@since: bbPress (r4323)
Description
bbp_register_template_stack()

This is really cool. This function registers a new template stack location, using WordPress’s built in filters API.

Source: bp-forums/core/template-functions.php:261

bbp_get_template_stack()

Call the functions added to the ‘bbp_template_stack’ filter hook, and return an array of the template locations.

Source: bp-forums/core/template-functions.php:306

bbp_mention_filter()

Finds and links @-mentioned users in the content

Source: bp-forums/core/functions.php:336

bbp_find_mentions()

Searches through the content to locate usernames, designated by an @ sign.

Source: bp-forums/core/functions.php:314