[xsl] White spaces

Hi all,

when i match something in xsl in the html i see white spaces instead of the objects matched, i'm trying to eliminate that white spaces with normalize-space but it do not 
work for example this is one of the match that in the html generate a white space: 

<xsl:template match="field[utils:endsWith(@id,'.indirizzo') />

anyone have some hint?

thx all