template_preprocess_filter_tips(&$variables) Prepares variables for filter tips templates.
_filter_url_parse_email_links($match) Makes links out of email addresses. Callback
_filter_html_image_secure_process($text) Process callback for local image filter. Related
_filter_url($text, $filter) Converts text into hyperlinks automatically. This
filter_filter_secure_image_alter(&$image) Implements
Filters implemented by the Filter module. File core/modules/filter/
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