It's a mail encoding called quoted-printable, see

http://en.wikipedia.org/wiki/Quoted-printable

It's not intended to be visible to users, but email protocols can be pretty
crude.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Detlef Heyn [mailto:detlef.heyn@xxxxxxxxx] 
> Sent: 30 July 2008 08:03
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  what is ....select=3D" ..... ???
> 
> Hi there,
> 
> 
> just a simple question about this random code snippet from 
> the mailing list.
> 
> between   'select='   an  '"......."' i always found this "3D".
> 
> example quote:
> ==============
> <xsl:apply-templates select=3D"/*/*/*" >
>          <xsl:sort select=3D"@GroupNumber" />
>          <xsl:sort select=3D"@ElementNumber" /> 
> </xsl:apply-templates> ==============
> 
> 
> Please could someone be so kind to tell me, is it just a 
> character coding error or is it something new in XSLT2.0 wich 
> I just did not recognized yet?
> 
> Searched for it without any satisfyingly result.
> 
> 
> Probably a totaly trivial question - so forgive my 
> unawareness about this "3D" Prefix - but i some clearing about it.
> 
> Thanks for your help in advance.
> 
> 
> with best regards
> 
> D.H.H.