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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Parser interface design
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Date: Wed, 13 Apr 2011 10:37:50 +0200
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Date: 2011-04-13T10:37:50+02:00
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On Wed, 13 Apr 2011 08:20:59 +0000 (UTC), Natasha Kerensikova wrote:

> On 2011-04-12, Simon Wright <simon@pushface.org> wrote:
>> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
>>
>>>    HTML.Emphasize ("bar")  -> "<b>bar</b>"
>>>    ASCII.Emphasize ("bar")  -> "*bar*"
>>>    Plain_Text.Emphasize ("bar")  -> "bar"
>>>    Gtk_Text_Buffer.Emphasize ("bar")  -> sets tags around the text slice
>>>    ...
>>>
>>> Parser just calls On_Emphasize, the implementation of routes it to the
>>> renderer's Emphasize, which figures out what to do.
>>
>> Clearly you and I think similarly here. But Natasha is (as well as being
>> the potential implementer) the customer.
> 
> I'm afraid you're both missing the issue. Dmitry's example is clearly
> about different kind of emphasis, while I'm talking about *disabling*
> emphasis.

Which is a feature of the renderer:

   type Emphasis_Mode is (Off, On);

   HTML.Set_Emphasis (Off);
   ASCII.Set_Emphasis (On);
   ...

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de