cvs log: converted m4 sources to canonical format

[Guido Draheim]

The new @tags are breaking somewhat with traditions, they are

# grep "@category" legacy/*/*.m4 | sed "s/address@hidden *//" | sort | uniq
Automake
C
CrossCompilation
Cxx
Fortran
InstalledPackages
Java
Misc

# grep "@license" legacy/*/*.m4 | sed "s/address@hidden *//" | sort | uniq
AllPermissive
GPLWithACException

I guess that the tag contents are not allowed to be free-format #pcdata ?
Why not using the names as visible, containing spaces like "C Support"?
Do people have to do an inverse-lookup to know what category/license
hint text they have to add into the macro text before submission?

# LANG=C ; find . -type d -maxdepth 1 | sort
./AM_Support
./C++_Support
./C_Support
./Cross_Compilation
./Fortran_Support
./Installed_Packages
./Java_Support
./Miscellaneous
./System_Headers
./System_Utilities
./adl
./bkorb
./braden
./djmitche
./doc
./guidod
./latex
./other
./pakin
./rleigh
./salvestrini