extensions/markdown-language-features/src/markdownEngine.ts/MarkdownItEngine/_addLinkNormalizer
class MarkdownItEngine:	private _addLinkNormalizer(md: MarkdownIt): void {
		const normalizeLink = md.normalizeLink;
		md.normalizeLink = (link: string) => {
			try {
				// Normalize VS Code schemes to target the current version
				if (isOfScheme(Schemes.vscode, link) || isOfScheme(Schemes['vscode-insiders'], link)) {
					return normalizeLink(vscode.Uri.parse(link).with({ scheme: vscode.env.uriScheme }).toString());
				}

			} catch (e) {
				// noop
			}
			return normalizeLink(link);
		};
	}