Registers a new HTML language service for the languageId. Note: 'html', 'handlebar' and 'razor' are registered by default.
Use this method to register additional language ids with a HTML service. The language server has to be registered before an editor model is opened.
Optional
Registers a new HTML language service for the languageId. Note: 'html', 'handlebar' and 'razor' are registered by default.
Use this method to register additional language ids with a HTML service. The language server has to be registered before an editor model is opened.