I have the Swashbuckler talent. It's part of the Martial talents database file. Note that it is named only Swashbuckler.
<Talent name="Swashbuckler" type="">
<Name>Swashbuckler</Name>
<Cost>25</Cost>
<Description>
<![CDATA[This talent allows a character to add 2 x his Agility Bonus to his DB in addition to the bonus gained from Quickness. However, the character only gains this bonus if he not wearing any armor heavier than Soft Leather, not carrying a shield larger than a Buckler, and not wielding a two-handed weapon.]]>
</Description>
</Talent>