Re: [CSSOM] does CaretPosition need a "before/after" hint?

On Fri, Jun 24, 2011 at 6:00 AM, Robert O'Callahan <>wrote:

> On Fri, Jun 24, 2011 at 7:46 AM, Ryosuke Niwa <> wrote:
>> Because they're two different things.  One is about whether a caret
>> appears before or after a line break, and the other is about to which
>> BiDi-level caret belongs.  Just because Gecko decides to reuse the same flag
>> doesn't mean we need to expose that to the Web.
>> Having a flag that changes the meaning depending on where the
>> CaretPosition is seems like an unnecessary complexity.
> The way I see it, the meaning doesn't change. When the caret is between two
> characters or elements in the DOM, you can think of it as being attached
> either to the previous character/element or the following character/element,
> and the flag tells you which case it is.
> So far, certain situations involving line-breaks and bidi are the only
> situations that we know of where it makes a difference to observable
> behavior.

On Mac, for example, the notion of caret being attached to before/after a
character doesn't really exist because it uses a split caret.

- Ryosuke

Received on Friday, 24 June 2011 15:26:30 UTC