nodeteaser.install:22
drupal_set_message(t('Node teaser module was successfully installed with default options. To customize node teaser, please view the <a href="%settings">node teaser settings page</a>.', array('%settings' => url('admin/settings/nodeteaser'))));
should be
drupal_set_message(t('Node teaser module was successfully installed with default options. To customize node teaser, please view the <a href="!settings">node teaser settings page</a>.', array('!settings' => url('admin/settings/nodeteaser'))));
the % makes it <a href="<em>/admin/settings/nodeteaser</em>">...
but ! makes it <a href="/admin/settings/nodeteaser">...

This is just an install nuisance. Not major, just a nuisance.