Added |> as operator to syntax definition.
Added a new Import syntax highlighting type for package names before
:: or :::. This item type gets italic green in solarized light.
Added theme-building functions: copy_base_pandoc_theme(),
set_theme_text_style(), patch_theme_text_style(),
write_pandoc_theme().
Added third parties to DESCRIPTION (solarized, pandoc, KDE syntax definition).
Added file_code_block() for a small syntax example.
Added colors_solarized_light() for the color names.
Changed reference docx file to add a Source Code paragraph style. This
style is not part of the built-in reference docx but code blocks have this
style in the docx files created by pandoc. Customized this style so that
there is a small amount (2 pts) of padding around the code.
Fixed syntax definition highlighting so that var_1 would not spuriously
highlight the final 1.
Added a NEWS.md file to track changes to the package.
Added other usethis niceties.
Initial release.