This is a Scheme48 PreScheme image suitable for use with the scheme48
program. Example usage:

scheme48 -i ps-compiler.image

To build this image download and extract the Scheme48 distribution
from s48.org. If needed, build and install Scheme48. Then in the
ps-compiler/ directory of the Scheme48 distribution start scheme48 and
enter the following commands:

,config ,load ../scheme/prescheme/interface.scm
,config ,load ../scheme/prescheme/package-defs.scm
,exec ,load load-ps-compiler.scm
,in prescheme-compiler prescheme-compiler
,user (define prescheme-compiler ##)
,dump ps-compiler.image "(Pre-Scheme)"
,exit