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Output from the executables javac
and java
have their standard output
stream and standard error stream piped into Emacs’ batch mode so that
error messages like Foo.java:123
point back to the correct file
Foo.jtw:123
even if file inclusion (J.T.W. Proof of concept #2 file inclusion) has been used. The programs grep
and sed
are also used as pipes in the transformation process so they must be
present on the client’s system.