
The following features are not planned to be supported:
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⎕NLT


The following features need to be done:
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more shared variables / auxiliary processors
⎕NA
more ⎕L and ⎕R testcases


The following extensions are provided:
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--- various debug commands, see )HELP

--- dyadic ⎕CR   (DISPLAY-like value output)

--- 3 ⎕TF        (⎕TF with CDR format)

--- ⎕ENV B (environment variables)
    return the values of environment variables whose names starts with B.
    Return N by 2 matrix, with column 1 containing environment variable names
    and column 2 their values.

--- APL scripting
    text files beginning with:

    #!apl

    run the interpreter as a shell with the subsequent lines as input.

