Zim Crashes on Notebook Export to HTML

[Broken Canoe]

When exporting a complete notebook to HTML, the process hangs and crashes with the following error ;

This is zim 0.65
Platform: nt
Locale: en_GB cp1252
FS encoding: mbcs
Python: (2, 7, 11, 'final', 0)
Gtk: (2, 24, 10)
Pygtk: (2, 24, 0)
Zim revision is:
  branch: 065
  revision: 805 <email address hidden>
  date: 2015-11-01 15:42:45 +0100

======= Traceback =======
  File "zim\gui\widgets.pyo", line 3106, in do_response
  File "zim\gui\exportdialog.pyo", line 62, in do_response_ok
  File "zim\export\exporters\files.pyo", line 83, in export_iter
  File "zim\export\exporters\files.pyo", line 129, in export_page
  File "zim\templates\__init__.pyo", line 174, in process
  File "zim\signals.pyo", line 376, in emit
  File "zim\signals.pyo", line 224, in call_default
  File "zim\templates\__init__.pyo", line 178, in do_process
  File "zim\templates\processor.pyo", line 81, in process
  File "zim\templates\processor.pyo", line 130, in __call__
  File "zim\templates\processor.pyo", line 170, in _loop
  File "zim\templates\processor.pyo", line 111, in __call__
  File "zim\templates\expression.pyo", line 124, in __call__
  File "zim\export\template.pyo", line 475, in title
  File "zim\export\template.pyo", line 418, in heading
  File "zim\export\template.pyo", line 449, in _split_head
  File "zim\formats\__init__.pyo", line 318, in copy
  File "zim\formats\__init__.pyo", line 295, in fromstring
ParseError: not well-formed (invalid token): line 53, column 18

======

OS : Windows 10 (17.03 / 15063.540)

[Alex Bell (alexbell)]

this seems similar to bug #1725834