Re: Compressed SVG? (and a couple of announcements)

Ok, great: we have an agreement.

Sairus, Robert, please advise how to proceed.

Thanks,
behdad

On Sun, Oct 12, 2014 at 6:29 AM, Leonard Rosenthol <lrosenth@adobe.com>
wrote:

>  If you are using gzip and not simple flate – then yes.  But you need to
> make that VERY clear since most folks will assume that you are not doing
> that…
>
>  Leonard
>
>   From: Behdad Esfahbod <behdad@google.com>
> Date: Friday, October 10, 2014 at 2:30 AM
> To: Robert O'Callahan <robert@ocallahan.org>
> Cc: Sairus Patel <sppatel@adobe.com>, "public-svgopentype@w3.org" <
> public-svgopentype@w3.org>
> Subject: Re: Compressed SVG? (and a couple of announcements)
> Resent-From: "public-svgopentype@w3.org" <public-svgopentype@w3.org>
> Resent-Date: Friday, October 10, 2014 at 2:31 AM
>
>    On Wed, Oct 8, 2014 at 1:02 PM, Robert O'Callahan <robert@ocallahan.org
> > wrote:
>
>> On Tue, Oct 7, 2014 at 11:10 PM, Behdad Esfahbod <behdad@google.com>
>> wrote:
>>
>>>  On Tue, Oct 7, 2014 at 10:37 PM, Robert O'Callahan <
>>> robert@ocallahan.org> wrote:
>>>
>>>> On Tue, Oct 7, 2014 at 1:36 AM, Behdad Esfahbod <behdad@google.com>
>>>> wrote:
>>>>
>>>>>  Robert, Jonathan, are you willing to support this in Firefox?
>>>>>
>>>>
>>>>  I'm not sure what exactly your proposal is. As I understand it,
>>>> you're proposing to allow each SVG document to be optionally, independently
>>>> compressed via zlib.
>>>>
>>>
>>>  I was thinking gzip instead of zlib, since gzip-compressed svg is in
>>> common use as sgvz.
>>>
>>>
>>>>  How does the UA distinguish compressed documents from not-compressed
>>>> documents?
>>>>
>>>
>>>  If the data stream starts with 0x1f 0x8b (gzip signature), then
>>> process as svgz, otherwise process as svg.
>>>
>>
>>  That sounds reasonable.
>>
>>  The gzip header contains the uncompressed data size.
>>
>
>  Great point.  Thanks Rob.  The *last* four bytes of the gzip-compressed
> data is the uncompressed size.
>
>
>    Doesn't that mean concerns about knowing the uncompressed size are
>> already addressed?
>>
>
>  I hope so.  Sairus, Leonard, does that address your concerns?
>
>   Rob
>>
>