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.
* devnull/devnull.c (null_initialize): Added check to
ensure that the driver is only initialized once. Otherwise,
it will abort when the device /dev/null is present.
(null_write): Do not dereference a NULL pointer.
* devnull: New addition. Moved from libcpu/sh.
* devnull/devnull.c, devnull/devnull.h, devnull/.cvsignore,
devnull/Makefile.am: New files.
* Makefile.am, configure.in, wrapup/Makefile.am: Modified to reflect
addition of above.