Mysterious Eclipse JSP Validation Errors

Question

Eclipse (Helios) occasionally marks valid looking JSP content as having errors. It seems like it often breaks when I use the tag. For example, in a JSP with just th

Answer 1

This is an old question but thought I might mention I get this too in Juno on Mac OS X—specifically most often after i change a file externally and then refresh the project in Eclipse. Underlines in all sorts of odd places, even halfway through words in JSP comments.

Could (likely?!) be related to bug 376926 which apparently got fixed a bit over a week ago?