OTRS/doc-developer — pull request #1 by zottto (2013-10-27 11:06:34+00:00)
Title: Added CDATA to IntroInstall, IntroUninstall, IntroReinstall and IntroUpgrade listings

If you want to use HTML tags within the Intro messages, you need to wrap your content in CDATA blocks. This info was missing in the developer manual.