Investigate potential rst grammar to include as a built-in extension (#…

…144680)

extensions/restructuredtext/.vscodeignore

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+test/**
+cgmanifest.json

extensions/restructuredtext/cgmanifest.json

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+{
+	"registrations": [
+		{
+			"component": {
+				"type": "git",
+				"git": {
+					"name": "trond-snekvik/vscode-rst",
+					"repositoryUrl": "https://github.com/trond-snekvik/vscode-rst",
+					"commitHash": "f0fe19ffde6509be52ad9267a57e1b3df665f072"
+				}
+			},
+			"license": "MIT",
+			"version": "1.5.1"
+		}
+	],
+	"version": 1
+}

extensions/restructuredtext/language-configuration.json

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+{
+	"comments": {
+		"lineComment": ".."
+	},
+	"brackets": [
+		["(", ")"],
+		["<", ">"],
+		["[", "]"]
+	],
+	"surroundingPairs": [
+		["(", ")"],
+		["<", ">"],
+		["`", "`"],
+		["*", "*"],
+		["|", "|"],
+		["[", "]"]
+	],
+	"autoClosingPairs": [
+		{ "open": "(", "close": ")" },
+		{ "open": "<", "close": ">" },
+		{ "open": "'", "close": "'"},
+		{ "open": "`", "close": "`", "notIn": ["string"]},
+		{ "open": "\"", "close": "\""},
+		{ "open": "[", "close": "]"}
+	],
+	"autoCloseBefore": ":})>`\\n ",
+	"onEnterRules": [
+		{
+			"beforeText": "^\\s*\\.\\. *$|(?<!:)::(\\s|$)",
+			"action": { "indent": "indent" }
+		}
+	],
+	"wordPattern": "[\\w-]*\\w[\\w-]*"
+}

extensions/restructuredtext/package.json

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+{
+	"name": "restructuredtext",
+	"displayName": "%displayName%",
+	"description": "%description%",
+	"version": "1.0.0",
+	"publisher": "vscode",
+	"license": "MIT",
+	"engines": {
+		"vscode": "*"
+	},
+	"scripts": {
+		"update-grammar": "node ../node_modules/vscode-grammar-updater/bin trond-snekvik/vscode-rst syntaxes/rst.tmLanguage.json ./syntaxes/rst.tmLanguage.json"
+	},
+	"contributes": {
+		"languages": [
+			{
+				"id": "restructuredtext",
+				"aliases": [
+					"reStructuredText"
+				],
+				"configuration": "./language-configuration.json",
+				"extensions": [
+					".rst"
+				]
+			}
+		],
+		"grammars": [
+			{
+				"language": "restructuredtext",
+				"scopeName": "source.rst",
+				"path": "./syntaxes/rst.tmLanguage.json"
+			}
+		]
+	},
+	"repository": {
+		"type": "git",
+		"url": "https://github.com/microsoft/vscode.git"
+	}
+}

extensions/restructuredtext/package.nls.json

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+{
+	"displayName": "reStructuredText Language Basics",
+	"description": "Provides syntax highlighting in reStructuredText files."
+}