It's very important to do a correct escing of your HTML output, to avoid
security problems like cross-site-scripting. Therefor Embperl escapes all
output that comes from Perl. This escaping is context sensitv and uses
HTML or URL escaping, depending on the context. It's also possible to
use XML escaping.
The output escaping can be configured by the configuration directive
EMBPERL_ESCMODE or changed anytime inside any page by setting $escmode