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.
* Makefile.am, develenv.texi: Relect generating .texi from .t's.
* direct.t, sample.t, utils.t: New files.
* direct.texi, sample.texi, utils.texi: Removed. Now generated from
corresponding .t files which are in the process of being updated.
This commit is a anspshot of the update effort.