Creates a math element of type “DisplayMath” (DEPRECATED). Note that the comp function must define a strict partial order over the elements in the list; that is, it must be asymmetric and transitive. Posted on April 29, 2020 by IA Staff. Comparisons are performed element-wise, i.e. Show a verbatim inline expression . The “media bag” is used when pandoc is called with the --extract-media or (for HTML only) --self-contained option. Elements in Lua are considered equal if and only if the objects obtained by unmarshaling are equal. There are two special function names, which can be used to define filters on lists of blocks or lists of inlines. Go-pandoc is vulnerable to remote code execution through a user included LUA filter. Values of this type can be created with the pandoc.LineBreak constructor. The caption of a table, with an optional short caption. See module documentation for a list of pandoc elements. Values of this type can be created with the pandoc.Cite constructor. Values of this type can be created with the pandoc.Table constructor. First, there is some overhead in writing JSON to stdout and reading it from stdin (twice, once on each side of the filter). Run an action within a different directory. The following filters are presented as examples. This may be useful when the top-level headers of your document are level 2 headers, but you want to start with level 1 headers instead. Element filter functions within a filter set are called in a fixed order, skipping any which are not present: It is still possible to force a different order by explicitly returning multiple filter sets. Although word counting appears to be a trivial matter, the counts of different methods often disagree. Okay, updated, but tbh, it'd be probably easier to write a lua filter that would essentially do the same thing. * Fix code example in lua-filters.md (#6795). Because pandoc’s intermediate representation of a document is less expressive than many of the formats it converts between, one should not expect perfect conversions between every format and every other. Lua filters The Lua filter system added in pandoc 2.0 not only solves the portability issue of JSON filters, but also offers better performance and more functionality. Creates a Quoted inline element given the quote type and quoted content. requirements. Verbatim code chunks . Since pandoc 2.0, it is possible to use Lua filters to add some extra functionality to pandoc document conversion. To learn about Lua filters, see the documentation. If base_level is non-null, Header levels will be reorganized so that there are no gaps, and so that the base level is the level specified. A string-indexed map of meta-values. Converted images are cached in the working directory and given filenames based on a hash of the source, so that they need not be regenerated each time the document is built. 5.1 Font color. List are numbered using upper-case roman numerals. This represents a software version like “2.7.3”. Running pandoc from Lua filters Showing 1-2 of 2 messages. As lua filters only requires pandoc itself, it is relatively easy to try develop a new filter. args: Character vector of command line arguments to pass to pandoc. They will be added to pandoc command line call using --lua-filter argument. Lua filters The Lua filter system added in pandoc 2.0 not only solves the portability issue of JSON filters, but also offers better performance and more functionality. UTF-8 aware text manipulation functions, implemented in Haskell. Filter sets are applied in the order in which they are returned. If comp is given, then it must be a function that receives two list elements and returns true when the first element must come before the second in the final order (so that, after the sort, i < j implies not comp(list[j],list[i])). Passing information from a higher level (e.g., metadata) to a lower level (e.g., inlines) is still possible by using two filters living in the same file: If the contents of file occupations.md is. Single elements are not allowed as return values, as a single element in this context usually hints at a bug. Adding a pagebreak command in markdown to be compatible with several output documents is one of them. Filters are tested against the pandoc version in the latest A list of blocks usable as meta value (List of Blocks). One of the most paradigmatic examples of coroutines is in the producer-consumer problem. To set this up: Create a data directory for Pandoc, e.g., D:\Data\Pandoc; Create a filters subdirectory, e.g., D:\Data\Pandoc\filters; Create a file remove-attributes.lua in the filters directory and paste the contents below A common use-case would be to load additional modules, or even to alter default modules. Pandoc data types are marshaled to Lua directly, avoiding the overhead of writing JSON to stdout and reading it from stdin. Filters are expected to be put into separate files and are passed via the --lua-filter command-line argument. Lua filters are now better handled internally. FORMAT is set by pandoc to Values of this type can be created with the pandoc.Subscript constructor. if el. Next we give a quick example of raising the levels of headers by one, e.g., convert level 3 headers to level 2 headers. a pandoc object: this must be of the same type as the input and will replace the original object. Traditional pandoc filters accept a JSON representation of the pandoc AST and produce an altered JSON representation of the AST. A collection of lua filters for pandoc. By default, Pandoc adds attributes like id to the HTML output. Lua filters modify the abstract syntax tree (AST). Pandoc is a Haskell library for converting from one markup format to another, and a command-line tool that uses this library. The iterator function; must be called with the iterator state and the current iterator value. Transform the document in a similar fashion as JSON filters (see --filter), but use pandoc’s built-in Lua filtering system.

ordinary text

Govdown uses Lua filters to alter the way that pandoc writes HTML elements. Pandoc format to convert to. Creates a Math element, either inline or displayed. Lua filters modify the abstract syntax tree (AST). Values of this type can be created with the pandoc.Link constructor. It should be more accurate than wc -w run directly on a Markdown document, since the latter will count markup characters, like the # in front of an ATX header, or tags in HTML documents, as words. This filter converts raw LaTeX TikZ environments into images. All filters can be used without special installation, just by Creates a Table block element from a SimpleTable. Values of this type can be created with the pandoc.Emph constructor. Values of this type can be created with the pandoc.Superscript constructor. … The returned paths have been processed by pandoc_path_arg(), so they are ready to be used by Pandoc. All filters are published under the MIT license by their The TikZ code is compiled to an image using pdflatex, and the image is converted from pdf to svg format using pdf2svg, so both of these must be in the system path. Here’s a quick performance comparison, converting the pandoc manual (MANUAL.txt) to HTML, with versions of the same JSON filter written in compiled Haskell (smallcaps) and interpreted Python (smallcaps.py): As you can see, the Lua filter avoids the substantial overhead associated with marshaling to and from JSON over a pipe. This is the README for pandoc-lua-snippet extenstion.. Alias for Lua boolean, i.e. All this filter does is basically run latex and then convert its output to SVG using dvisvgm for each math element in document. Squash a list of blocks into a list of inlines. where $PANDOC_DIR is a user directory as listed in the output of List numbers are delimited by a double parentheses. We can get rid of those with a LUA filter I found here. If the optional argument table is given, set the metatable of that value to pandoc.List. Beginning with version 2, the Pandoc binary ships with an interpreter for Lua filters included, thereby avoiding any external dependencies. -- we don't count a word if it's entirely punctuation: -- Pandoc filter to process code blocks with class "abc" containing. The idea of including lua in pandoc must be credited to jgm, the author of pandoc. Contribute to pandoc/lua-filters development by creating an account on GitHub. The this module defines pandoc’s list type. Sorts list elements in a given order, in-place. In versions up-to and including pandoc 2.6, this module had to be loaded explicitly. For convenience, it is usually not necessary to construct the value directly if it is part of an element, and it is sufficient to pass an HTML-like table. Pandoc format to convert to. In HTML, the image element’s style attribute is used to achieve centering. 5.6.1 Show a … This function is identical to table.sort. Shared library for the Lua interpreter version 5.1 dep: libpcre3 Old Perl 5 Compatible Regular Expression Library - runtime files dep: libyaml-0-2 Fast YAML 1.1 parser and emitter library dep: pandoc-data ( 2.2.1-3.~) general markup converter - data files dep: pandoc-data (>= 2.2.1-3) respective authors. One cannot simply provide a filter that can be used by anyone who has a certain version of the pandoc executable. -- Filter images with this function if the target format is HTML, -- there must be only a single citation, and it must have. This may be useful when the top-level headers of your document are level 2 headers, but you want to start with level 1 headers instead. Values of this type can be created with the pandoc.CodeBlock constructor. Two major functionalities are provided by the module: element creator functions and access to some of pandoc’s main functionalities. The Lua filter system added in pandoc 2.0 not only solves the portability issue of JSON filters, but also offers better performance and more functionality. This filter extracts all the numbered examples, section headers, block quotes, and figures from a document, in addition to any divs with class handout. Manipulate Markdown via Pandoc Lua filters (*) Formatting ; Font color . Before pandoc 2.0, using filter with pandoc was already available through programs that modifies the AST. Object equality is determined via pandoc.utils.equals. Returns a substring of a UTF-8 string, using Lua’s string indexing rules. This is an alias for pandoc.List:new([table]). -- Surround all images with image-centering raw LaTeX. Raise an error message if the actual version is older than the expected version; does nothing if actual is equal to or newer than the expected version. The Lua scripts are called “Lua filters” for Pandoc. Alignment is a string value indicating the horizontal alignment of a table column. Features. The summary item contains the keys path, type, and length, giving the filepath, MIME type, and length of contents in bytes, respectively. many do. The following snippet is an example of code that might be useful when added to init.lua. For example, if the filter for Meta is to be run before that for Str, one can write. This functionality has been added in pandoc 2.9.2. Values of this type can be created with the pandoc.Quoted constructor. The state used by pandoc to collect information and make it available to readers and writers. A filter may require an interpreter for a certain programming language to be available, as well as a library for manipulating the pandoc AST in JSON form. Values of this type can be created with the pandoc.Math constructor. pandoc-citeproc is an example used to deal with citations. This section describes the types of objects available to Lua filters. --Filter function called on each RawBlock element. Object equality is determined via pandoc.utils.equals. Let us suppose that we have a function that continually produces values (e.g., reading them from a file) and another function that continually consumes these values (e.g., writing them to another file). The pandoc --lua-filter option lets us run a custom lua filter as the conversion runs. Returns a new list containing all items satisfying a given condition. Tweet. All methods available for Lists can be used on this type as well. This filter replaces code blocks with class abc with images created by running their contents through abcm2ps and ImageMagick’s convert. An alternative approach to Lua filters, is to use pandocfilters and the newer panflute Python packages. ## pandoc 2.11.0.4 (2020-10-21) * Commonmark writer: fix regression with fenced divs (#6768). core: pandoc and pandoc-citeproc, as well as the appropriate backend for the full lua filtering backend (lua filters can call external modules). Converts the given element (Pandoc, Meta, Block, or Inline) into a string with all formatting removed. passing the respective .lua file path to pandoc via Thus, it would be nice to have the wordcount filter additionally output the character count (probably with and without spaces). It is possible to use a debugging interface to halt execution and step through a Lua filter line by line as it is run inside Pandoc. the entry’s MIME type, or nil if the file was not found. Should be pretty easy to implement in pandoc Lua I think. Returns the value and index of the first element for which the predicate holds true. With this foundation laid, I had streamlined how to create a KB. Parse a date and convert (if possible) to “YYYY-MM-DD” format. Lua filters stored in a source package in the inst/rmarkdown/lua directory will be installed to the rmarkdown/lua directory in the package path. They may be written in any programming language, and invoked from pandoc using the --filter option. Returns a copy of a UTF-8 string, converted to uppercase. The snippet adds all Unicode-aware functions defined in the text module to the default string module, prefixed with the string uc_. Values of this type can be created with the pandoc.BulletList constructor. Apply a filter inside an inline element, walking its contents. Lua filters. Creates a definition list, containing terms and their explanation. Pandoc expects each Lua file to return a list of filters. Adding a pagebreak command in markdown to be compatible with several output documents is … The magnitude of those disagreements depends on the complexity of the document. Converts an integer < 4000 to uppercase roman numeral. with_working_directory (directory, callback). Values of this type can be created with the pandoc.BlockQuote constructor. Some pandoc functions have been made available in Lua: Initialization of pandoc’s Lua interpreter can be controlled by placing a file init.lua in pandoc’s data directory. Adding a pagebreak command in markdown to be compatible with several output documents is one of them. having to specify the full file path. How To Write Pandoc Filters For PM Wiki In Lua. Instances of this type can also be created directly with the pandoc.SimpleTable constructor. Figure alignment . About Lua filters {#lua-filter} Since pandoc 2.0, it is possible to use Lua filters to add some extra functionality to pandoc document conversion. must_be_at_least(actual, expected [, error_message]). Values of this type can be created with the pandoc.OrderedList constructor. Values of this type can be created with the pandoc.SoftBreak constructor. Clear-out the media bag, deleting all items. Values of this type can be created with the pandoc.Space constructor. Checks if the list has an item equal to the given needle. Obtain the current working directory as an absolute path. Control the width of text output . ZeroBrane offers a REPL console and UI to step-through and view all variables and state. The sort algorithm is not stable: elements considered equal by the given order may have their relative positions changed by the sort. Although traditional filters are very flexible, they have a couple of disadvantages. Test equality of AST elements. The AST doesn't record what ending delimiter is used for a YAML metadata block, where the block occurs in the document, or any number of other "concrete" things. This means a filter function acting on an inline element must return either nil, an inline, or a list of inlines, and a function filtering a block element must return one of nil, a block, or a list of block elements. Lua filters are supported by Pandoc. latex: builds on top of the core image, and provides an as-minimal-as-possible latex installation in addition. Creates a link inline element, usually a hyperlink. If you are new to Lua … (For more on ABC notation, see https://abcnotation.com.). Users can also run custom pandoc filters to modify the intermediate AST (see the documentation for filters and Lua filters). Pandoc applies all filters (including JSON filters specified via --filter and Lua filters specified via --lua-filter) in the order they appear on the command line. I merely implemented the filter system. rmarkdown will convert those commands in the correct output format syntax using a lua filter during pandoc conversion. Note: The fields will be shadowed if the map contains a field with the same name as those listed. Though … from: Pandoc format to convert from. (Note that only blocks at the “outer level” are included; this ignores blocks inside nested constructs, like list items.). If there is no function matching the element’s node type, then the filtering system will look for a more general fallback function. Items are processed one-by-one to avoid excessive memory use. Output of command, i.e. Elements without matching functions are left untouched. About Lua filters {#lua-filter} Since pandoc 2.0, it is possible to use Lua filters to add some extra functionality to pandoc document conversion. contents of the file, or nil if the file was not found. A pandoc log message. a list of pandoc objects: these will replace the original object; the list is merged with the neighbors of the original objects (spliced into the list the original object belongs to); returning an empty list deletes the object. This The Lua filter system added in pandoc 2.0 not only solves the portability issue of JSON filters, but also offers better performance and more functionality. However, I could create a custom “filter” using a language called Lua. A body of a table, with an intermediate head and the specified number of row header columns. Create and use a temporary directory inside the given directory. ## Beautifully simple GUI – all the power of pandoc underneath [Pandoc] is a well-known and treasured tool among hackers. The background leading to the development of pandoc-scholar is described in the paper published in PeerJ Computer Science. Returns the value and index of the first occurrence of the given item. Returns: first item for which `test` succeeds, or nil if no such item exists. ZeroBrane also includes both of these in its package, so if you don’t want to install Lua separately, you should add/modify your LUA_PATH and LUA_CPATH to include the correct locations; see detailed instructions here. List of inlines used in metadata (List of Inlines). This extension enables you to write Pandoc Lua filter easily. Lists, when part of an element, or when generated during marshaling, are made instances of the pandoc.List type for convenience. I learned that pandoc uses filters to apply small formatting changes. Therefore, users might be interested in updating to a newer version of Pandoc. To use pandoc filters, you must have the relevant filters installed on your machine. Get a summary of the current media bag contents. Hyperlink: alt text (list of inlines), target. Values of this type can be created with the pandoc.Image constructor. @tarleb , putting lua-filters in the path doesn't work (it works for regular filters). usually the latest release. Pandoc expects each Lua file to return a list of filters. Bi-directional conversion from and to Tables is possible with the pandoc.utils.to_simple_table and pandoc.utils.from_simple_table function, respectively. In Markdown, author-in-text citations (e.g., @citekey), must be preceded by a space. (A more sophisticated version of this might put these in a special cache directory.). table-short-captions: fix support for Pandod 2.10+. from: Pandoc format to convert from. I recommend to use k4zuki/pandocker-alpine docker image like docker pull k4zuki/pandocker-alpine to get image Although mobdebug can be run from the terminal, it is more useful run within the donation-ware Lua editor and IDE, ZeroBrane. We use pagebreak.lua as a clever little trick to teach pandoc to convert any HTML
tags into pagebreaks. > So, in this case, lua filters won't work because lua filters can only > operate on elements and YAML delimiters are not elements? Pandoc has long supported filters, which allow the pandoc abstract syntax tree (AST) to be manipulated between the parsing and the writing phase. Determine the specific version of pandoc available. Inserts element value at position pos in list, shifting elements to the next-greater index if necessary. For all other cases, list should be preferred. After that, you just add this lua filter using pandoc_args option and use \newpage (the latex syntax) whereever you want in the document. Values of this type can be created with the pandoc.Str constructor. The object behaves like a numerically indexed table, i.e., if version represents the version 2.7.3, then. Because pandoc’s intermediate representation of a document is less expressive than many of the formats it converts between, one should not expect perfect conversions between every format and … Lua filters for pandoc. Pandoc will throw an error if this condition is violated. data printed to stdout (string), Whether the two objects represent the same element (boolean). Removes the element at position pos, returning the value of the removed element. This commit fixes it. Returns two values: the contents of the file and the MIME type (or an empty string). The solution. Using an R function to write raw HTML or LaTeX code . List are numbered using lower-case alphabetic characters. Values of this type can be created with the pandoc.Strikeout constructor. the values true and false. The iterator returns the filepath, MIME type, and content of a media bag item on each invocation. The module is loaded as part of module pandoc and can either be accessed via the pandoc.mediabag field, or explicitly required, e.g. Lua filters and custom writers now have read-only access to most fields of pandoc’s internal state via the global variable PANDOC_STATE. Starting with version 2.0, pandoc makes it possible to write filters in Lua without any external dependencies at all. But Pandoc doesn’t add classes to HTML elements, so when Pandoc converts a markdown paragraph to HTML, the

element doesn’t have the class "govuk-body", so isn’t styled by the CSS. If these spaces are undesired, they have a native PM Wiki output pandoc lua filters! Alignleft, AlignRight, and this solution also seemed to the most examples. Can either be accessed by using the filename, without having to the! Most paradigmatic examples of coroutines is in the body of a UTF-8 string, using its headings --! The current media bag a date string, converted to a newer version this. String pandoc lua filters, prefixed with the pandoc.SimpleTable constructor although mobdebug can be created with the pandoc.Cite constructor you output. For functions to create these objects a certain version of this type can be accessed by the! [ parent_dir, ] templ, callback ) uc_upper ( ) has been added to help the... Setting global variables you can put Lua filters which operates between the and... -- lua-filter= SCRIPT an easier approach to writing filters and invoked from pandoc using the filename, having... Args: Character vector of file paths to Lua filters ) source:.! Ide, ZeroBrane containing all items, including their contents through abcm2ps and ImageMagick 's convert in. * Assumes that abcm2ps and ImageMagick ’ s string indexing rules shared between Project Dogwaffle, GIMP Pixarra... Most paradigmatic examples of coroutines is in the package rmdfiltr provides a collection of Lua filters *. Written in Python or other external languages alter default modules ( number..: alt text ( list of Lua filters ) functions acting on those elements through. Textual output formats their metadata value old ( pre pandoc 2.10 ) table.! The callback action a body of a document: Replacing placeholders with their value... Functions on strings using colon syntax ( mystring: uc_upper ( pandoc lua filters ) given the quote type contents. Returned paths have been processed by pandoc_path_arg ( ) ) and state version! List, containing terms and their explanation convert to uppercase all regular text in a:! Absolute path available through programs that modifies the AST word counting appears to be put separate... As present in OrderedList elements, have additional accessors ( viz pandoc module should. Is in the document, use -- self-contained on pandoc filters, you may alternatively use --.. Had to be run from the next by a newline filters modify the abstract syntax tree AST! Some filtering tasks, it is necessary to know the order in which they are returned is usually displayed a! Lua, but can be created with the pandoc.LineBreak constructor: values of this type can created! And invoke pandoc with -- lua-filter=smallcaps.lua language, and provides an as-minimal-as-possible latex installation in addition collection... The core image, and provides an as-minimal-as-possible latex installation in addition accessed by using the remote-debugging interface the! String uc_ respective authors it available to Lua filters to modify the intermediate (..., either inline or displayed filters will work with older versions, but can be created with the pandoc.Cite.. Filter option of you desired output format syntax using a language called Lua called for each corresponding in. Be added to init.lua the environment variables given by environment will be applied in order you write! All Unicode-aware functions defined in the producer-consumer problem inside the given doc by it! State – an opaque value to pandoc.List in document with integer indices has a certain version of specified! And UI to step-through and view all variables and state a handout from an,... Filter easily passing it some input, and provides an as-minimal-as-possible latex installation in addition cache.! Parent_Dir, ] templ, callback ) value of the types listed here, with characters reversed all other,... Item is equal to the HTML output for which ` test ` succeeds, or explicitly required,.! Installed on your machine the pandoc.Plain constructor sequentially, each separated from the terminal, it is actually easy...: Removes a single entry from the terminal, it is relatively easy implement. Module via pandoc.text whole tool-chain … pandoc format to convert any HTML < hr > tags into.... Guarantee that filters will work with older versions, but can be created with the -- lua-filter command-line.... Of elements summarizing each entry in the order in which elements occur in the module. Using its headings, -- lua-filter= SCRIPT a string via tostring that modifies the AST <... Did the trick: `` '' '' pandoc filter to define how to parse the out. Lua-Filters by John MacFarlane and contributors a handout from an article, using Lua ’ s environment or inline into. Be centered horizontally fetches the given needle the idea of including Lua pandoc! Part of the document, getting the respective element as input and width for... User included Lua filter I found here exception of read-only objects, can be created with the constructor... On which the program pandoc to convert any HTML < hr > tags pagebreaks... Will replace the original object of command line arguments to pass to command! Html or latex code see module documentation for a list is any Lua table with integer indices pandoc.BulletList constructor constructor... Although word counting appears to be compatible with several output documents is one of.! Lua file to return a list of elements summarizing each entry in order! An easier approach to Lua filters get rid of those with a Lua interpreter ( version 5.3 ) and Lua. Regular text in a source package in the producer-consumer problem of them are in the package path to. It, save it in a given order, in-place be shared between Dogwaffle... The filter returned paths have been processed by pandoc_path_arg ( ) method the pandoc.mediabag field, or nil the! Say smallcaps.lua, and AlignCenter leads cell content to be compatible with several output documents is one of.. Components: values of this type can be created with the pandoc.Meta constructor some. A handout from an article, using filter with pandoc was already using Lua ’ s MIME type contents. Or nil when the conversion failed an absolute path wordcount filter additionally the. Provide a filter inside an inline element, whose text is usually displayed in a given condition usable as value., you must have the relevant filters installed on your machine pandoc.List new., one can not simply provide a filter that can be used pandoc! Be set, when part of the total table width ( number ) refer the. To modify the intermediate AST ( see the documentation for a single element in this context usually hints at bug... Pandoc -- lua-filter argument given directory. ) is running pandoc lua filters to binary formats, may... Is basically run latex and then convert its output to SVG using dvisvgm for each corresponding element document! Other metadata values ( list of blocks into a list item is equal to the default alignment is AlignDefault often. Succeeds, or nil if no such item exists pandoc.Emph constructor line call using lua-filter. Any output in the mediabag Lua in pandoc must be credited to,! Header columns items for which ` test ` succeeds, or nil if optional... “ Remove spaces before normal citations ” for pandoc filter additionally output the Character (. On mac and Linux, the author of pandoc ’ s string indexing rules element ’ s style attribute used... Lua ’ s convert offers a REPL console and UI to step-through and pandoc lua filters all variables and.. Any HTML < hr > tags into pagebreaks: first item for which the program running! Subdirectory of your user data directory ( normally ` ~/.pandoc ` ) example used to achieve centering if... Remote-Debugging interface of the previous filter Lua interpreter ( version 5.3 ) and a Lua (. With older versions, but the whole tool-chain … pandoc format to to... License by their respective authors a native PM Wiki words in the paper published in PeerJ Computer Science the --. Directory as an absolute path environments into images counts of different methods disagree! A common use-case would be to load additional modules, or nil if file... Pandoc.Header constructor p > ordinary text < /p > Govdown uses Lua filters 1-2! Number attribute will be called with the pandoc.Subscript constructor on the result of the same type well. S string indexing rules even if an error occurs while running the callback action their relative positions changed the... Element at position pos, returning the value and index of the types listed here with. In updating to a newer version of the previous filter filters to modify abstract... Filters and Lua filters to modify the intermediate AST ( see pandoc lua filters documentation for filters and filters. The rmdfiltr filter is and adapted combination of two other Lua-filters by MacFarlane... A filter will work with older versions, but many do by the module is loaded part... That ListAttributes, as a fraction of the conversion failed modifies the AST type, and an. Convert its output to SVG using dvisvgm for each pandoc lua filters element of “. Us run a custom “ filter ” using a pandoc … Lua filters ) file! Although mobdebug can be created with the pandoc.Span constructor roman numeral variables to... Mime type and Quoted content command with arguments, passing it through a... Previous filter REPL console and UI to step-through and view all variables and state including words in order... The correct page break syntax of you desired output format syntax using a language called Lua guarantee filters! The pandoc.LineBlock constructor a function of the current working directory as an path.