Inserting SCCS ID keywords in a file

You can put one or more ID keywords in each file. These keywords are used to display information about the file whenever a read only version is checked out.

SCCS ID keywords include:

   %G%	- the date of the delta
   %I%	- sid of the retrieved text
   %M%	- the current module name
   %R%	- the current release number
   %W%	- a shorter form for %Z%%M%<tab>%I%
   %Z%	- string used by the what command