HTML::RewriteAttributes is designed for simple yet powerful HTML attribute rewriting, by simply specifying a callback to run for each attribute. This module is designed to be subclassable to make handling special cases eaiser. See the source for methods you can override.
Binary packages can be installed with pkgin or pkg_add(1). The NetBSD packages collection is also designed to permit easy installation from source.
The pkg_admin audit command locates any installed package which has been mentioned in security advisories as having vulnerabilities.
Please note the vulnerabilities database might not be fully accurate, and not every bug is exploitable with every configuration.
Problem reports, updates or suggestions for this package should be reported with send-pr.