Version 1.4 - 2016-08-23
    * Fix failures with a new variant of the Europresse HTML file format
      (reported by Tristan Guerra).

Version 1.3 - 2014-07-25
    * Support recently-introduced Europresse HTML file format.

Version 1.2 - 2014-03-26
    * Fix removal of search terms higlighted in red (reported by Patrick Lâm Lê).

Version 1.1 - 2014-05-25
    * Adapt to tm 0.6.
    * Change all tags to lowercase (for consistency with tm).
    * Stop truncating document IDs.

Version 1.0.1 - 2014-02-11
    * Fix small bug when parsing dates on Mac OS X.

Version 1.0 - 2014-02-10
    * Initial release with support for HTML files.