Last modified: 2014-04-25 15:57:02 UTC
HTML comments will not interfere with the working of a ParserFunction, but they will apparently prevent it from substituting, causing nothing to appear on the page at all, at least with #switch. I discovered this while working to get [[en:wikt:fr-def-verbform]] to substitute.
fixed link: [[wikt:template:fr-def-verbform]]
see also bug 23463
*** Bug 23463 has been marked as a duplicate of this bug. ***