Suggestion for adding a comment about the Readln() function for Univ_String

[Joakim Strandberg]

Glad to head a new release is imminent in the near future.

I was looking at the thread about "Converting C++ to Parasail" and found the following line of code:

const Line : optional Univ_String := Readln()

While trying out the Readln() command I could never get it to return null, only "" or a non-empty Univ_String. I guess null can be returned if there is some error but there is no comment about this in the aaa.psi file. I suggest adding a comment about the circumstances under which the Readln() function may return null.

Best regards,

Joakim

[Tucker Taft]

Good suggestion.  I just added the following comments (or slight variations thereof) to each of the declarations of Readln:

        //  Read input up to a newline, from standard input.
        //  Return null value when reaching end of file of standard input
        //  (which can happen when standard input is coming from a file,
        //   or when user types control/D on a Unix-like platform).

Take care,

-Tuck

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