commonmark

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Parse and render markdown text

Converts markdown text to several formats using John MacFarlane's cmark reference implementation. Supported output formats include html, latex, groff man, and normalized "commonmark" markdown. In addition the markdown parse tree can be returned in xml format.

Usage
markdown_html(text, hardbreaks = FALSE, smart = FALSE, normalize = FALSE,
  sourcepos = FALSE, extensions = FALSE)

markdown_xml(text, hardbreaks = FALSE, smart = FALSE, normalize = FALSE, sourcepos = FALSE, extensions = FALSE)

markdown_man(text, hardbreaks = FALSE, smart = FALSE, normalize = FALSE, width = 0, extensions = FALSE)

markdown_commonmark(text, hardbreaks = FALSE, smart = FALSE, normalize = FALSE, width = 0, extensions = FALSE)

markdown_text(text, hardbreaks = FALSE, smart = FALSE, normalize = FALSE, width = 0, extensions = FALSE)

markdown_latex(text, hardbreaks = FALSE, smart = FALSE, normalize = FALSE, width = 0, extensions = FALSE)

Arguments
text

Markdown text

hardbreaks

Treat newlines as hard line breaks. If this option is specified, hard wrapping is disabled regardless of the value given with width.

smart

Use smart punctuation. See details.

normalize

Consolidate adjacent text nodes.

sourcepos

Include source position attribute in output.

extensions

Enables Github extensions. Can be TRUE (all) FALSE (none) or a character vector with a subset of available extensions.

width

Specify wrap width (default 0 = nowrap).

Details

Support for extensions (including tables and autolink) is provided via the Github fork of cmark. For now these are opt-in and have to be enabled with the extensions parameter. See also the manual page on extensions.

When smart punctuation is enabled, straight double and single quotes will be rendered as curly quotes, depending on their position. Moreover -- will be rendered as -- (en-dash), --- will be rendered as --- (em-dash), and ... will be rendered as ... (ellipses).

Aliases
  • commonmark
  • markdown_html
  • markdown
  • markdown_xml
  • markdown_man
  • markdown_commonmark
  • markdown_text
  • markdown_latex
Examples
# NOT RUN {
md <- readLines("https://raw.githubusercontent.com/yihui/knitr/master/NEWS.md")
html <- markdown_html(md)
xml <- markdown_xml(md)
man <- markdown_man(md)
tex <- markdown_latex(md)
cm <- markdown_commonmark(md)
text <- markdown_text(md)
# }
Documentation reproduced from package commonmark, version 1.7, License: BSD_2_clause + file LICENSE

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