[whatwg] Nested list

Ojan Vafai ojan at chromium.org
Thu Sep 3 17:04:34 PDT 2009

I don't see what the problem here is. How is it wrong? Why can't a list be a
type of list item?
Focusing more on practicalities, every browser produces and deals correctly
with this type of HTML. Given that contentEditable is used by just about
every rich-text email or blog-posting service, it's not like browsers can
stop supporting this without breaking a very long tail of sites with
user-generated content.

Internet Explorer, Firefox, Opera, Safari and Chrome all nest lists inside
lists when you call execCommand('indent') on a list item. What practical
reason is there for them all to change this behavior?


On Thu, Sep 3, 2009 at 4:33 PM, Ian Hickson <ian at hixie.ch> wrote:

> On Thu, 2 Jul 2009, Ryosuke Niwa wrote:
> >
> > Hi, I just realized that in HTML4.01 spec, DTD doesn't seem to allow
> > nested OL or UL without LI.  See
> > http://www.w3.org/TR/REC-html40/struct/lists.html#h-10.2  In fact, the
> > nested list example is marked deprecated.  But in practice, all major
> > user agents produce nested list when execCommand("Indent"...) is
> > executed.  Is there any chance we can standardize nested lists, and in
> > particular, what UA produce?
> I don't think nested lists really make much sense -- a list is a list of
> items, and a nested list is just one of the items.
> > For example, all major browsers (Firefox, IE, & WebKit) produce
> > slightly different versions of HTML when indenting "item 2" in the
> > following HTML (assume it's content-editable):
> > <ol>
> > <ol id="u1"><li id="i1">item 1</li></ol>
> > <li id="i2">item 2</li>
> > <ol id="u3"><li id="i3">item 3</li></ol>
> > </ol>
> Well that's just very wrong on so many levels. I don't think we want to
> condone it.
> --
> Ian Hickson               U+1047E                )\._.,--....,'``.    fL
> http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
> Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
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