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The marshaling functions for pandoc's AST are extracted into a separate
package. The package comes with a number of changes:
- Pandoc's List module was rewritten in C, thereby improving error
messages.
- Lists of `Block` and `Inline` elements are marshaled using the new
list types `Blocks` and `Inlines`, respectively. These types
currently behave identical to the generic List type, but give better
error messages. This also opens up the possibility of adding
element-specific methods to these lists in the future.
- Elements of type `MetaValue` are no longer pushed as values which
have `.t` and `.tag` properties. This was already true for
`MetaString` and `MetaBool` values, which are still marshaled as Lua
strings and booleans, respectively. Affected values:
+ `MetaBlocks` values are marshaled as a `Blocks` list;
+ `MetaInlines` values are marshaled as a `Inlines` list;
+ `MetaList` values are marshaled as a generic pandoc `List`s.
+ `MetaMap` values are marshaled as plain tables and no longer
given any metatable.
- The test suite for marshaled objects and their constructors has
been extended and improved.
- A bug in Citation objects, where setting a citation's suffix
modified it's prefix, has been fixed.
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Previously the class attribute was ignored, and the name of the role used as the class.
Closes #7699.
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The `lpeg` and `re` modules are loaded into globals of the respective
name, but they are not necessarily registered as loaded packages. This
ensures that
- the built-in library versions are preferred when setting the globals,
- a shared library is used if pandoc has been compiled without `lpeg`,
and
- the `require` mechanism can be used to load the shared library if
available, falling back to the internal version if possible and
necessary.
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This prevents the generation of invalid output.
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Closes #7683.
(PR #7684)
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The module is shipped with LPeg.
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Closes #7520.
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- Adds a new `pandoc.AttributeList()` constructor, which creates the
associative attribute list that is used as the third component of
`Attr` values. Values of this type can often be passed to constructors
instead of `Attr` values.
- `AttributeList` values can no longer be indexed numerically.
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The new HsLua version takes a somewhat different approach to marshalling
and unmarshalling, relying less on typeclasses and more on specialized
types. This allows for better performance and improved error messages.
Furthermore, new abstractions allow to document the code and exposed
functions.
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Some fields only have an instrText and no content, Pandoc didn't
understand these, causing other fields to be misunderstood because it
seemed like a field was still open when it wasn't.
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These fields, often used in tables of contents, can be a hyperlink.
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Fields delimited by fldChar elements can contain other fields. Before,
the nested fields would be ignored, except for the end, which would be
considered the end of the parent field.
To fix this issue, fields needed to be considered containing ParParts
instead of Runs, since a Run can't represent complex enough structures.
This also impacted Hyperlinks since they can originate from a field.
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In PowerPoint, the content of a top-level list is at the same level as
the content of a top-level paragraph – the only difference is that a
list style has been applied.
At the moment, the pptx writer increments the paragraph level on each
list, turning what should be top-level lists into second-level lists.
This commit changes that logic, only incrementing the paragraph level on
continuation paragraphs of lists.
- Fixes https://github.com/jgm/pandoc/issues/4828
- Fixes https://github.com/jgm/pandoc/issues/4663
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AsciiDoctor allows to request line numbering on code blocks by
using a switch on the `source` block, such as in:
```
[source%linesnum,haskell]
----
some Haskell code here
----
```
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When a paragraph has an indentation different from the parent (named)
style, it used to be considered a blockquote. But this only makes sense
when the paragraph has more indentation. So this commit adds a check
for the indentation of the parent style.
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When I added the tests for moved layouts and deleted layouts, I added
them to all tests. However, this doesn’t really give a lot more info
than having single tests, and the extra tests take up time and disk
space.
This commit removes the moved-layouts and deleted-layouts tests, in
favour of a single test for each of those scenarios.
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Otherwise everything is on one line and the diff is uninformative.
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Given how it is used, we were getting "mine" and "good"
flipped in the test results.
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Previously we used our own homespun formatting. But this
produces over-long lines that aren't ideal for diffs in tests.
Easier to use something off-the-shelf and standard.
Closes #7580.
Performance is slower by about a factor of 10, but this isn't
really a problem because native isn't suitable as a serialization
format. (For serialization you should use json, because the reader
is so much faster than native.)
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In PowerPoint, it’s possible to specify footers across all slides,
containing a date (optionally automatically updated to today’s date),
the slide number (optionally starting from a higher number than 1), and
static text. There’s also an option to hide the footer on the title
slide.
Before this commit, none of that footer content was pulled through from
the reference doc: this commit supports all the functionality listed
above.
There is one behaviour which may not be immediately obvious: if the
reference doc specifies a fixed date (i.e. not automatically updating),
and there’s a date specified in the metadata for the document, the
footer date is replaced by the metadata date.
- Include date, slide number, and static footer content from reference
doc
- Respect “slide number starts from” option
- Respect “Don’t show on title slide” option
- Add tests
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In the reveal-js output, it’s possible to use reveal’s
`data-background-image` class on a slide’s title to specify a background
image for the slide.
With this commit, it’s possible to use `background-image` in the same
way for pptx output. Only the “stretch” mode is supported, and the
background image is centred around the slide in the image’s larger axis,
matching the observed default behaviour of PowerPoint.
- Support `background-image` per slide.
- Add tests.
- Update manual.
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- Support -i option
- Support incremental/noincremental divs
- Support older block quote syntax
- Add tests
One thing not clear from the manual is what should happen when the input
uses a combination of these things. For example, what should the
following produce?
```md
::: {.incremental .nonincremental}
- are
- these
- incremental?
:::
::: incremental
::::: nonincremental
- or
- these?
:::::
:::
::: nonincremental
> - how
> - about
> - these?
:::
```
In this commit I’ve taken the following approach, matching the observed
behaviour for beamer and reveal.js output:
- if a div with both classes, incremental wins
- the innermost incremental/nonincremental div is the one which takes
effect
- a block quote containing a list as its first element inverts whether
the list is incremental, whether or not the quote is inside an
incremental/non-incremental div
I’ve added some tests to verify this behaviour.
This commit closes issue #5689
(https://github.com/jgm/pandoc/issues/5689).
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There was a mistake in the logic used to choose between the Comparison
and Two Content layouts: if one column contained only non-text (an image
or a table) and the other contained only text, the Comparison layout was
chosen instead of the desired Two Content layout.
This commit fixes that logic:
> If either column contains text followed by non-text, use Comparison.
Otherwise, use Two Content.
It also adds a test asserting this behaviour.
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The HTML writer now supports `EndOfBlock`, `EndOfSection`, and
`EndOfDocument` for reference locations. EPUB and HTML slide
show formats are also affected by this change.
This works similarly to the markdown writer, but with special care
taken to skipping section divs with what regards to the block level.
The change also takes care to not modify the output if `EndOfDocument`
is used.
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Until now, the pptx writer only supported four slide layouts: “Title
Slide” (used for the automatically generated metadata slide), “Section
Header” (used for headings above the slide level), “Two Column” (used
when there’s a columns div containing at least two column divs), and
“Title and Content” (used for all other slides).
This commit adds support for three more layouts: Comparison, Content
with Caption, and Blank.
- Support “Comparison” slide layout
This layout is used when a slide contains at least two columns, at
least one of which contains some text followed by some non-text (e.g.
an image or table). The text in each column is inserted into the
“body” placeholder for that column, and the non-text is inserted into
the ObjType placeholder. Any extra content after the non-text is
overlaid on top of the preceding content, rather than dropping it
completely (as currently happens for the two-column layout).
+ Accept straightforward test changes
Adding the new layout means the “-deleted-layouts” tests have an
additional layout added to the master and master rels.
+ Add new tests for the comparison layout
+ Add new tests to pandoc.cabal
- Support “Content with Caption” slide layout
This layout is used when a slide’s body contains some text, followed by
non-text (e.g. and image or a table). Before now, in this case the image
or table would break onto a new slide: to get that output again, users
can add a horizontal rule before the image or table.
+ Accept straightforward tests
The “-deleted-layouts” tests all have an extra layout and relationship
in the master for the Content with Caption layout.
+ Accept remove-empty-slides test
Empty slides are still removed, but the Content with Caption layout is
now used.
+ Change slide-level-0/h1-h2-with-text description
This test now triggers the content with caption layout, giving a
different (but still correct) result.
+ Add new tests for the new layout
+ Add new tests to the cabal file
- Support “Blank” slide layout
This layout is used when a slide contains only blank content (e.g.
non-breaking spaces). No content is inserted into any placeholders in
the layout.
Fixes #5097.
+ Accept straightforward test changes
Blank layout now copied over from reference doc as well, when
layouts have been deleted.
+ Add some new tests
A slide should use the blank layout if:
- It contains only speaker notes
- It contains only an empty heading with a body of nbsps
- It contains only a heading containing only nbsps
- Change ContentType -> Placeholder
This type was starting to have a constructor for each placeholder on
each slide (e.g. `ComparisonUpperLeftContent`). I’ve changed it
instead to identify a placeholder by type and index, as I think that’s
clearer and less redundant.
- Describe layout-choosing logic in manual
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- Use dashes consistently rather than underscores
- Make a folder for each set of tests
- List test files explicitly (Cabal doesn’t support ** until version
2.4)
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Before this commit, the pptx writer adds a slide break before any table,
“columns” div, or paragraph starting with an image, unless the only
thing before it on the same slide is a heading at the slide level. In
that case, the item and heading are kept on the same slide, and the
heading is used as the slide title (inserted into the layout’s “title”
placeholder).
However, if the slide level is set to 0 (as was recently enabled) this
makes it impossible to have a slide with a title which contains any of
those items in its body.
This commit changes this behaviour: now if the slide level is 0, then
items will be kept with a heading of any level, if the heading’s the
only thing before the item on the same slide.
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These can make the test output confusing, making people think
tests are failing when they're passing.
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Until now, users had to make sure that their reference doc contains
layouts in a specific order: the first four layouts in the file had to
have a specific structure, or else pandoc would error (or sometimes
successfully produce a pptx file, which PowerPoint would then fail to
open).
This commit changes the layout selection to use the layout names rather
than order: users must make sure their reference doc contains four
layouts with specific names, and if a layout with the right name isn’t
found pandoc will output a warning and use the corresponding layout from
the default reference doc as a fallback.
I believe the use of names rather than order will be clearer to users,
and the clearer errors will help them troubleshoot when things go wrong.
- Add tests for moved layouts
- Add tests for deleted layouts
- Add newly included layouts to slideMaster1.xml to fix tests
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The `cdLine` field gives the line of the file some CData was found on. I
don’t think this is a difference that should fail these golden tests, as
the XML should still be parsable if nothing else has changed.
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I had some failing tests and couldn’t tell what was different in the
XML. Updating the comparison to return what’s different made it easier
to figure out what was wrong, and I think will be helpful for others in
future.
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Added an extension `short_subsuperscripts` which modifies the behavior
of `subscript` and `superscript`, allowing subscripts or superscripts containing only
alphanumerics to end with a space character (eg. `x^2 = 4` or `H~2 is
combustible`). This improves support for multimarkdown. Closes #5512.
Add `Ext_short_subsuperscripts` constructor to `Extension` [API change].
This is enabled by default for `markdown_mmd`.
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Figure and table numbers are now only included if `native_numbering`
is enabled. (By default it is disabled.) This is a behavior change
with respect to 2.14.1, but the behavior is that of previous versions.
The change was necessary to avoid incompatibilities between pandoc's
native numbering and third-party cross reference filters like
pandoc-crossref.
Closes #7499.
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This gives a diff output on failure.
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- `rtf` is now supported as an input format as well as output.
- New module Text.Pandoc.Readers.RTF (exporting `readRTF`). [API change]
Closes #3982.
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Preserve all attributes in img tags. If attributes have a `data-`
prefix, it will be stripped. In particular, this preserves a
`data-external` attribute as an `external` attribute in the pandoc AST.
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The numbers are added using fields, so that Word can
create a list of tables that will update automatically.
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attention, error and hint are actually just reStructuredText specific.
danger was too until introduced in DocBook 5.2: https://github.com/docbook/docbook/issues/55
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* Column spans
* Row spans
- The spec says that if the `val` attribute is ommitted, its value
should be assumed to be `continue`, and that its values are
restricted to {`restart`, `continue`}. If the value has any other
value, I think it seems reasonable to default it to `continue`. It
might cause problems if the spec is extended in the future by adding
a third possible value, in which case this would probably give
incorrect behaviour, and wouldn't error.
* Allow multiple header rows
* Include table description in simple caption
- The table description element is like alt text for a table (along
with the table caption element). It seems like we should include
this somewhere, but I’m not 100% sure how – I’m pairing it with the
simple caption for the moment. (Should it maybe go in the block
caption instead?)
* Detect table captions
- Check for caption paragraph style /and/ either the simple or
complex table field. This means the caption detection fails for
captions which don’t contain a field, as in an example doc I added
as a test. However, I think it’s better to be too conservative: a
missed table caption will still show up as a paragraph next to the
table, whereas if I incorrectly classify something else as a table
caption it could cause havoc by pairing it up with a table it’s
not at all related to, or dropping it entirely.
* Update tests and add new ones
Partially fixes: #6316
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And fix a test that failed in that way!
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Support has been added for the new
`[alias|https://example.com|smart-card]` syntax.
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In the current dev version, we will sometimes add
a version of an image with a hashed name, keeping
the original version with the original name, which
would leave to undesirable duplication.
This change separates the media's filename from the
media's canonical name (which is the path of the link
in the document itself). Filenames are based on SHA1
hashes and assigned automatically.
In Text.Pandoc.MediaBag:
- Export MediaItem type [API change].
- Change MediaBag type to a map from Text to MediaItem [API change].
- `lookupMedia` now returns a `MediaItem` [API change].
- Change `insertMedia` so it sets the `mediaPath` to
a filename based on the SHA1 hash of the contents.
This will be used when contents are extracted.
In Text.Pandoc.Class.PandocMonad:
- Remove `fetchMediaResource` [API change].
Lua MediaBag module has been changed minimally. In the future
it would be better, probably, to give Lua access to the full
MediaItem type.
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Closes: tarleb/jira-wiki-markup#10
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If a code block is defined with `<pre><code
class="language-x">…</code></pre>`, where the `<pre>` element has no
attributes, then the attributes from the `<code>` element are used
instead. Any leading `language-` prefix is dropped in the code's *class*
attribute are dropped to improve syntax highlighting.
Closes: #7221
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