Fix language mode for script and style blocks in markdown

Fixes #34602

extensions/markdown/package.json

@@ -43,8 +43,11 @@
 				"scopeName": "text.html.markdown",
 				"path": "./syntaxes/markdown.tmLanguage",
 				"embeddedLanguages": {
+					"meta.embedded.block.html": "html",
+					"source.js": "javascript",
+					"source.css": "css",
+
 					"meta.embedded.block.css": "css",
-					"meta.embedded.block.basic": "basic",
 					"meta.embedded.block.ini": "ini",
 					"meta.embedded.block.java": "java",
 					"meta.embedded.block.lua": "lua",

extensions/markdown/syntaxes/gulpfile.js

@@ -7,7 +7,7 @@ var rename = require('gulp-rename');
 
 const languages = [
 	{ name: 'css', language: 'css', identifiers: ['css', 'css.erb'], source: 'source.css' },
-	{ name: 'basic', language: 'basic', identifiers: ['html', 'htm', 'shtml', 'xhtml', 'inc', 'tmpl', 'tpl'], source: 'text.html.basic' },
+	{ name: 'basic', language: 'html', identifiers: ['html', 'htm', 'shtml', 'xhtml', 'inc', 'tmpl', 'tpl'], source: 'text.html.basic' },
 	{ name: 'ini', language: 'ini', identifiers: ['ini', 'conf'], source: 'source.ini' },
 	{ name: 'java', language: 'java', identifiers: ['java', 'bsh'], source: 'source.java' },
 	{ name: 'lua', language: 'lua', identifiers: ['lua'], source: 'source.lua' },

extensions/markdown/syntaxes/markdown.tmLanguage

@@ -680,7 +680,7 @@
 							<key>while</key>
 							<string>(^|\G)(?!\s*([`~]{3,})\s*$)</string>
 							<key>contentName</key>
-							<string>meta.embedded.block.basic</string>
+							<string>meta.embedded.block.html</string>
 							<key>patterns</key>
 							<array>
 								<dict>