add `pandoc` data dir
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SCRIPT_NAME = "delink.lua"
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os.setlocale("C")
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return {
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{
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Link = function(elem)
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return elem.content
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end
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}
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}
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--- Replaces plain quotation marks with typographic ones.
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--
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-- # SYNOPSIS
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--
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-- pandoc --lua-filter pandoc-quotes.lua
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--
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--
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-- # DESCRIPTION
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--
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-- pandoc-quotes.lua is a filter for pandoc that replaces non-typographic
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-- quotation marks with typographic ones for languages other than American
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-- English.
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--
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-- You can define which typographic quotation marks to replace plain ones with
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-- by setting either a document's quot-marks, quot-lang, or lang
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-- metadata field. If none of these is set, pandoc-quotes.lua does nothing.
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--
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-- You can add your own mapping of a language to quotation marks or override
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-- the default ones by setting quot-marks-by-lang.
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--
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-- ## quot-marks
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--
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-- A list of four strings, where the first item lists the primary left
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-- quotation mark, the second the primary right quotation mark, the third
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-- the secondary left quotation mark, and the fourth the secondary right
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-- quotation mark.
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--
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-- For example:
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--
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-- ```yaml
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-- ---
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-- quot-marks:
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-- - ''
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-- - ''
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-- - '
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-- - '
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-- ...
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-- ```
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--
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-- You always have to set all four.
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--
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-- If each quotation mark consists of one character only,
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-- you can write the whole list as a simple string.
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--
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-- For example:
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--
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-- ```yaml
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-- ---
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-- quot-marks: ""''
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-- ...
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-- ```
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--
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-- If quot-marks is set, the other fields are ignored.
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--
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--
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-- # quotation-lang
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--
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-- An RFC 5646-like code for the language the quotation marks of
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-- which shall be used (e.g., "pt-BR", "es").
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--
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-- For example:
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--
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-- ```yaml
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-- ---
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-- quot-lang: de-AT
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-- ...
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-- ```
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--
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-- Note: Only the language and the country tags of RFC 5646 are supported.
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-- For example, "it-CH" (i.e., Italian as spoken in Switzerland) is fine,
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-- but "it-756" (also Italian as spoken in Switzerland) will return the
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-- quotation marks for "it" (i.e., Italian as spoken in general).
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--
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-- If quot-marks is set, quot-lang is ignored.
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--
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--
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-- # lang
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--
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-- The format of lang is the same as for quot-lang. If quot-marks
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-- or quot-lang is set, lang is ignored.
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--
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-- For example:
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--
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-- ```yaml
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-- ---
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-- lang: de-AT
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-- ...
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-- ```
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--
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--
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-- # ADDING LANGUAGES
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--
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-- You can add quotation marks for unsupported languages, or override the
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-- defaults, by setting the metadata field quot-marks-by-lang to a maping
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-- of RFC 5646-like language codes (e.g., "pt-BR", "es") to lists of quotation
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-- marks, which are given in the same format as for the quot-marks
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-- metadata field.
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--
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-- For example:
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--
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-- ```yaml
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-- ---
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-- quot-marks-by-lang:
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-- abc-XYZ: ""''
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-- lang: abc-XYZ
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-- ...
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-- ```
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--
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--
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-- # CAVEATS
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--
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-- pandoc represents documents as abstract syntax trees internally, and
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-- quotations are nodes in that tree. However, pandoc-quotes.lua replaces
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-- those nodes with their content, adding proper quotation marks. That is,
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-- pandoc-quotes.lua pushes quotations from the syntax of a document's
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-- representation into its semantics. That being so, you should not
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-- use pandoc-quotes.lua with output formats that represent quotes
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-- syntactically (e.g., HTML, LaTeX, ConTexT). Moroever, filters running after
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-- pandoc-quotes won't recognise quotes. So, it should be the last or
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-- one of the last filters you apply.
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--
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-- Support for quotation marks of different languages is certainly incomplete
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-- and likely erroneous. See <https://github.com/odkr/pandoc-quotes.lua> if
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-- you'd like to help with this.
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--
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-- pandoc-quotes.lua is Unicode-agnostic.
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--
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--
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-- # SEE ALSO
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--
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-- pandoc(1)
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--
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--
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-- # AUTHOR
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--
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-- Copyright 2019 Odin Kroeger
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--
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--
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-- # LICENSE
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--
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-- Permission is hereby granted, free of charge, to any person obtaining a copy
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-- of this software and associated documentation files (the "Software"), to
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-- deal in the Software without restriction, including without limitation the
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-- rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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-- sell copies of the Software, and to permit persons to whom the Software is
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-- furnished to do so, subject to the following conditions:
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--
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-- The above copyright notice and this permission notice shall be included in
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-- all copies or substantial portions of the Software.
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--
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-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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-- FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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-- IN THE SOFTWARE.
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--
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--
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-- @script pandoc-quotes.lua
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-- @release 0.1.10
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-- @author Odin Kroeger
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-- @copyright 2018, 2020 Odin Kroeger
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-- @license MIT
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-- # INITIALISATION
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local M = {}
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local pairs = pairs
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local require = require
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local io = io
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local table = table
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local package = package
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local pandoc = pandoc
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if not pandoc.utils then pandoc.utils = require 'pandoc.utils' end
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local _ENV = M
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local text = require 'text'
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-- # CONSTANTS
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--- The name of this script.
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SCRIPT_NAME = 'pandoc-quotes.lua'
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--- The path seperator of the operating system.
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PATH_SEP = package.config:sub(1, 1)
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--- The character sequence to end a line.
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if PATH_SEP == '\\' then EOL = '\r\n'
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else EOL = '\n' end
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--- A list of mappings from RFC 5646-ish language codes to quotation marks.
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--
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-- I have adopted the list below from:
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-- <https://en.wikipedia.org/w/index.php?title=Quotation_mark&oldid=836731669>
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--
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-- I tried to come up with reasonable defaults for secondary quotes for
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-- language that, according to the Wikipedia, don't have any.
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--
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-- Adding languages:
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--
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-- Add an ordered pair, where the first item is an RFC 5646 language
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-- code (though only the language and country tags are supported) and the
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-- second item is a list of quotation marks, in the following order:
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-- primary left, primary right, secondary left, secondary right.
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--
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-- You have to list four quotation marks, even if the langauge you add does
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-- not use secondary quotation marks. Just come up with something that makes
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-- sense. This is because a user may, rightly, find that just because their
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-- language does not 'officially' have secondary quotation marks, they
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-- are going to use them anyway. And they should get a reasonable result,
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-- not a runtime error.
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--
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-- The order in which languages are listed is meaningless. If you define
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-- variants for a language that is spoken in different countries, also
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-- define a 'default' for the language alone, without the country tag.
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QUOT_MARKS_BY_LANG = {
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ar = {'”', '“', '’', '‘' },
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bs = {'”', '”', '’', '’' },
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bo = {'「', '」', '『', '』' },
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bs = {'”', '”', '’', '’' },
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cn = {'「', '」', '『', '』' },
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cs = {'„', '“', '‚', '‘' },
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cy = {'‘', '’', '“', '”' },
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da = {'»', '«', '›', '‹' },
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de = {'„', '“', '‚', '‘' },
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['de-CH'] = {'«', '»', '‹', '›' },
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el = {'«', '»', '“', '”' },
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en = {'“', '”', '‘', '’' },
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['en-US'] = {'“', '”', '‘', '’' },
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['en-GB'] = {'‘', '’', '“', '”' },
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['en-UK'] = {'‘', '’', '“', '”' },
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['en-CA'] = {'“', '”', '‘', '’' },
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eo = {'“', '”', '‘', '’' },
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es = {'«', '»', '“', '”' },
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et = {'„', '“', '‚', '‘' },
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fi = {'”', '”', '’', '’' },
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fil = {'“', '”', '‘', '’' },
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fa = {'«', '»', '‹', '›' },
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fr = {'«', '»', '‹', '›' },
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ga = {'“', '”', '‘', '’' },
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gd = {'‘', '’', '“', '”' },
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gl = {'«', '»', '‹', '›' },
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he = {'“', '”', '‘', '’' },
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hi = {'“', '”', '‘', '’' },
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hu = {'„', '”', '»', '«' },
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hr = {'„', '“', '‚', '‘' },
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ia = {'“', '”', '‘', '’' },
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id = {'“', '”', '‘', '’' },
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is = {'„', '“', '‚', '‘' },
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it = {'«', '»', '“', '”' },
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['it-CH'] = {'«', '»', '‹', '›' },
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ja = {'「', '」', '『', '』' },
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jbo = {'lu', 'li\'u', 'lu', 'li\'u'},
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ka = {'„', '“', '‚', '‘' },
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khb = {'《', '》', '〈', '〉' },
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kk = {'«', '»', '‹', '›' },
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km = {'«', '»', '‹', '›' },
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ko = {'《', '》', '〈', '〉' },
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['ko-KR'] = {'“', '”', '‘', '’' },
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lt = {'„', '“', '‚', '‘' },
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lv = {'„', '“', '‚', '‘' },
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lo = {'«', '»', '‹', '›' },
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nl = {'„', '”', '‚', '’' },
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mk = {'„', '“', '’', '‘' },
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mn = {'«', '»', '‹', '›' },
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mt = {'“', '”', '‘', '’' },
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no = {'«', '»', '«', '»' },
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pl = {'„', '”', '»', '«' },
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ps = {'«', '»', '‹', '›' },
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pt = {'«', '»', '“', '”' },
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['pt-BR'] = {'“', '”', '‘', '’' },
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rm = {'«', '»', '‹', '›' },
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ro = {'„', '”', '«', '»' },
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ru = {'«', '»', '“', '”' },
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sk = {'„', '“', '‚', '‘' },
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sl = {'»', '«', '„', '“' },
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sq = {'„', '“', '‚', '‘' },
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sr = {'„', '“', '’', '’' },
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sv = {'”', '”', '’', '’' },
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tdd = {'「', '」', '『', '』' },
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ti = {'«', '»', '‹', '›' },
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th = {'“', '”', '‘', '’' },
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thi = {'「', '」', '『', '』' },
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tr = {'«', '»', '‹', '›' },
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ug = {'«', '»', '‹', '›' },
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uk = {'«', '»', '„', '“' },
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uz = {'«', '»', '„', '“' },
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vi = {'“', '”', '‘', '’' },
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wen = {'„', '“', '‚', '‘' },
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}
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-- # FUNCTIONS
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--- Prints warnings to STDERR.
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--
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-- Prefixes messages with `SCRIPT_NAME` and ": ".
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-- Also appends an end of line sequence.
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--
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-- @tparam string str A string format to be written to STDERR.
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-- @tparam string ... Arguments to that format.
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function warn (str, ...)
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io.stderr:write(SCRIPT_NAME, ': ', string.format(str, ...), EOL)
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end
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--- Applies a function to every element of a list.
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--
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-- @tparam func f The function.
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-- @tparam tab list The list.
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-- @treturn tab The return values of `f`.
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function map (f, list)
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local ret = {}
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for k, v in pairs(list) do ret[k] = f(v) end
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return ret
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end
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do
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local stringify = pandoc.utils.stringify
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--- Reads quotation marks from a `quot-marks` metadata field.
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--
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-- @tparam pandoc.MetaValue The content of a metadata field.
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-- Must be either of type pandoc.MetaInlines or pandoc.MetaList.
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-- @treturn[1] {pandoc.Str,pandoc.Str,pandoc.Str,pandoc.Str}
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-- A table of quotation marks
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-- @treturn[2] `nil` if an error occurred.
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-- @treturn[2] string An error message.
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function get_quotation_marks (meta)
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if meta.t == 'MetaInlines' then
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local marks = stringify(meta)
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if text.len(marks) ~= 4 then
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return nil, 'not four quotation marks'
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end
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local ret = {}
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for i = 1, 4 do ret[i] = text.sub(marks, i, i) end
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return ret
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elseif meta.t == 'MetaList' then
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local marks = map(stringify, meta)
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if #marks ~= 4 then
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return nil, 'not four quotation marks'
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end
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return marks
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end
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return nil, 'neither a string nor a list'
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end
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end
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do
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local stringify = pandoc.utils.stringify
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-- Holds the quotation marks for the language of the document.
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-- Common to `configure` and `insert_quot_marks`.
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local QUOT_MARKS = nil
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--- Determines the quotation marks for the document.
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--
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-- Stores them in `QUOT_MARKS`, which it shares with `insert_quot_marks`.
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-- Prints errors to STDERR.
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--
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-- @tparam pandoc.Meta The document's metadata.
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function configure (meta)
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local quot_marks, lang
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if meta['quot-marks-by-lang'] then
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for k, v in pairs(meta['quot-marks-by-lang']) do
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local quot_marks, err = get_quotation_marks(v)
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if not quot_marks then
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warn('metadata field "quot-marks-by-lang": lang "%s": %s.',
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k, err)
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return
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end
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QUOT_MARKS_BY_LANG[k] = quot_marks
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end
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end
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if meta['quot-marks'] then
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local err
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quot_marks, err = get_quotation_marks(meta['quot-marks'])
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if not quot_marks then
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warn('metadata field "quot-marks": %s.', err)
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return
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end
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elseif meta['quot-lang'] then
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lang = stringify(meta['quot-lang'])
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elseif meta['lang'] then
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lang = stringify(meta['lang'])
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end
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if lang then
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for i = 1, 3 do
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if i == 2 then lang = lang:match '^(%a+)'
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elseif i == 3 then
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local expr = '^' .. lang .. '-'
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for k, v in pairs(QUOT_MARKS_BY_LANG) do
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if k:match(expr) then quot_marks = v break end
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end
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end
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if i < 3 then quot_marks = QUOT_MARKS_BY_LANG[lang] end
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if quot_marks then break end
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end
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end
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if quot_marks then QUOT_MARKS = map(pandoc.Str, quot_marks)
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elseif lang then warn('%s: unknown language.', lang) end
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end
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do
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local insert = table.insert
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--- Replaces quoted elements with quoted text.
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--
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-- Uses the quotation marks stored in `QUOT_MARKS`,
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-- which it shares with `configure`.
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--
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-- @tparam pandoc.Quoted quoted A quoted element.
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-- @treturn {pandoc.Str,pandoc.Inline,...,pandoc.Str}
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-- A list with the opening quote (as `pandoc.Str`),
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-- the content of `quoted`, and the closing quote (as `pandoc.Str`).
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function insert_quot_marks (quoted)
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if not QUOT_MARKS then return end
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local quote_type = quoted.quotetype
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local inlines = quoted.content
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local left, right
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if quote_type == 'DoubleQuote' then left, right = 1, 2
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elseif quote_type == 'SingleQuote' then left, right = 3, 4
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else error('unknown quote type') end
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insert(inlines, 1, QUOT_MARKS[left])
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insert(inlines, QUOT_MARKS[right])
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return inlines
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end
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end
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end
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return {{Meta = configure}, {Quoted = insert_quot_marks}}
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Binary file not shown.
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@ -0,0 +1,3 @@
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[[!meta title="$title$"]]
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$body$
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