Bug#839039: kate: crashes when closing with CTRL-w an empty tab among others

[Alberto Marmodoro <a.marmodoro@googlemail.com>]

Package: kate
Version: 4:16.04.2-1
Severity: important

Dear Maintainer,
Closing with CTRL-w a tab from which all text has been removed leads Kate to crashing.

Thanks for your work,
--
Alberto.


*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
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-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.6.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages kate depends on:
ii  kate5-data                               4:16.04.2-1
ii  ktexteditor-katepart                     5.25.0-1
ii  libc6                                    2.23-5
ii  libgit2-24                               0.24.1-2
ii  libkf5activities5                        5.25.0-1
ii  libkf5bookmarks5                         5.25.0-1
ii  libkf5completion5                        5.25.0-1
ii  libkf5configcore5                        5.25.0-1
ii  libkf5configgui5                         5.25.0-1
ii  libkf5configwidgets5                     5.25.0-1
ii  libkf5coreaddons5                        5.25.0-1
ii  libkf5dbusaddons5                        5.25.0-1
ii  libkf5guiaddons5                         5.25.0-1
ii  libkf5i18n5                              5.25.0-1
ii  libkf5iconthemes5                        5.25.0-1
ii  libkf5itemmodels5                        5.25.0-1
ii  libkf5jobwidgets5                        5.25.0-1
ii  libkf5kiocore5                           5.25.0-1
ii  libkf5kiofilewidgets5                    5.25.0-1
ii  libkf5kiowidgets5                        5.25.0-1
ii  libkf5newstuff5                          5.25.0-1
ii  libkf5parts5                             5.25.0-1
ii  libkf5plasma5                            5.25.0-1
ii  libkf5service-bin                        5.25.0-1
ii  libkf5service5                           5.25.0-1
ii  libkf5texteditor5                        5.25.0-1
ii  libkf5textwidgets5                       5.25.0-1
ii  libkf5threadweaver5                      5.25.0-1
ii  libkf5wallet-bin                         5.25.0-1
ii  libkf5wallet5                            5.25.0-1
ii  libkf5widgetsaddons5                     5.25.0-1
ii  libkf5windowsystem5                      5.25.0-1
ii  libkf5xmlgui5                            5.25.0-1
ii  libqt5core5a                             5.6.1+dfsg-3+b1
ii  libqt5dbus5                              5.6.1+dfsg-3+b1
ii  libqt5gui5                               5.6.1+dfsg-3+b1
ii  libqt5sql5                               5.6.1+dfsg-3+b1
ii  libqt5widgets5                           5.6.1+dfsg-3+b1
ii  libqt5xml5                               5.6.1+dfsg-3+b1
ii  libstdc++6                               6.1.1-11
ii  plasma-framework                         5.25.0-1
ii  qml-module-org-kde-kquickcontrolsaddons  5.25.0-1
ii  qml-module-qtquick-layouts               5.6.1-2
ii  qml-module-qtquick2                      5.6.1-8

kate recommends no packages.

Versions of packages kate suggests:
ii  aspell         0.60.7~20110707-3+b1
ii  ispell         3.4.00-5
ii  khelpcenter    4:16.04.2-2
ii  konsole-kpart  4:16.04.2-1

-- no debconf information