Changes in version 0.4.1 (2021-01-10)                  

NEW FEATURES

    o   Added the table of contents box to the hpstr theme.

    o   Added the toc-title option to the hpstr theme, thanks to
	@marlycormar (#23).

BUG FIXES

    o   Fixed the validity of HTML templates for the hpstr and leonids
	themes, reported by @grady (#22).

    o   Tweaks for the hpstr theme.

                 Changes in version 0.4.0 (2020-08-10)                  

NEW FEATURES

    o   The cayman, architect, and tactile themes now show a shaded box
	for the table of contents (TOC).

    o   Users can specify the title for TOC via the top-level YAML
	option toc-title (#20).  See the vignettes for examples.

    o   Updated KaTeX to v0.12.0.

BUG FIXES

    o   The cayman, architect, and tactile themes are now developed
	using Sass for better element control.

    o   Tweaks for the cayman, architect, and tactile themes.

                 Changes in version 0.3.1 (2019-11-23)                  

BUG FIXES

    o   prettydoc now depends on rmarkdown >= 1.17 to fix the bug of
	not properly cleaning temporary files, reported by
	@bernardkaplan (#15).

    o   Fixed a bug caused by Pandoc that makes the code block
	unselectable, reported by @RemPsyc (#16).

                 Changes in version 0.3.0 (2019-07-18)                  

NEW FEATURES

    o   New option math to choose math expression rendering engines.
	Possible values are mathjax and katex. The katex engine
	supports offline rendering of math expressions when there is no
	internet connection.

                 Changes in version 0.2.1 (2018-01-16)                  

BUG FIXES

    o   Fixed errors in building the vignette.

                 Changes in version 0.2.0 (2016-09-01)                  

NEW FEATURES

    o   New themes leonids and hpstr.

    o   New option compressed_css to allow users selecting between the
	original CSS and the compressed one processed by
	<https://csscompressor.com/>.

BUG FIXES

    o   Fixed the alignment of Table of Contents (#3).

    o   Fixed the incorrect link to CSS file when self_contained is
	false (#4).

                 Changes in version 0.1.0 (2016-08-11)                  

NEW FEATURES

    o   Initial release.

    o   Includes themes cayman, tactile and architect.

    o   Includes syntax highlight styles github and vignette.