2.2

- Import new qpdf package with pdf transformation tools

- Enable pdf_data() in poppler 0.71 now Debian has backported the encoding patch.

- Document new PPA for Ubuntu 16.04 and 18.04 with poppler 0.74

2.1

- Windows / MacOS: update poppler to 0.73.0

- Remove code that used the 'unstable' xpdf api

- Use unique_ptr objects to fix memory leaks

2.0

- Windows, MacOS: update poppler to 0.72.1 (backported UTF-8 fix)

- Enable pdf_data() on systems with 0.72.1 or newer

- Several encoding related fixes in text/metadata extraction

- Add a 'tibble' class to data frames for pretty printing

1.8

- Run configure script in bash

1.7

- Change autobrew script to avoid dependency on xQuartz

1.6

- pdf_render_page() and pdf_convert() gain argument to control 'antialias'

- Small tweaks in pdf_text() for dealing with malformed pdf files

1.5

- On Windows and MacOS we now bundle poppler-data to support non-latin text

- Windows: Upgrade libpoppler to 0.61.0 from rwinlib

- Windows: patch libpoppler bug that would cause pdf_convert() to generate corrupt files

- PDF rendering errors are relayed via message() instead of warning()

1.4

- Hide symbols in supported platforms

- Upgrade libpoppler on Windows

1.3

- Improve support for reading passworded and encyrpted pdf files (+ unit tests)

- Support direct conversion from pdf to png, jpeg, tiff (+ unit tests)

- Switch to Rcpp automatic symbol registration

- Tweak autobrew script for legacy Mavericks builds

1.2

- Fix autobrew for OSX Mavericks

1.1

- Extract autobrew script to separate repo

1.0

- Add workaround for poppler landscape truncation bug (fixes #7)

0.5

- Rebuild poppler on Windows to support PDF rendering

0.4

- Update Homebrew URL in configure script.

- Fix autobrew (rename libopenjepg -> libopenjp2)

- Update libpoppler 0.46 for Windows

0.3

- Update libpoppler 0.42 for Windows

- Use the COMPILED_BY variable on Windows to support R 3.3

0.2

- Switch pdf_render_page to 1 based indexing

- Fix for red/blue channel mixup in pdf_render_page

- Update example to use local PDF file

0.1

- Initial release