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path: root/src/Text/Pandoc/Writers/HTML.hs
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2019-09-08Replace Element and makeHierarchical with makeSections.John MacFarlane1-133/+100
Text.Pandoc.Shared: + Remove `Element` type [API change] + Remove `makeHierarchicalize` [API change] + Add `makeSections` [API change] + Export `deLink` [API change] Now that we have Divs, we can use them to represent the structure of sections, and we don't need a special Element type. `makeSections` reorganizes a block list, adding Divs with class `section` around sections, and adding numbering if needed. This change also fixes some longstanding issues recognizing section structure when the document contains Divs. Closes #3057, see also #997. All writers have been changed to use `makeSections`. Note that in the process we have reverted the change c1d058aeb1c6a331a2cc22786ffaab17f7118ccd made in response to #5168, which I'm not completely sure was a good idea. Lua modules have also been adjusted accordingly. Existing lua filters that use `hierarchicalize` will need to be rewritten to use `make_sections`.
2019-09-02HTML writer: use numeric character references with `--ascii`.John MacFarlane1-6/+2
Previously we used named character references with html5 output. But these aren't valid XML, and we aim to produce html5 that is also valid XHTML (polyglot markup). (This is also needed for epub3.) Closes #5718.
2019-08-25Use new doctemplates, doclayout.John MacFarlane1-18/+21
+ Remove Text.Pandoc.Pretty; use doclayout instead. [API change] + Text.Pandoc.Writers.Shared: remove metaToJSON, metaToJSON' [API change]. + Text.Pandoc.Writers.Shared: modify `addVariablesToContext`, `defField`, `setField`, `getField`, `resetField` to work with Context rather than JSON values. [API change] + Text.Pandoc.Writers.Shared: export new function `endsWithPlain` [API change]. + Use new templates and doclayout in writers. + Use Doc-based templates in all writers. + Adjust three tests for minor template rendering differences. + Added indentation to body in docbook4, docbook5 templates. The main impact of this change is better reflowing of content interpolated into templates. Previously, interpolated variables were rendered independently and intepolated as strings, which could lead to overly long lines. Now the templates interpolated as Doc values which may include breaking spaces, and reflowing occurs after template interpolation rather than before.
2019-07-28Use doctemplates 0.3, change type of writerTemplate.John MacFarlane1-1/+1
* Require recent doctemplates. It is more flexible and supports partials. * Changed type of writerTemplate to Maybe Template instead of Maybe String. * Remove code from the LaTeX, Docbook, and JATS writers that looked in the template for strings to determine whether it is a book or an article, or whether csquotes is used. This was always kludgy and unreliable. To use csquotes for LaTeX, set `csquotes` in your variables or metadata. It is no longer sufficient to put `\usepackage{csquotes}` in your template or header includes. To specify a book style, use the `documentclass` variable or `--top-level-division`. * Change template code to use new API for doctemplates.
2019-07-24HTML writer: ensure TeX formulas are rendered correctly (#5658)Philip Pesca1-1/+1
The web service passed in to `--webtex` may render formulas using inline or display style by default. Prefixing formulas with the appropriate command ensures they are rendered correctly. This is a followup to the discussion in #5656.
2019-07-23HTML writer: render inline formulas correctly with --webtex (#5656)Philip Pesca1-1/+4
We add `\textstyle` to the beginning of the formula to ensure it will be rendered in inline style. Closes #5655.
2019-07-18HTML writer: ensure that line numbers in code blocks get id-prefix.John MacFarlane1-3/+5
Closes #5650.
2019-07-12Pass through aria- attributes to HTML5.John MacFarlane1-0/+1
Also document addition of data- prefix to unknown attributes. Closes #5646.
2019-05-29HTML writer: output video and audio elementsmb211-30/+22
depending on file extension of the image path
2019-05-28HTML writer: emit empty alt tag in figures (#5518)Mauro Bieg1-1/+1
The same text is already in the <figcaption> and screen-readers would read it twice, see #4737
2019-05-04HTML writer: don't add variation selector if it's already there.John MacFarlane1-1/+4
See f11d0c9dc8b61cc38e138aaecb0f0094add3465a This fixes round-trip failures.
2019-04-30HTML: prevent gratuitious emojification on iOS.John MacFarlane1-1/+10
iOS chooses to render a number of Unicode entities, including '↩', as big colorful emoji. This can be defeated by appending Unicode VARIATION SELECTOR-15'/'VARIATION SELECTOR-16'. So we now append this character when escaping strings, for both '↩' and '↔'. If other characters prove problematic, they can simply be added to needsVariationSelector. Closes #5469.
2019-04-20HTML writer: Add class="heading" to level 7+ Headers...John MacFarlane1-1/+1
rendered as p tags. Closes #5457.
2019-03-28HTML writer: Don't add data- prefix to RDFa attributes.John MacFarlane1-2/+19
Closes #5403.
2019-03-01HTML writer: include content under title slides.John MacFarlane1-7/+9
This facilitates real 2D revealjs slideshows, with content under the top-level slide in each stack. It also enables notes on title slides. Closes #4317 and #5237.
2019-03-01Remove license boilerplate.John MacFarlane1-18/+0
The haddock module header contains essentially the same information, so the boilerplate is redundant and just one more thing to get out of sync.
2019-02-10Implement aria roles doc-bibliography, doc-biblioentry, doc-biblioref.John MacFarlane1-2/+10
Note that doc-biblioref is only used when link-citations produces links, since it belongs on links. See #4213.
2019-02-04Add missing copyright notices and remove license boilerplate (#5112)Albert Krewinkel1-2/+2
Quite a few modules were missing copyright notices. This commit adds copyright notices everywhere via haddock module headers. The old license boilerplate comment is redundant with this and has been removed. Update copyright years to 2019. Closes #4592.
2019-02-02HTML5 writer: implement WAI-ARIA roles for (end)notes.John MacFarlane1-12/+25
See #4213.
2019-01-07revealjs writer: fix some section nesting corner cases.John MacFarlane1-6/+13
* Ensure that we don't get > 2 levels of section nesting, even with slide level > 2. * If slide level == N but there is no N-level header, make sure the next header with level > N gets treated as a slide and put in a section, rather than remaining loose. Closes #5168.
2019-01-02Implement task lists (#5139)Mauro Bieg1-2/+20
Closes #3051
2018-11-21HTML writer: use plain `"` instead of `&quot;` outside of attributes.John MacFarlane1-1/+2
2018-11-01HTML writer: use character entities references when possible for HTML5.John MacFarlane1-2/+8
2018-10-04KaTeX: don't use autorenderer.John MacFarlane1-5/+5
We no longer surround formulas with `\(..\)` or `\[..\]` and rely on the autorenderer. Instead, we tell katex to convert the contents of span elements with class "math". Since math has already been identified, this avoids wasted time parsing for LaTeX delimiters. Note, however, that this may yield unexpected results if you have span elements with class "math" that don't contain LaTeX math. Also, use latest version of KaTeX by default (0.9.0). Closes #4946.
2018-09-30Implement `--ascii` (`writerPreferAscii`) in writers, not App.John MacFarlane1-7/+11
Now the `write*` functions for Docbook, HTML, ICML, JATS, Man, Ms, OPML are sensitive to `writerPreferAscii`. Previously the to-ascii translation was done in Text.Pandoc.App, and thus not available to those using the writer functions directly. In addition, the LaTeX writer is now sensitive to `writerPreferAscii` and to `--ascii`. 100% ASCII output can't be guaranteed, but the writer will use commands like `\"{a}` and `\l` whenever possible, to avoid emiting a non-ASCII character. A new unexported module, Text.Pandoc.Groff, has been added to store functions used in the different groff-based writers.
2018-09-27HTML writer: avoid adding extra section nestings for revealjs.John MacFarlane1-1/+1
Previously revealjs title slides at level (slidelevel - 1) were nested under an extra section element, even when the section contained no additional (vertical) content. That caused problems for some transition effects. See hakimel/reveal.js#1947.
2018-09-27HTML writer: omit unknown attributes in EPUB2 output.John MacFarlane1-8/+140
This allows users to include `epub:type` attributes, which will be passed through to epub3 but not epub2.
2018-09-19Markdown reader: distinguish autolinks in the AST.John MacFarlane1-5/+2
With this change, autolinks are parsed as Links with the `uri` class. (The same is true for bare links, if the `autolink_bare_uris` extension is enabled.) Email autolinks are parsed as Links with the `email` class. This allows the distinction to be represented in the URI. Formerly the `uri` class was added to autolinks by the HTML writer, but it had to guess what was an autolink and could not distinguish `[http://example.com](http://example.com)` from `<http://example.com>`. It also incorrectly recognized `[pandoc](pandoc)` as an autolink. Now the HTML writer simply passes through the `uri` attribute if it is present, but does not add anything. The Textile writer has been modified so that the `uri` class is not explicitly added for autolinks, even if it is present. Closes #4913.
2018-09-11HTML writer: always output <dt> element, even if it is emptyAlexander Krotov1-3/+1
Fixes #4883
2018-08-08HTML writer: Don't prefix epub: attributes with data-.John MacFarlane1-0/+1
2018-06-12reveal.js writer and template: reuse mathjax URL...John MacFarlane1-5/+6
...provided by the argument to `--mathjax` or the normal pandoc default, rather than a hard-coded one in the template. Closes #4701.
2018-05-09Restored and undeprecated gladtex for HTML math.John MacFarlane1-1/+8
- Added `GladTeX` constructor to `Text.Pandoc.Options.HTMLMathMethod` [API change, reverts removal in v2.2] - Restored and undeprecated `--gladtex` option, removed in v2.2. Closes #4607.
2018-05-09Fix regression with tex math environments in HTML + MathJax.John MacFarlane1-11/+5
Closes #4639.
2018-05-07HTML writer: Strip links from headers when creating TOC.John MacFarlane1-4/+12
Otherwise the TOC entries will not link to the sections. Closes #4340.
2018-04-25Removed deprecated ancient HTML math methods.John MacFarlane1-25/+0
Removed `--latexmathml`, `--gladtex`, `--mimetex`, `--jsmath`, `-m`, `--asciimathml` options. Removed `JsMath`, `LaTeXMathML`, and `GladTeX` constructors from `Text.Pandoc.Options.HTMLMathMethod` [API change]. Removed unneeded data file LaTeXMathML.js and updated tests. Bumped version to 2.2.
2018-03-30EPUB writer: add epub:type="footnotes" to notes section in EPUB3.John MacFarlane1-0/+5
Closes #4489.
2018-03-18Use NoImplicitPrelude and explicitly import Prelude.John MacFarlane1-0/+2
This seems to be necessary if we are to use our custom Prelude with ghci. Closes #4464.
2018-03-17Work around Monoid/Semigroup-related compiler errors GHC 7.10.John MacFarlane1-13/+12
2018-03-16Monoid/Semiground cleanup relying on custom Prelude.John MacFarlane1-1/+0
2018-02-22Presentations: Use divs to set incremental/non-incrementalJesse Rosenthal1-7/+16
Currently, html and beamer presentations use a list-inside-blockquote convention for setting incremental and all-at-once presentation of lists (or reversing the command-line default). This allows the user to set this on a per-case basis with divs, named `incremental` and `nonincremental` respectively, as in: ::: incremental - snap - crackle - pop ::: Note that the former list-inside-blockquote convention still works so as not to break any existing presentations. Closes: #4381
2018-01-19Conditional import to avoid warning.John MacFarlane1-2/+5
2018-01-19hlint code improvements.John MacFarlane1-6/+7
2018-01-09HTML writer: Fixed footnote backlinks with --id-prefix.John MacFarlane1-1/+1
Closes #4235.
2018-01-05Update copyright notices to include 2018Albert Krewinkel1-2/+2
2017-12-26HTML writer: Use br elements in line blocks...John MacFarlane1-2/+1
instead of relying on CSS. Closes #4162. HTML-based templates have had the custom CSS for div.line-block removed. Those maintaining custom templates will want to remove this too. We still enclose line blocks in a div with class line-block.
2017-12-04Add `empty_paragraphs` extension.John MacFarlane1-5/+9
* Deprecate `--strip-empty-paragraphs` option. Instead we now use an `empty_paragraphs` extension that can be enabled on the reader or writer. By default, disabled. * Add `Ext_empty_paragraphs` constructor to `Extension`. * Revert "Docx reader: don't strip out empty paragraphs." This reverts commit d6c58eb836f033a48955796de4d9ffb3b30e297b. * Implement `empty_paragraphs` extension in docx reader and writer, opendocument writer, html reader and writer. * Add tests for `empty_paragraphs` extension.
2017-12-03Removed unnecessary import.John MacFarlane1-1/+1
2017-12-03HTML writer: export tagWithAttributes.John MacFarlane1-2/+19
This is a helper allowing other writers to create single HTML tags.
2017-11-02Improved support for columns in HTML.John MacFarlane1-5/+2
* Move as much as possible to the CSS in the template. * Ensure that all the HTML-based templates (including epub) contain the CSS for columns. * Columns default to 50% width unless they are given a width attribute. Closes #4028.
2017-11-02Use latest skylighting; ensure no duplicate ids on code lines.John MacFarlane1-3/+11
The line identifiers are built using the code block's identifier as a prefix. If the code block has null identifier, we use "cb1", "cb2", etc. Closes #4031.
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