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+@node Data Formats
+@section Data Formats
+
+Data formats are the serialization formats for components.
+The primary serialization format is iCalendar, but xCalendar and
+sxCalendar also exists.
+
+Each available format should be included as
+@code{(vcomponent formats @var{format-name})}.
+Which module corresponds to what file type is currently defined out of
+band.
+
+Each module should expose the following procedures.
+
+@defun serialize component port
+Write a serialized representation of @var{component} to @var{port}.
+@end defun
+
+@defun deserialize port
+Read a serialized representation of a component from @var{port}, and
+return the deserialized instance of this object.
+@end defun
+
+@subsection iCalendar
+RFC 5545
+
+@subsection xCal