#10 Diff causes Invalid Page error

[Jeffrey A. Hare]

Invalid Page Blog:TestingBlog (doesnt match
FreeLinkPattern "((?:(?:[-,.()' _0-9A-Za-zŔ-˙]+)?\/)*[-,.
()' _0-9A-Za-zŔ-˙]+)(?:"")?")

[Jeffrey A. Hare]

Logged In: YES
user_id=434021

Just to clarify, This happens when trying to diff a blog from
the Recent Changes.