There's apparently very good money in knowing these little esoteric bits about C++ though :).
For a depressingly typical example the following site is enlightening: http://www.gotw.ca/gotw/The good news is that things are going to get a whole lot more complicated, because, obviously, the way to make C++ easier to use is to add more features:
http://www.artima.com/cppsource/cpp0xP.html Are there any plans to add a -Wtpop switch to the Plan 9 compilers?
