Mail::SpamAssassin::Plugin::ReplaceTags(3pm) on Linux
The text db217ad5d72b, as Debian 11 (Bullseye) shipped it.
tags for SpamAssassin rules The plugin allows rules to contain regular expression tags to be used in regular expression rules. The tags make it much easier to maintain complicated rules. Warning: This plugin relies on data structures specific to this version of SpamAssassin; it is not guaranteed to work with other versions of SpamAssassin.