[xsl] U+0007

["Imsieke, Gerrit, le-tex" <gerrit.imsieke@xxxxxxxxx>]

Dear List Members,

I need to output <xsl:text>&#7;</xsl:text> for InDesign (see 
http://www.indiscripts.com/blog/public/data/idcs4-special-characters/en_InDesignCS4SpecialChars.pdf#page=2 
-- it's the 'Indent to Here' metacharacter).

Saxon or rather the parser tells me:
  SXXP0003: Error reported by XML parser: Character reference "&#7" is 
an invalid XML character.

But http://www.fileformat.info/info/unicode/char/7/index.htm tells me 
that's a Unicode character, and so does 
http://www.unicode.org/charts/PDF/U0000.pdf.

&#9; is no problem at all, for example.

Wil xsl:character-map help in some way?

Any help appreciated.

Gerrit