<xsl:template match="@*" mode="someMode">
  <xsl:copy/>
</xsl:template>
<xsl:template match="@signed" mode="someMode"/>
<xsl:template match="@otherAtt" mode="someMode"/>
b&

I am using:
<xsl:copy-of select="@*[local-name() != 'signed']"/>

I assume I have to make a long list of "or local-name() != 'otherAtt'"
to exclude all my attributes that should not be copied over. Or is
there a smarter way to just define a list of attributes that are not
copied?

Thanks!