This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
Facelets commenting is done using <ui:remove> ... </ui:remove> instead of <!-- ... -->. HTML-style commenting still goes through EL parsing.
There could be extended HtmlExtension for the start/end comment block, but it's probably quite risky this time. Keeping for Next.
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss