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Subject: Just the issues: encoding public ids as URNs
Issue 1. How shall we encode SPACE? As %20, or by using one or more of the characters from Issue 9? Note that leading, trailing, and consecutive spaces are impossible in normalized public ids. Issue 2. How shall we encode APOSTROPHE? As %27, or by using one or more of the characters from Issue 9? Issue 3. How shall we encode QUESTION MARK? As %3F, or by using one or more of the characters from Issue 9? Issue 4. How shall we encode SOLIDUS? As %2F, or by using one or more of the characters from Issue 9? Issue 5. How shall we encode NUMBER SIGN? As %23, or by using one or more of the characters from Issue 9? Issue 6. How shall we encode PERCENT SIGN? As %25, or by using one or more of the characters from Issue 9? Issue 7. How shall we encode the component separator in FPIs? The FPI encoding is generally "//" but in one case " ". We could encode it in the same way as these character sequences, or use a special encoding. Issue 8. How shall we encode the sub-component separator in FPIs? The FPI encoding is "::". We could encode it in the same way as these character sequences, or use a special encoding. Issue 9. The characters PLUS SIGN, COMMA, COLON, EQUALS SIGN, SEMICOLON, COMMERCIAL AT, and DOLLAR SIGN are available for use as part of the encoding machinery. If we use any of them, how shall we encode their appearances direcly in a public id? (For example, if we use COLON to help deal with any of issues 1-8, we need an encoding for original COLONs appearing in the public id.) Norm, Paul, ideas? (I have my own view, but I wanted to just clarify exactly what's going on before presenting it.) -- There is / one art || John Cowan <jcowan@reutershealth.com> no more / no less || http://www.reutershealth.com to do / all things || http://www.ccil.org/~cowan with art- / lessness \\ -- Piet Hein
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