8 string references to 'url' in Drupal 6

aggregator_form_feed_validate in modules/aggregator/aggregator.admin.inc

Validate aggregator_form_feed form submissions.

aggregator_schema in modules/aggregator/aggregator.install

Implementation of hook_schema().

profile_form_profile in modules/profile/profile.module

profile_validate_profile in modules/profile/profile.module

profile_view_field in modules/profile/profile.module

statistics_top_referrers in modules/statistics/statistics.admin.inc

Menu callback; presents the "referrer" page.

statistics_update_6000 in modules/statistics/statistics.install

Allow longer referrers.

system_update_6019 in modules/system/system.install

Reconcile small differences in the previous, manually created mysql and pgsql schemas so they are the same and can be represented by a single schema structure.