Test for raco demod.
[I] demod-test|main* > raco pkg install gregor
raco pkg install: package is already installed
package: gregor
[I] demod-test|main* > racket main.rkt
Hello from `raco demod` test on 2021-09-05
[I] demod-test|main* > raco demod main.rkt
[I] demod-test|main* > racket main_rkt_merged.zo
syntax-track-origin: contract violation
expected: syntax?
given: #f
context...:
body of "/home/strika/demod-test/main_rkt_merged.zo"
[I] demod-test|main* >