YAML Embedded Languages Features Syntax highlighting within YAML block-scalars for 50+ built-in languages and the ability to add highlighting for any other language with the yaml-embedded-languages.include configuration setting. Usage To highlight a single block, place a comment with the language identifier next to the block identifier. example : | # highlighted To highlight all blocks from a point onwards, place a comment with the extension name followed by the language identifier. # yaml-embedded-languages: example : | highlighted To stop highlighting blocks place a comment with the extension name. # yaml-embedded-languages example : | not highlighted Built-In Languages The following list shows all valid identifiers for the built-in languages: Language Identifier bat bat bibtex bibtex c c clojure clojure coffeescript coffee cpp cpp , c++ csharp csharp , c# css css cuda-cpp cuda dart dart diff diff dockercompose dockercompose dockerfile dockerfile fsharp fsharp , f# go go groovy groovy handlebars handlebars hlsl hlsl html html ini ini jade jade java java javascript js , javascript javascriptreact jsx json json jsonc jsonc jsonl jsonl julia julia latex latex less less log log lua lua makefile make , makefile markdown markdown markdown-math math objective-c objc objective-cpp objcpp perl perl php php pip-requirements pip , requirements powerfx* powerfx powershell powershell properties properties python py , python r r raku raku razor razor regex* regex restructuredtext rst ruby ruby rust rust scss scss shaderlab shaderlab shellscript shell sql sql swift swift tex tex typescript ts , typescript typescriptreact tsx vb vb xml xml xsl xsl yaml yaml *Not a valid VS Code language Requirements None Extension Settings Name Description yaml-embedded-languages.include An object where the key defines the language identifier with regex and the value specifies the language TextMate scope name. By default the language identifier will be used as the language name. To change this, the value can be specified as an object with properties including name , scopeName (required), and stripIndent . Hover over these in VS Code to find out more. Known Issues See Issues Contribution Notes See CONTRIBUTING Release Notes See CHANGELOG