[yunqa.de] Re: DIHtmlParser: Empty Attribute Problem
- From: Delphi Inspiration <delphi@xxxxxxxx>
- To: yunqa@xxxxxxxxxxxxx,<yunqa@xxxxxxxxxxxxx>
- Date: Thu, 30 Jul 2009 14:39:35 +0200
At 14:53 30.07.2009, Mike Dixon wrote:
>I'm using DIHtmlParser and the CharCase and Writer plugin to simply convert
>an html page to lowercase before saving the file.
>
>My Problem is that when I have the following code:
>
><img src="foo.gif" alt="" />
>
>It is converted to:
>
><img src="foo.gif" alt/>
>
>Notice the ="" is missing from the output.
>
>I've tried setting DIHParser.TrimAttribValues := False; but that did not
>help.
>
>What am I missing?
Set the following properties of your TDIHtmlWriterPlugin instances:
TDIHtmlWriterPlugin.EmptyHtmlAttribValues := True;
TDIHtmlWriterPlugin.QuoteHtmlTags := qvAlways;
Btw: The automatic "conversion" was choosen because IMO an empty attribute
value is equal to no attribute value in terms of HTML. Accordingly, the
following two tags represent identical HTML:
<img src=test.png alt="" />
<img src=test.png alt />
I could not find the relevant section of the specification right now, but I
checked that Firefox renders them exactly the same with explicitly "blank"
alternative text. In this, they are different from
<img src=test.png />
which is rendered with explicitly "missing" alternative text.
Ralf
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