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rmarkdown 2.8
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@yihui yihui released this 07 May 16:32
v2.8
bd9d101

  • Fix a issue with Pandoc 2.5 and latex-div.lua - documents can now be rendered as expected without error (thanks, @DAVIDWALES, #2121).

  • Fix an issue with styling and code folding button behavior when default is code-folding: show. The Button can now be correctly style according to state as aria-expanded attributes is correctly updated. Also, new classes has been added on the button to allow styling during transition: btn-collapsing and btn-expanding are respectively applied during transition Show to Hide and Hide to Show. (This follow Bootstrap behavior for the collapsible block) (thanks, @steveharoz, #2085).

  • Fix an issue with citation_package having no effect when using .md file as input to render() with latex and PDF output formats (thanks, @andrewheiss, #2113).

  • A new internal option rmarkdown.knit.ext has been added to control the extension of the intermediary knit output during a rendering. It defaults to md to produce *.knit.md. Only useful for very advanced usage (#2098).

  • render() won't produce any *.utf8.md intermediary file anymore. This was a leftover from previous versions of rmarkdown. Since knitr 1.24 and rmarkdown 2.0, only UTF-8 input files are allowed. (#2098).

  • Fix an Invalid cross-device link error when tempdir() is used for intermediates_dir in render() (thanks, @gorgitko, #2096).

  • Fix a regression in HTML default template with floating toc incorrectly placed on small size window (thanks, @grimbough, #2071)

  • Provided a runtime: shiny fix for output formats that pass a modified bslib::bs_theme() object to html_document_base()'s theme (thanks, @cpsievert, #2049).

  • Rendering using runtime: shiny_prerendered or runtime: shinyrmd will now produce valid HTML by not inserting anymore the full document as body in the resulting shiny apps (thanks, @dakep, #1912). Header content usually containing html dependencies will be inserted in the HTML document at the end of the head before </head>, unless the rendered HTML contains <!-- HEAD_CONTENT --> special comment (see htmltools::renderDocument()). A new Pandoc variable is set in for shiny prerendered document to allow conditional insertion of such content in the the HTML template using $if(shiny-prerendered)$. This has been done in all HTML template in this package. Users of custom template should make this change to provide support for this runtime. See rmarkdown default template (default.html) for an example (#2064).

  • Added tectonic as a supported LaTeX engine for generating PDF output (thanks, @dpryan79, #2078). You can specify to use this by adding engine: "tectonic" to your output format in YAML, such as pdf_document.

  • When no output_format is provided in any way but an output_file is provided in render(), the default format will be determined based on the extension: "pdf_document" for .pdf, or "word_document" for .docx. Otherwise, it will be "html_document" as previous version (thanks, @pearsonca, #1569).

  • Added a new global option rmarkdown.render.message. When set FALSE, render() will not output the message starting by Output created: allowing RStudio IDE to open a preview of the document. This is useful for package developers that would need to emit there own output message for there custom format. See ?render_site for more info on this special message (#2092).

  • Internal changes regarding Lua filters. They have now an explicit Pandoc version minimal requirement: A filter will be skipped with a warning printed by the Lua filter if this requirement is not met. For now, all filters work for Pandoc 2.1 and above (thanks, @atusy, #2088). There is also now a new mechanism to have a share Lua filter script loadable by other Lua files: render() will set the RMARKDOWN_LUA_SHARED env var to the path of Lua filter shared.lua so that other filters can access functions defined in it using dofile(os.getenv 'RMARKDOWN_LUA_SHARED'). This is for internal usage only to avoid duplication (thanks, @tarleb, #2103).

  • html_document_base gains a css argument, to which html_document's css argument is now passed. This also fix an issue when .sass or .scss files are used with this css argument when self_contained: FALSE. Moreover, sass caching mechanism can now be used when passing .sass or .scss files to the css argument (thanks, @cpsievert, #2095).

  • The fig_crop option of PDF document formats (such as pdf_document and beamer_presentation) supports the value "auto" now, which means fig_crop = TRUE when figure cropping tools pdfcrop and ghostscript are available.

  • The default value of the fig_crop option of PDF output formats has been changed from TRUE to "auto" (#2077).

  • rmarkdown::tufte_handout has been deprecated and will be removed in the future from this package. It has been moved to the tufte package since rmarkdown 0.9.5 (released on 2016-02-22). Please use tufte::tufte_handout instead.

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