answer question, with reference.

diff --git a/doc/bugs/htmlscrubber_undoes_email_obfuscation_by_Text::Markdown.mdwn b/doc/bugs/htmlscrubber_undoes_email_obfuscation_by_Text::Markdown.mdwn
index 12018d5178a43acd7721f958da184a2e88ffa842..99cc1964ca67c45b50580f19416149941c65ee65 100644 (file)
--- a/doc/bugs/htmlscrubber_undoes_email_obfuscation_by_Text::Markdown.mdwn
+++ b/doc/bugs/htmlscrubber_undoes_email_obfuscation_by_Text::Markdown.mdwn
@@ -35,3 +35,11 @@ The relevant commits are on the master branch of [my "fork" of ikiwiki on Github
 > 
 > It would probably be best to add an option to [[!cpan Text::Markdown]] to
 > let the email address munging be disabled. --[[Joey]]
+
+
+Email obfuscation is very useful --
+in practice, spammers apparently don't use HTML parsers --
+according to the only published study I have read
+( a 2003 study by the Center for Democracy and Technology cited by
+https://en.wikipedia.org/wiki/Address_munging
+).