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Commit 8df825e

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RunDevelopmentRunDevelopment
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Added support for Systemd configuration files (#3053)
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‎components.js

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‎components.json

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"title": "Swift",
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"owner": "chrischares"
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},
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"systemd": {
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"title": "Systemd configuration file",
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"owner": "RunDevelopment"
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},
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"t4-templating": {
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"title": "T4 templating",
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"owner": "RunDevelopment"

‎components/prism-systemd.js

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// https://www.freedesktop.org/software/systemd/man/systemd.syntax.html
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(function (Prism) {
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var comment = {
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pattern: /^[;#].*/m,
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greedy: true
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};
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var quotesSource = /"(?:[^\r\n"\\]|\\(?:[^\r]|\r\n?))*"(?!\S)/.source;
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Prism.languages.systemd = {
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'comment': comment,
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'section': {
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pattern: /^\[[^\n\r\[\]]*\](?=[ \t]*$)/m,
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greedy: true,
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inside: {
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'punctuation': /^\[|\]$/,
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'section-name': {
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pattern: /[\s\S]+/,
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alias: 'selector'
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},
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}
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},
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'key': {
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pattern: /^[^\s=]+(?=[ \t]*=)/m,
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greedy: true,
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alias: 'attr-name'
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},
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'value': {
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// This pattern is quite complex because of two properties:
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// 1) Quotes (strings) must be preceded by a space. Since we can't use lookbehinds, we have to "resolve"
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// the lookbehind. You will see this in the main loop where spaces are handled separately.
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// 2) Line continuations.
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// After line continuations, empty lines and comments are ignored so we have to consume them.
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pattern: RegExp(
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/(=[ \t]*(?!\s))/.source +
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// the value either starts with quotes or not
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'(?:' + quotesSource + '|(?=[^"\r\n]))' +
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// main loop
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'(?:' + (
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/[^\s\\]/.source +
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// handle spaces separately because of quotes
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'|' + '[ \t]+(?:(?![ \t"])|' + quotesSource + ')' +
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// line continuation
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'|' + /\\[\r\n]+(?:[#;].*[\r\n]+)*(?![#;])/.source
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) +
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')*'
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),
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lookbehind: true,
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greedy: true,
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alias: 'attr-value',
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inside: {
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'comment': comment,
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'quoted': {
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pattern: RegExp(/(^|\s)/.source + quotesSource),
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lookbehind: true,
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greedy: true,
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},
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'punctuation': /\\$/m,
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'boolean': {
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pattern: /^(?:false|no|off|on|true|yes)$/,
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greedy: true
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}
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}
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},
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'operator': /=/
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};
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}(Prism));

‎components/prism-systemd.min.js

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‎examples/prism-systemd.html

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<h2>Full example</h2>
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<pre><code># Source: https://www.freedesktop.org/software/systemd/man/systemd.syntax.html
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[Section A]
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KeyOne=value 1
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KeyTwo=value 2
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# a comment
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[Section B]
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Setting="something" "some thing" "…"
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KeyTwo=value 2 \
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value 2 continued
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[Section C]
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KeyThree=value 3\
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# this line is ignored
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; this line is ignored too
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value 3 continued
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</code></pre>

‎plugins/show-language/prism-show-language.js

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"sqf": "SQF: Status Quo Function (Arma 3)",
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"sql": "SQL",
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"iecst": "Structured Text (IEC 61131-3)",
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"systemd": "Systemd configuration file",
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"t4-templating": "T4 templating",
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"t4-cs": "T4 Text Templates (C#)",
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"t4": "T4 Text Templates (C#)",

‎plugins/show-language/prism-show-language.min.js

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+1-1Lines changed: 1 addition & 1 deletion
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‎tests/languages/systemd/boolean_feature.test

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foo=on
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foo=true
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foo=yes
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foo=off
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foo=false
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foo=no
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----------------------------------------------------
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[
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["key", "foo"],
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["operator", "="],
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["value", [
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["boolean", "on"]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["boolean", "true"]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["boolean", "yes"]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["boolean", "off"]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["boolean", "false"]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["boolean", "no"]
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]]
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]

‎tests/languages/systemd/comment_feature.test

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# comment
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; comment
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----------------------------------------------------
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[
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["comment", "# comment"],
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["comment", "; comment"]
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]

‎tests/languages/systemd/key_feature.test

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foo=
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foo =
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----------------------------------------------------
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[
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["key", "foo"], ["operator", "="],
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["key", "foo"], ["operator", "="]
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]

‎tests/languages/systemd/section_feature.test

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[Section Foo]
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----------------------------------------------------
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[
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["section", [
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["punctuation", "["],
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["section-name", "Section Foo"],
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["punctuation", "]"]
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]]
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]

‎tests/languages/systemd/value_feature.test

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foo= value 2
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foo="something" "some thing" "…"
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foo= "something" "some thing" "…"
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foo=value 2 \
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value 2 continued
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foo=value 3\
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# this line is ignored
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; this line is ignored too
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value 3 continued
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----------------------------------------------------
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[
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["key", "foo"], ["operator", "="], ["value", ["value 2"]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["quoted", "\"something\""],
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["quoted", "\"some thing\""],
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["quoted", "\"…\""]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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["quoted", "\"something\""],
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["quoted", "\"some thing\""],
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["quoted", "\"…\""]
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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"value 2 ", ["punctuation", "\\"],
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"\r\n value 2 continued"
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]],
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["key", "foo"],
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["operator", "="],
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["value", [
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"value 3", ["punctuation", "\\"],
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["comment", "# this line is ignored"],
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["comment", "; this line is ignored too"],
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"\r\n value 3 continued"
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]]
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]

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