[whatwg] Proposal to remove a paragraph from canvas spec

Robert O'Callahan robert at ocallahan.org
Thu May 12 21:32:13 PDT 2011

On Fri, May 13, 2011 at 3:19 PM, Ian Hickson <ian at hixie.ch> wrote:

> On Wed, 4 May 2011, Robert O'Callahan wrote:
> > 4) remove the no-shadow special case, but add a special case to not draw
> > shadows for operators other than source-over
> >
> > I think I prefer #4. I have yet to hear of any use-case that needs
> > shadows with an operator other than source-over, and it would probably
> > simplify the spec and implementations a little bit.
> #4 seems fine to me. Does anyone object to #4? I propose waiting until
> browser vendors implement this (to test that it is not a compatibility
> problem), and then updating the spec accordingly.

Can you put a note in the spec that we're thinking of changing this
behavior, so developers are less likely to start depending on it, and we've
got some cover in case it breaks some esoteric stuff that doesn't matter for

"Now the Bereans were of more noble character than the Thessalonians, for
they received the message with great eagerness and examined the Scriptures
every day to see if what Paul said was true." [Acts 17:11]

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