1:
<xsl:value-of select="//INPUT[substring(@name,1,11)='ltf_chosen_'][1]/@value"/>
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<A> <B> <INPUT name="ltf_chosen_1" value="1"/> </B> <B> <INPUT name="ltf_chosen_2" value="2"/> </B> </A>
1: 2: 3: 4: 5: 6: 7:
<A> <B> <INPUT name="ltf_chosen_1" value="1"/> <INPUT name="ltf_chosen_2" value="2"/> </B> </A>
(//INPUT[substring(@name,1,11)='ltf_chosen_'])[1]/@value