Matthias Rahlf f0a925c38d Escape part of a template string
In ebook-edit, if a filename contains a '%' clicking 'Run check'
results in an error:

Traceback (most recent call last):
  File "/usr/lib/calibre/calibre/gui2/tweak_book/boss.py", line 72, in ans
    return func(*args, **kwargs)
  File "/usr/lib/calibre/calibre/gui2/tweak_book/boss.py", line 1249, in check_requested
    c.run_checks(current_container())
  File "/usr/lib/calibre/calibre/gui2/tweak_book/check.py", line 221, in run_checks
    self.current_item_changed()
  File "/usr/lib/calibre/calibre/gui2/tweak_book/check.py", line 206, in current_item_changed
    template % (err.HELP, ifix, fix_tt, fix_msg, run_tt, run_msg))
ValueError: unsupported format character '_' (0x5f) at index 167
2018-09-13 16:46:34 +02:00
..
2018-09-13 16:46:34 +02:00
2018-09-10 12:11:28 +05:30
2018-09-10 12:11:29 +05:30
2018-09-10 20:54:35 +05:30
2018-09-10 20:12:01 +05:30