There are only the 3 names in our entire source that use non-ASCII characters.
Our documentation can still use any type of character. We want to limit source
to ASCII for safety reasons.
Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.