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The module is shipped with LPeg.
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Closes #7672.
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Reader options can now be passed as an optional third argument to
`pandoc.read`. The object can either be a table or a ReaderOptions value
like `PANDOC_READER_OPTIONS`. Creating new ReaderOptions objects is
possible through the new constructor `pandoc.ReaderOptions`.
Closes: #7656
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New module Text.Pandoc.Readers.Custom, exporting
readCustom [API change].
Users can now do `-f myreader.lua` and pandoc will treat the
script myreader.lua as a custom reader, which parses an input
string to a pandoc AST, using the pandoc module defined for
Lua filters.
A sample custom reader can be found in data/reader.lua.
Closes #7669.
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* Support for <indexterm>s when reading DocBook
* Update implementation status of `<n-ary>` tags
* Remove non-idiomatic parentheses
* More complete `<indexterm>` support, with tests
Co-authored-by: Rowan Rodrik van der Molen <rowan@ytec.nl>
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Compiles the 'lpeg' library (Parsing Expression Grammars For Lua) into
the program.
Package maintainers may choose to rely on package dependencies to make
lpeg available, in which case they can compile the with the constraint
`lpeg +rely-on-shared-lpeg-library`.
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Closes: #7658
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This is just a small improvement in terms of performance,
but it's simpler and more direct code.
Also, we avoid parsing interparagraph spaces in balanced
brackets, as the original did.
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This fixes a regression introduced in pandoc 2.15 by PR #7606.
Closes #7655.
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Fixes a regression introduced in 2.15.
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Fixes a regression introduced in 2.15.
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This ensures that when `SOURCE_DATE_EPOCH` is set, the
modification times of files taken from the reference.docx will
be set deterministically, allowing for reproducible builds.
Closes #7654.
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Fixes a regression introduced in 2.15 which required users to always
specify an Attr value when constructing a Code element.
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Comparisons of Citation values are performed in Haskell; values are
equal if they represent the same Haskell value. Converting a Citation
value to a string now yields its native Haskell string representation.
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This was a regression introduced in version 2.15.
Fixes: #7647
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This is needed so that native references to the figure are included as
"As seen in Figure X, it is..." instead of
"As seen in [Figure: , it is..."
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This will make it easier to generate module documentation in the future.
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Removal of these properties from Attr values was a regression.
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E.g. "Y", "yes", which are now (with yaml library) considered
boolean values, as well as "null".
This fixes a bug with roundtripping markdown -> markdown:
```
---
foo: "true"
...
```
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- For LineEnding use lowercase constructors, e.g. `crlf`, `native`.
This was the original intent, but there was a bug in the
implementation.
- For HTMLSlideVariant use lowercase constructors.
- For ReaderOptions use e.g. `default-image-extension`
instead of `readerDefaultImageExtension` for field names.
- For Extension, use e.g. `tex_math_dollars` instead of
`Ext_tex_math_dollars` as constructor.
- For Extensions, use an array of Extensions, instead of
an object wrapping the tag `Extensions` and an integer.
(The representation is not supposed to be part of the
public API.)
- For Opt, use field names like `tab-stop` instead of `optTabStop`.
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Reasons:
- Performance: HsYAML is around 20 times slower in parsing
large YAML bibliographies (#6084).
- An issue was submitted to HsYAML, but it hasn't gotten
any attention. HsYAML seems borderline unmaintained; it hasn't
had a commit in over a year.
- Unfortunately this goes back on our attempts to free ourselves
from C dependencies (#4535). But I don't see a better alternative
until a better pure Haskell parser is available.
Closes #6084.
Notes:
- We've removed the FromYAML instances for all types that had
them, since this is a HsYAML-specific typeclass [API change].
(The yaml package just uses From/ToJSON.)
- Unlike HsYAML (in the configuration we were using), yaml
parses 'Y', 'N', 'Yes', 'No', 'On', 'Off' as boolean values.
Users may need to quote these when they are meant to be
interpreted as strings. Similarly, 'null' is parsed as
a YAML null value (and will be treated as an empty string
by pandoc rather than the string 'null'). Quoting it will
force it to be interpreted as a string.
- Some tests had to be adjusted accordingly.
- Pandoc now behaves better when the YAML metadata contains
escaping errors: instead of just falling back on treating
the section as a table, it raises a YAML parsing error.
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The `pandoc.utils.stringify` function returned empty strings when called
with a string argument.
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This led changes in link properties in Lua filters to
change the links into images!
Closes #7639.
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Properties of Block values are marshalled lazily, which generally
improves performance considerably. Script users may also notice the
following differences:
- Block element properties can no longer be accessed by numerical
indexing of the `.c` field. The `.c` property now serves as an alias
for `.content`, so some filter that used this undocumented method
for property access may continue to work, while others will need to
be updated and use proper property names.
- The marshalled Block elements now have a `show` method, and a
`__tostring` metamethod. Both return the Haskell string
representation of the element.
- Block values now have the Lua type `userdata` instead of `table`.
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Fixes: #7523
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Closes #7520.
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This includes the following user-facing changes:
- Deprecated inline constructors are removed. These are `DoubleQuoted`,
`SingleQuoted`, `DisplayMath`, and `InlineMath`.
- Attr values are no longer normalized when assigned to an Inline
element property.
- It's no longer possible to access parts of Inline elements via
numerical indexes. E.g., `pandoc.Span('test')[2]` used to give
`pandoc.Str 'test'`, but yields `nil` now. This was undocumented
behavior not intended to be used in user scripts. Use named properties
instead.
- Accessing `.c` to get a JSON-like tuple of all components no longer
works. This was undocumented behavior.
- Only known properties can be set on an element value. Trying to set a
different property will now raise an error.
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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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Previously there were two copies, in BibTeX and Locator.
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All the code we needed to put most styles and scripts into
inline style and script tags was there, but because of the
order of pattern matching, it was never being called.
Putting the catch-all clause at the end fixes the bug.
Closes #7635, closes #7367. See also #3423.
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Previously pandoc would parse
[link to (@a)](url)
as a citation; similarly
[(@a)]{#ident}
This is undesirable. One should be able to use example references
in citations, and even if `@a` is not defined as an example
reference, `[@a](url)` should be a link containing an author-in-text
citation rather than a normal citation followed by literal `(url)`.
Closes #7632.
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