The teachpack provides three operations for creating simple “HTML” documents:
Annotation An Annotation is a symbol that starts with “<” and ends in “>”. An end annotation is one that starts with “</”.
Determines whether or not a Scheme value is a number, a symbol, or a string.
Determines whether or not a Scheme symbol is a document annotation.
Consumes an annotation and produces a matching ending annotation.
Consumes a list of symbols and annotations and prints them out as a "file".
Sample session: set teachpack to “docs.ss”> and click RUN: