- Update to version 2.1.2:
* Bugfix: Fix crash when compiled with hardened compiler flags
(specifically -D_GLIBCXX_ASSERTIONS)
- Changes for version 2.1.1:
* Bugfix: Fix build with libunac support enabled
- Changes for version 2.1.0:
* New option `--page-range` to limit search to a set of pages
* New option `--file/-f` to read patterns from a file
* New option `--regexp/-e` to specify multiple patterns
(combined with OR).
* New options `--files-with-matches/-l` and
`--files-without-match/-L` to only list filenames of files
that contain or don't contain matches.
* Major manpage restructuring. It's now divided into subsections
like the GNU grep's manpage.
* Bugfix: Actually stop searching after first match with `-q`