Besides, without this type of "responsibility" in place, I could theoretically pay a developer to fix a bug for me, and then, 3 months down the line, some other developer breaks it. What do I do then? Pay money again to have someone refix it?
Additionally, you might want to read this part of the LICENSE file again: "This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details." Mike
