TP 6.0 IDE "patch"

Does anyone know a patch for the TP 6.0 IDE to enable it to access hidden
directories on the hard disc? I have just spent a VERY frustrating 15 minutes
trying to work out why I couldn't save my PAS files ("Invalid directory or
filename") only to discover that it was because the directory has the "hidden"
bit set.

A similar patch for TP7 etc might be an idea too, please... (I might upgrade
since BP8 is looking increasingly unlikely.)