Renders an intra-document link to a

The macro currently does not check if the link is actually valid, but it provides the autocomplete feature for the anchor parameter. This makes it easier for users to select the correct location, but it does not prevent losing the target in case the anchor name is changed later. To prevent this teams may choose to define identifiers in the referenced content and explicitly set a label and link to this identiferidentifier. In case the section title is rephrased later, the link would still be valid.