dsssl-sgml-declaration

dsssl-sgml-declaration is a variable defined in `scheme.el'.
Its value is

"\n"

Documentation:
An SGML declaration for the DSSSL file.
If it is defined as a string this will be inserted into an empty buffer
which is in `dsssl-mode'. It is typically James Clark's style-sheet
doctype, as required for Jade.

You can customize this variable.