- From: Scott Hayman <shayman@rim.com>
- Date: Thu, 22 Jun 2006 09:18:43 -0400
- To: "Anne van Kesteren" <annevk@opera.com>
- Cc: <www-svg@w3.org>
Hi Anne,
> From: Anne van Kesteren [mailto:annevk@opera.com]
> May I ask where "whitespace" is defined? And do I understand
> it correctly that all of the following (values) are valid:
>
> * "20, 54, 34 32"
> * "20
> 54, 588,43"
>
> ... and the following are not:
>
> * " 32, 23, 23 54" (leading space)
> * "23, 23, 32, 12," (trailing comma)
> " "23 23 23 23 " (trailing space)
> "
> 23 23 23 23" (leading newline)
>
> ... is that really what is intended?
The following EBNF has been added to the spec to define the syntax of
the viewBox attribute:
viewbox ::=
wsp* viewboxSpec wsp*
viewboxSpec ::=
number comma-wsp number comma-wsp number comma-wsp
number
| "none"
number ::=
sign? integer-constant
| sign? floating-point-constant
comma-wsp ::=
(wsp+ comma? wsp*) | (comma wsp*)
comma ::=
","
integer-constant ::=
digit-sequence
floating-point-constant ::=
fractional-constant exponent?
| digit-sequence exponent
fractional-constant ::=
digit-sequence? "." digit-sequence
| digit-sequence "."
exponent ::=
( "e" | "E" ) sign? digit-sequence
sign ::=
"+" | "-"
digit-sequence ::=
digit
| digit digit-sequence
digit ::=
"0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" |
"9"
wsp ::=
(#x20 | #x9 | #xD | #xA)
Please let us know within 2 weeks if this does not address your concern.
Regards,
Scott Hayman
On behalf of the SVG WG
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Received on Thursday, 22 June 2006 13:19:31 UTC