6 calls to check_markup() in Drupal 4

block_block in modules/block.module

Implementation of hook_block().

comment_nodeapi in modules/comment.module

Implementation of hook_nodeapi().

node_prepare in modules/node.module

Apply filters to a node in preparation for theming.

profile_view_field in modules/profile.module

theme_comment_view in modules/comment.module

_comment_form_submit in modules/comment.module