[[Explain embedding a scripting engine in existing application
to achieve flexible combination of fixed elements.  This
raises questions:  which scripting engine to embed?
How to do so?  What does this make possible?]]












[[Three examples of approach in conventional [Java]-oriented
application development:
"Tcl your Java apps"
[http://www.javaworld.com/javaworld/jw-03-2001/jw-0323-tcl.html?]
and
"Tips for Scripting Java with
Jython"
http://www.onjava.com/pub/a/onjava/2002/03/27/jython.html]
and, by same author,
"Introduction to Jython"
[http://www.oreilly.com/catalog/jythoness/chapter/ch01.html].]]


[[Much need interesting write-up of hardware-oriented embedded
examples--space shots, submarines, factory controllers, ...]]
----
'''Scripting vs. programming:''' I'm not sure whether there is a clear
distinction - certainly you can do both in Tcl. Maybe the following criteria make sense ([RS]):
   * '''Scripting''': single file, few or no procs
   * '''Programming''': Structuring with libraries ([auto_index] or [package]); almost every code is in procs