Why I'm hesitating to switch to D

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Sat Jul 2 13:35:50 PDT 2011


On 6/29/11 4:04 PM, Adam Ruppe wrote:
> Nick Sabalausky wrote:
>> I'm firmly in the camp that HTML *is* presentation.
>
> The problem here is two things can look the same, but should be
> treated differently by post-processing programs.
>
> For example, lists of members. The presentational style code in
> std.ddoc now generates this kind of thing:
>
> <dl>
>      <dt>enum Foo</dt>
>      <dd><dl>
>          <dt>member1</dt>
>      </dl></dd>
>
>      <dt>struct Bar</dt>
>      blah blah blah
> </dl>
>
> Now, suppose you want to do a post-processor of some sort to grab all
> enums. It's more painful than it has to be - instead of using the
> html structure, you've gotta scan the inner text too for the keywords.
>
>
> You might want them to look the same, but it's still sometimes helpful
> to be able to differentiate them by some kind of metadata.
>
>
> I'm not really against having both presentational and semantic
> data in the html, since the post-processor can always strip out
> stuff it doesn't care about.
>
> But, if that semantic stuff isn't present, it causes pain for
> other scenarios down the line. (Contrast to missing presentational
> stuff, which can be fairly easily regenerated with rich enough
> semantics.)
>
>
> When I get around to updating std.ddoc, I'll have it looking almost
> the same except I'd add class="struct" and class="enum" to the
> list macros too.

Yes please. Excellent point.

Andrei


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