Fix #1329777 [Translation DE](https://bugs.launchpad.net/calibre/+bug/1329777)

src/calibre/gui2/actions/add.py

@@ -106,7 +106,7 @@ class AddAction(InterfaceAction):
         ids = [view.model().id(r) for r in rows]
 
         if len(ids) > 1 and not question_dialog(self.gui,
-                _('Are you sure'),
+                _('Are you sure?'),
             _('Are you sure you want to add the same'
                 ' files to all %d books? If the format'
                 ' already exists for a book, it will be replaced.')%len(ids)):
@@ -128,7 +128,7 @@ class AddAction(InterfaceAction):
                     title = db.title(ids[0], index_is_id=True)
                     msg = _('The {0} format(s) will be replaced in the book {1}. Are you sure?').format(
                         ', '.join(override), title)
-                    if not confirm(msg, 'confirm_format_override_on_add', title=_('Are you sure'), parent=self.gui):
+                    if not confirm(msg, 'confirm_format_override_on_add', title=_('Are you sure?'), parent=self.gui):
                         return
 
         for id_ in ids:

src/calibre/gui2/preferences/adding.py

@@ -120,7 +120,7 @@ class ConfigWidget(ConfigWidgetBase, Ui_Form):
                             _('You do not have read/write permissions for '
                                 'the folder: %s')%path, show=True)
                     raise AbortCommit('invalid auto-add folder')
-                if not question_dialog(self, _('Are you sure'),
+                if not question_dialog(self, _('Are you sure?'),
                         _('<b>WARNING:</b> Any files you place in %s will be '
                             'automatically deleted after being added to '
                             'calibre. Are you sure?')%path):

src/calibre/gui2/tag_browser/ui.py

@@ -252,8 +252,7 @@ class TagBrowserMixin(object):  # {{{
         if not question_dialog(self.tags_view,
                     title=_('Delete item'),
                     msg='<p>'+
-                    _('%s will be deleted from all books. Are you sure?')
+                    _('%s will be deleted from all books. Are you sure?') %orig_name,
-                                %orig_name,
                     skip_dialog_name='tag_item_delete',
                     skip_dialog_msg=_('Show this confirmation again')):
             return
@@ -436,7 +435,7 @@ class TagBrowserWidget(QWidget):  # {{{
                     'match any or all of them'))
         ma.setStatusTip(ma.toolTip())
 
-        mt = l.m.addAction(_('Manage authors, tags, etc'))
+        mt = l.m.addAction(_('Manage authors, tags, etc.'))
         mt.setToolTip(_('All of these category_managers are available by right-clicking '
                        'on items in the tag browser above'))
         mt.m = l.manage_menu = QMenu(l.m)

src/calibre/gui2/tweak_book/editor/themes.py

@@ -6,7 +6,6 @@ from __future__ import (unicode_literals, division, absolute_import,
 __license__ = 'GPL v3'
 __copyright__ = '2013, Kovid Goyal <kovid at kovidgoyal.net>'
 
-import textwrap
 from collections import namedtuple
 
 from PyQt4.Qt import (
@@ -450,48 +449,8 @@ class Property(QWidget):
         self.data['underline'] = unicode(self.underline.currentText()) or None
         self.changed.emit()
 
-class ThemeEditor(Dialog):
+# Help text {{{
-
+HELP_TEXT = '''\
-    def __init__(self, parent=None):
-        Dialog.__init__(self, _('Create/edit custom theme'), 'custom-theme-editor', parent=parent)
-
-    def setup_ui(self):
-        self.block_show = False
-        self.properties = []
-        self.l = l  = QVBoxLayout(self)
-        self.setLayout(l)
-        h = QHBoxLayout()
-        l.addLayout(h)
-        self.la = la = QLabel(_('&Edit theme:'))
-        h.addWidget(la)
-        self.theme = t = QComboBox(self)
-        la.setBuddy(t)
-        t.addItems(sorted(custom_theme_names()))
-        t.setMinimumWidth(200)
-        if t.count() > 0:
-            t.setCurrentIndex(0)
-        t.currentIndexChanged[int].connect(self.show_theme)
-        h.addWidget(t)
-
-        self.add_button = b = QPushButton(QIcon(I('plus.png')), _('Add &new theme'), self)
-        b.clicked.connect(self.create_new_theme)
-        h.addWidget(b)
-
-        self.remove_button = b = QPushButton(QIcon(I('minus.png')), _('&Remove theme'), self)
-        b.clicked.connect(self.remove_theme)
-        h.addWidget(b)
-        h.addStretch(1)
-
-        self.scroll = s = QScrollArea(self)
-        self.w = w = QWidget(self)
-        s.setWidget(w), s.setWidgetResizable(True)
-        self.cl = cl = QVBoxLayout()
-        w.setLayout(cl)
-
-        from calibre.gui2.tweak_book.editor.text import TextEdit
-        self.preview = p = TextEdit(self, expected_geometry=(73, 50))
-        p.load_text(textwrap.dedent(_(
-        '''\
 <h2>Creating a custom theme</h2>
 
 <p id="attribute" lang="und">You can create a custom syntax highlighting
@@ -559,7 +518,49 @@ class ThemeEditor(Dialog):
     line-height: 1.2;
 }}
 </style>
-            ''')).format(
+'''  # }}}
+
+class ThemeEditor(Dialog):
+
+    def __init__(self, parent=None):
+        Dialog.__init__(self, _('Create/edit custom theme'), 'custom-theme-editor', parent=parent)
+
+    def setup_ui(self):
+        self.block_show = False
+        self.properties = []
+        self.l = l  = QVBoxLayout(self)
+        self.setLayout(l)
+        h = QHBoxLayout()
+        l.addLayout(h)
+        self.la = la = QLabel(_('&Edit theme:'))
+        h.addWidget(la)
+        self.theme = t = QComboBox(self)
+        la.setBuddy(t)
+        t.addItems(sorted(custom_theme_names()))
+        t.setMinimumWidth(200)
+        if t.count() > 0:
+            t.setCurrentIndex(0)
+        t.currentIndexChanged[int].connect(self.show_theme)
+        h.addWidget(t)
+
+        self.add_button = b = QPushButton(QIcon(I('plus.png')), _('Add &new theme'), self)
+        b.clicked.connect(self.create_new_theme)
+        h.addWidget(b)
+
+        self.remove_button = b = QPushButton(QIcon(I('minus.png')), _('&Remove theme'), self)
+        b.clicked.connect(self.remove_theme)
+        h.addWidget(b)
+        h.addStretch(1)
+
+        self.scroll = s = QScrollArea(self)
+        self.w = w = QWidget(self)
+        s.setWidget(w), s.setWidgetResizable(True)
+        self.cl = cl = QVBoxLayout()
+        w.setLayout(cl)
+
+        from calibre.gui2.tweak_book.editor.text import TextEdit
+        self.preview = p = TextEdit(self, expected_geometry=(73, 50))
+        p.load_text(HELP_TEXT.format(
                 *['<b>%s</b>' % x for x in (
                     'Normal', 'Visual', 'CursorLine', 'LineNr', 'MatchParen',
                     'Function', 'Type', 'Statement', 'Constant', 'SpecialCharacter', 'Error', 'SpellError', 'Comment'