# Markdown Extensions | Toshiki's Note
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Author: Anda Toshiki
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# Markdown Extensions ​

Author:Anda Toshiki
Updated:a minute ago
Words:181
Reading:1 min

## Code Groups ​

Code Groups and Twoslash multi-file support.

index.tsname.ts
ts

    tsimport { name } from './name'export function hello(name: string) {    console.log(`Hello, ${name}!`)}hello(name)       (alias) const name: "twoslash"
    import name

    tsimport { name } from './name'export function hello(name: string) {    console.log(`Hello, ${name}!`)}hello(name)       (alias) const name: "twoslash"
    import name

1
2
ts

    tsexport const name = 'twoslash'

    tsexport const name = 'twoslash'

1

## Unsupported Extensions ​

Since VitePress Twoslash uses it's own Shiki highlighter, the following syntax highlighting extensions are not currently compatible.

- Line Highlighting in Code Blocks
- Focus in Code Blocks
- Colored Diffs in Code Blocks
- Errors and Warnings in Code Blocks
- Line Numbers
- Import Code Snippets

If you are interested in adding support, please start a new GitHub Discussion.