9 uses of FILTER_FORMAT_DEFAULT in Drupal 6

block_block in modules/block/block.module

Implementation of hook_block().

block_box_form in modules/block/block.module

Define the custom block form.

block_box_save in modules/block/block.module

Saves a user-created block in the database.

blogapi_blogger_new_post in modules/blogapi/blogapi.module

Blogging API callback. Inserts a new blog post as a node.

comment_form in modules/comment/comment.module

Generate the basic commenting form, for appending to a node or display on a separate page.

filter_resolve_format in modules/filter/filter.module

Resolve a format id, including the default format.

node_save in modules/node/node.module

Save a node object into the database.

system_update_6051 in modules/system/system.install

Create a signature_format column.

user_edit_form in modules/user/user.module