6 theme calls to theme_placeholder() in Drupal 6

node_revision_overview in modules/node/node.pages.inc

Generate an overview table of older revisions of a node.

node_type_form in modules/node/content_types.inc

Generates the node type editing form.

profile_browse in modules/profile/profile.pages.inc

Menu callback; display a list of user information.

t in includes/common.inc

Translate strings to the page language or a given language.

theme_update_report in modules/update/update.report.inc

Theme project status report.

_db_error_page in includes/database.inc

Helper function to show fatal database errors.