mercury mtree violation

[ryandesign (Ryan Carsten Schmidt)]

$ sudo port install mercury +universal
--->  Computing dependencies for mercury
--->  Fetching archive for mercury
--->  Attempting to fetch mercury-11.01_0+universal.darwin_10.i386-x86_64.tbz2 from http://packages.macports.org/mercury
--->  Fetching mercury
--->  Attempting to fetch mercury-compiler-11.01.tar.gz from http://distfiles.macports.org/mercury
--->  Verifying checksum(s) for mercury
--->  Extracting mercury
--->  Applying patches to mercury
--->  Configuring mercury
--->  Building mercury
--->  Staging mercury into destroot
Warning: violation by /opt/local/info
Warning: violation by /opt/local/man
Warning: mercury violates the layout of the ports-filesystems!
Warning: Please fix or indicate this misbehavior (if it is intended), it will be an error in future releases!
--->  Installing mercury @11.01_0+universal
--->  Activating mercury @11.01_0+universal
--->  Cleaning mercury

[mf2k (Frank Schima)]

Duplicate of #54231 which has a patch.