Arved Sandstrom wrote:
> Why is character="-" a parsing error? The XML Recommendation has at least
> one example of an attribute value that contains a hyphen.
This comes from assuming that every unqoted sequence of characters which
is not a number, mesutrement or a color has to be interpreted as NCName,
as the grammar suggests, and IIRC a NCName must not start with a hyphen.
This means
hyphenation-char="-"
can't parse as number, can't parse as string, can't parse as color, can't
parse as NCName -> parsing error.
Interestingly
hyphenation-char="-1"
would parse, but certainly can't be converted to a char
Some other niceties:
hyphenation-char="1*4"
would this make the hyphenation charater be "4"?
Can
hyphenation-char="1 div 4"
be converted to ¼? <bg> I know this becomes silly.
>>How are you intending to implement
>><character>?
>
> By storing it as a Unicode value according to the XML Rec production
Functions complicate matters, and something like
hyphenation-char="from-table-column('hyphenation-char')"
might even make some sense.
J.Pietschmann
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