Re: [css-style-attr] SVG WG comments on CSS Styling Attributes Level 1

On Tuesday, August 24, 2010, 9:27:57 AM, Tab wrote:

TAJ> On Mon, Aug 23, 2010 at 11:41 PM, Chris Lilley <> wrote:
>> I have been asked by the SVG WG to ask the CSS WG, once again, to allow
>> scientific notation for those properties which allow it. In SVG, currently
>> those properties allow scientific notation in presentation attributes but
>> dissallow it in style sheets (style attributes, style elements, external
>> style sheets). This disparity causes user confusion.

TAJ> Sigh.  We should allow it.  It's simple, it's useful, and it's intuitive.

And already implemented in Firefox, although currently with a "mode bit" so
that it only applies to SVG.

> Mozilla's CSS parser has a special mode for all styles loaded from SVG,
> including inline styles on SVG-namespace elements.  In that mode the
> above regular expression becomes
> num             ([0-9]+|[0-9]*"."[0-9]+)(e[+-]?[0-9]+)?
> (as always, the "e" is case-insensitive).  Numbers with this suffix are
> interpreted as scientific notation.  A % or {ident} suffix may follow
> the exponent (which converts the token to a PERCENTAGE or DIMENSION
> token)

 Chris Lilley   Technical Director, Interaction Domain                 
 W3C Graphics Activity Lead, Fonts Activity Lead
 Co-Chair, W3C Hypertext CG
 Member, CSS, WebFonts, SVG Working Groups

Received on Tuesday, 24 August 2010 08:53:37 UTC