Struct Extensions 

pub struct Extensions {

    pub blank_before_header: bool,
    pub header_attributes: bool,
    pub auto_identifiers: bool,
    pub gfm_auto_identifiers: bool,
    pub implicit_header_references: bool,
    pub blank_before_blockquote: bool,
    pub fancy_lists: bool,
    pub startnum: bool,
    pub example_lists: bool,
    pub task_lists: bool,
    pub definition_lists: bool,
    pub lists_without_preceding_blankline: bool,
    pub backtick_code_blocks: bool,
    pub fenced_code_blocks: bool,
    pub fenced_code_attributes: bool,
    pub executable_code: bool,
    pub rmarkdown_inline_code: bool,
    pub quarto_inline_code: bool,
    pub inline_code_attributes: bool,
    pub simple_tables: bool,
    pub multiline_tables: bool,
    pub grid_tables: bool,
    pub pipe_tables: bool,
    pub table_captions: bool,
    pub fenced_divs: bool,
    pub native_divs: bool,
    pub line_blocks: bool,
    pub intraword_underscores: bool,
    pub strikeout: bool,
    pub superscript: bool,
    pub subscript: bool,
    pub inline_links: bool,
    pub reference_links: bool,
    pub shortcut_reference_links: bool,
    pub link_attributes: bool,
    pub autolinks: bool,
    pub inline_images: bool,
    pub implicit_figures: bool,
    pub tex_math_dollars: bool,
    pub tex_math_gfm: bool,
    pub tex_math_single_backslash: bool,
    pub tex_math_double_backslash: bool,
    pub inline_footnotes: bool,
    pub footnotes: bool,
    pub citations: bool,
    pub bracketed_spans: bool,
    pub native_spans: bool,
    pub yaml_metadata_block: bool,
    pub pandoc_title_block: bool,
    pub mmd_title_block: bool,
    pub raw_html: bool,
    pub markdown_in_html_blocks: bool,
    pub raw_tex: bool,
    pub raw_attribute: bool,
    pub all_symbols_escapable: bool,
    pub escaped_line_breaks: bool,
    pub autolink_bare_uris: bool,
    pub hard_line_breaks: bool,
    pub mmd_header_identifiers: bool,
    pub mmd_link_attributes: bool,
    pub alerts: bool,
    pub emoji: bool,
    pub mark: bool,
    pub quarto_callouts: bool,
    pub quarto_crossrefs: bool,
    pub quarto_shortcodes: bool,
    pub bookdown_references: bool,
    pub bookdown_equation_references: bool,
}

Pandoc/Markdown extensions configuration. Each field represents a specific Pandoc extension. Extensions marked with a comment indicate implementation status.

Fields

blank_before_header: bool

Require blank line before headers (default: enabled)

header_attributes: bool

Full attribute syntax on headers {#id .class key=value}

auto_identifiers: bool

Auto-generate identifiers from headings

gfm_auto_identifiers: bool

Use GitHub’s algorithm for auto-generated heading identifiers

implicit_header_references: bool

Implicit header references ([Heading] links to header)

blank_before_blockquote: bool

Require blank line before blockquotes (default: enabled)

fancy_lists: bool

Fancy list markers (roman numerals, letters, etc.)

startnum: bool

Start ordered lists at arbitrary numbers

example_lists: bool

Example lists with (@) markers

task_lists: bool

GitHub-style task lists - [ ] and - [x]

definition_lists: bool

Term/definition syntax

lists_without_preceding_blankline: bool

Allow lists without a preceding blank line

backtick_code_blocks: bool

Fenced code blocks with backticks

fenced_code_blocks: bool

Fenced code blocks with tildes

fenced_code_attributes: bool

Attributes on fenced code blocks {.language #id}

executable_code: bool

Executable code syntax (currently fenced chunks like {r} / {python})

rmarkdown_inline_code: bool

R Markdown inline executable code (...r …)

quarto_inline_code: bool

Quarto inline executable code (...{r} …)

inline_code_attributes: bool

Attributes on inline code

simple_tables: bool

Simple table syntax

multiline_tables: bool

Multiline cell content in tables

grid_tables: bool

Grid-style tables

pipe_tables: bool

Pipe tables (GitHub/PHP Markdown style)

table_captions: bool

Table captions

fenced_divs: bool

Fenced divs ::: {.class}

native_divs: bool

HTML

elements

line_blocks: bool

Line blocks for poetry | prefix

intraword_underscores: bool

Underscores don’t trigger emphasis in snake_case

strikeout: bool

Strikethrough text

superscript: bool

Superscript and subscript ^super^ sub

subscript: bool

inline_links: bool

Inline links text

reference_links: bool

Reference links [text][ref]

shortcut_reference_links: bool

Shortcut reference links [ref] without second []

link_attributes: bool

Attributes on links text{.class}

autolinks: bool

Automatic links http://example.com

inline_images: bool

Inline images

implicit_figures: bool

Paragraph with just image becomes figure

tex_math_dollars: bool

Dollar-delimited math $x$ and $$equation$$

tex_math_gfm: bool

[NON-DEFAULT] GFM math: inline $...$ and fenced ``` math blocks

tex_math_single_backslash: bool

[NON-DEFAULT] Single backslash math (…) and […] (RMarkdown default)

tex_math_double_backslash: bool

[NON-DEFAULT] Double backslash math \(…\) and \[…\]

inline_footnotes: bool

Inline footnotes ^[text]

footnotes: bool

Reference footnotes [^1] (requires footnote parsing)

citations: bool

Citation syntax [@cite]

bracketed_spans: bool

Bracketed spans [text]{.class}

native_spans: bool

HTML elements

yaml_metadata_block: bool

YAML metadata block

pandoc_title_block: bool

Pandoc title block (Title/Author/Date)

mmd_title_block: bool

[NON-DEFAULT] MultiMarkdown metadata/title block (Key: Value …)

raw_html: bool

Raw HTML blocks and inline

markdown_in_html_blocks: bool

Markdown inside HTML blocks

raw_tex: bool

LaTeX commands and environments

raw_attribute: bool

Generic raw blocks with {=format} syntax

all_symbols_escapable: bool

Backslash escapes any symbol

escaped_line_breaks: bool

Backslash at line end = hard line break

autolink_bare_uris: bool

[NON-DEFAULT] Bare URLs become links

hard_line_breaks: bool

[NON-DEFAULT] Newline =

mmd_header_identifiers: bool

[NON-DEFAULT] MultiMarkdown style heading identifiers [my-id]

mmd_link_attributes: bool

[NON-DEFAULT] MultiMarkdown key=value attributes on reference defs

alerts: bool

[NON-DEFAULT] GitHub/CommonMark alerts in blockquotes (> [!NOTE])

emoji: bool

[NON-DEFAULT] :emoji: syntax

mark: bool

[NON-DEFAULT] Highlighted ==text==

quarto_callouts: bool

Quarto callout blocks (.callout-note, etc.)

quarto_crossrefs: bool

Quarto cross-references @fig-id, @tbl-id

quarto_shortcodes: bool

Quarto shortcodes {{< name args >}}

bookdown_references: bool

Bookdown references @ref(label) and (#label)

bookdown_equation_references: bool

Bookdown equation references in LaTeX math blocks (#eq:label)

Implementations

impl Extensions

pub fn for_flavor(flavor: Flavor) -> Self

Get the default extension set for a given flavor.

pub fn merge_with_flavor( user_overrides: HashMap<String, bool>, flavor: Flavor, ) -> Self

Merge user-specified extension overrides with flavor defaults.

This is used to support partial extension overrides in config files. For example, if a user specifies flavor = "quarto" and then sets [extensions] quarto-crossrefs = false, we want all other extensions to use Quarto defaults, not Pandoc defaults.

Arguments

• user_overrides - Map of extension names to their user-specified values
• flavor - The flavor to use for default values

Returns

A new Extensions struct with flavor defaults merged with user overrides

Trait Implementations

impl Clone for Extensions

fn clone(&self) -> Extensions

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Extensions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Extensions

fn default() -> Self

Returns the “default value” for a type.

impl PartialEq for Extensions

fn eq(&self, other: &Extensions) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Extensions