cinnamon-settings-users: Fix special characters in pango markup

Fixes linuxmint/mint21.3-beta#17

files/usr/share/cinnamon/cinnamon-settings-users/cinnamon-settings-users.py

@@ -650,7 +650,7 @@ def _on_realname_changed(self, widget, text):
  if treeiter is not None:
  user = model[treeiter][INDEX_USER_OBJECT]
  user.set_real_name(text)
- description = "<b>%s</b>\n%s" % (text, user.get_user_name())
+ description = "<b>%s</b>\n%s" % (GLib.markup_escape_text(text), GLib.markup_escape_text(user.get_user_name()))
  model.set_value(treeiter, INDEX_USER_DESCRIPTION, description)
 
  def _on_face_browse_menuitem_activated(self, menuitem):
@@ -777,7 +777,10 @@ def load_users(self):
  pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(user.get_icon_file(), 48, 48)
  else:
  pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size("/usr/share/cinnamon/faces/user-generic.png", 48, 48)
- description = "<b>%s</b>\n%s" % (user.get_real_name(), user.get_user_name())
+
+ real_name = GLib.markup_escape_text(user.get_real_name())
+ user_name = GLib.markup_escape_text(user.get_user_name())
+ description = f"<b>{real_name}</b>\n{user_name}"
  piter = self.users.append(None, [user, pixbuf, description])
  self.users_treeview.set_model(self.users)
 
@@ -897,7 +900,7 @@ def on_user_addition(self, event):
  new_user = self.accountService.create_user(username, fullname, account_type)
  new_user.set_password_mode(AccountsService.UserPasswordMode.NONE)
  pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size("/usr/share/cinnamon/faces/user-generic.png", 48, 48)
- description = "<b>%s</b>\n%s" % (fullname, username)
+ description = "<b>%s</b>\n%s" % (GLib.markup_escape_text(fullname), GLib.markup_escape_text(username))
  piter = self.users.append(None, [new_user, pixbuf, description])
  # Add the user to his/her own group and sudo if Administrator was selected
  if dialog.account_type_combo.get_active() == 1: