"></a>15. Disclaimer of Warranty.</h4>'
+                   '<p>THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY '
+                   'APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT '
+                   'HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM &ldquo;AS IS&rdquo; WITHOUT WARRANTY '
+                   'OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, '
+                   'THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR '
+                   'PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM '
+                   'IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF '
+                   'ALL NECESSARY SERVICING, REPAIR OR CORRECTION.</p>'
+                   '<h4><a name="section16"></a>16. Limitation of Liability.</h4>'
+                   '<p>IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING '
+                   'WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS '
+                   'THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY '
+                   'GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE '
+                   'USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF '
+                   'DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD '
+                   'PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), '
+                   'EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF '
+                   'SUCH DAMAGES.</p>'
+                   '<h4><a name="section17"></a>17. Interpretation of Sections 15 and 16.</h4>'
+                   '<p>If the disclaimer of warranty and limitation of liability provided '
+                   'above cannot be given local legal effect according to their terms, '
+                   'reviewing courts shall apply local law that most closely approximates '
+                   'an absolute waiver of all civil liability in connection with the '
+                   'Program, unless a warranty or assumption of liability accompanies a '
+                   'copy of the Program in return for a fee.</p>'
+                   '<p>END OF TERMS AND CONDITIONS</p>'
+                   '<h3><a name="howto"></a>How to Apply These Terms to Your New Programs</h3>'
+                   '<p>If you develop a new program, and you want it to be of the greatest '
+                   'possible use to the public, the best way to achieve this is to make it '
+                   'free software which everyone can redistribute and change under these terms.</p>'
+                   '<p>To do so, attach the following notices to the program.  It is safest '
+                   'to attach them to the start of each source file to most effectively '
+                   'state the exclusion of warranty; and each file should have at least '
+                   'the &ldquo;copyright&rdquo; line and a pointer to where the full notice is found.</p>'
+                   '<pre>    &lt;one line to give the program\'s name and a brief idea of what it does.&gt;<br>'
+                   '    Copyright (C) &lt;year&gt;  &lt;name of author&gt;<br>'
+                   '    This program is free software: you can redistribute it and/or modify<br>'
+                   '    it under the terms of the GNU General Public License as published by<br>'
+                   '    the Free Software Foundation, either version 3 of the License, or<br>'
+                   '    (at your option) any later version.<br>'
+                   '<br>'
+                   '    This program is distributed in the hope that it will be useful,<br>'
+                   '    but WITHOUT ANY WARRANTY; without even the implied warranty of<br>'
+                   '    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the<br>'
+                   '    GNU General Public License for more details.<br>'
+                   '<br>'
+                   '    You should have received a copy of the GNU General Public License<br>'
+                   '    along with this program.  If not, see &lt;https://www.gnu.org/licenses/&gt;. '
+                   '</pre>'
+                   '<p>Also add information on how to contact you by electronic and paper mail.</p>'
+                   '<p>If the program does terminal interaction, make it output a short '
+                   'notice like this when it starts in an interactive mode:</p>'
+                   '<pre>    &lt;program&gt;  Copyright (C) &lt;year&gt;  &lt;name of author&gt;<br>'
+                   '    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w`.<br>'
+                   '    This is free software, and you are welcome to redistribute it<br>'
+                   '    under certain conditions; type `show c` for details. '
+                   '</pre>'
+                   '<p>The hypothetical commands `show w` and `show c` should show the appropriate '
+                   'parts of the General Public License.  Of course, your program\'s commands '
+                   'might be different; for a GUI interface, you would use an &ldquo;about box&rdquo;.</p>'
+                   '<p>You should also get your employer (if you work as a programmer) or school, '
+                   'if any, to sign a &ldquo;copyright disclaimer&rdquo; for the program, if necessary. '
+                   'For more information on this, and how to apply and follow the GNU GPL, see '
+                   '&lt;<a href="https://www.gnu.org/licenses/";>https://www.gnu.org/licenses/</a>&gt;.</p>'
+                   '<p>The GNU General Public License does not permit incorporating your program '
+                   'into proprietary programs.  If your program is a subroutine library, you '
+                   'may consider it more useful to permit linking proprietary applications with '
+                   'the library.  If this is what you want to do, use the GNU Lesser General '
+                   'Public License instead of this License.  But first, please read '
+                   '&lt;<a href="https://www.gnu.org/licenses/why-not-lgpl.html";>'
+                   'https://www.gnu.org/licenses/why-not-lgpl.html</a>&gt;.</p>'
+                   '</body></html>')
+        self.license_text_edit.setHtml(license)
         self.about_notebook.setTabText(self.about_notebook.indexOf(self.license_tab),
                                        translate('OpenLP.AboutForm', 'License'))
-        self.volunteer_button.setText(translate('OpenLP.AboutForm', 'Volunteer'))
+        self.contribute_button.setText(translate('OpenLP.AboutForm', 'Contribute'))

=== modified file 'openlp/core/ui/aboutform.py'
--- openlp/core/ui/aboutform.py	2019-04-13 13:00:22 +0000
+++ openlp/core/ui/aboutform.py	2019-08-27 16:29:09 +0000
@@ -50,19 +50,20 @@
         Set up the dialog. This method is mocked out in tests.
         """
         self.setup_ui(self)
+        self.button_box.buttons()[0].setFocus()
         application_version = get_version()
-        about_text = self.about_text_edit.toPlainText()
-        about_text = about_text.replace('<version>', application_version['version'])
+        about_text = self.about_text_edit.toHtml()
+        about_text = about_text.replace('{version}', application_version['version'])
         if application_version['build']:
             build_text = translate('OpenLP.AboutForm', ' build {version}').format(version=application_version['build'])
         else:
             build_text = ''
-        about_text = about_text.replace('<revision>', build_text)
-        self.about_text_edit.setPlainText(about_text)
-        self.volunteer_button.clicked.connect(self.on_volunteer_button_clicked)
+        about_text = about_text.replace('{revision}', build_text)
+        self.about_text_edit.setHtml(about_text)
+        self.contribute_button.clicked.connect(self.on_contribute_button_clicked)
 
-    def on_volunteer_button_clicked(self):
+    def on_contribute_button_clicked(self):
         """
         Launch a web browser and go to the contribute page on the site.
         """
-        webbrowser.open_new('http://openlp.org/en/contribute')
+        webbrowser.open_new('http://openlp.org/contribute')

=== modified file 'tests/functional/openlp_core/ui/test_aboutform.py'
--- tests/functional/openlp_core/ui/test_aboutform.py	2019-04-13 13:00:22 +0000
+++ tests/functional/openlp_core/ui/test_aboutform.py	2019-08-27 16:29:09 +0000
@@ -30,10 +30,10 @@
 from tests.helpers.testmixin import TestMixin
 
 
-class TestFirstTimeForm(TestCase, TestMixin):
+class TestAboutForm(TestCase, TestMixin):
 
     @patch('openlp.core.ui.aboutform.webbrowser')
-    def test_on_volunteer_button_clicked(self, mocked_webbrowser):
+    def test_on_contribute_button_clicked(self, mocked_webbrowser):
         """
         Test that clicking on the "Volunteer" button opens a web page.
         """
@@ -41,10 +41,10 @@
         about_form = AboutForm(None)
 
         # WHEN: The "Volunteer" button is "clicked"
-        about_form.on_volunteer_button_clicked()
+        about_form.on_contribute_button_clicked()
 
         # THEN: A web browser is opened
-        mocked_webbrowser.open_new.assert_called_with('http://openlp.org/en/contribute')
+        mocked_webbrowser.open_new.assert_called_with('http://openlp.org/contribute')
 
     @patch('openlp.core.ui.aboutform.get_version')
     def test_about_form_build_number(self, mocked_get_version):
@@ -66,11 +66,11 @@
         Test that the copyright date is included correctly
         """
         # GIVEN: A correct application date
-        date_string = "2004-%s" % datetime.date.today().year
+        date_string = '2004-{year}'.format(year=datetime.date.today().year)
 
         # WHEN: The about form is created
         about_form = AboutForm(None)
-        license_text = about_form.license_text_edit.toPlainText()
+        about_text = about_form.about_text_edit.toPlainText()
 
         # THEN: The date should be in the text twice.
-        assert license_text.count(date_string, 0) == 2, "The text string should be added twice to the license string"
+        assert about_text.count(date_string, 0) == 1, "The text string should be added twice to the license string"


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