Re: [Tclxml-users] wrong display of not nested,emtpy divs

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Firstly, in your script you reused the "div" variable, thus creating 
two <div> elements but the variable refers to the second instance when 
the text is added.  That's why the first <div> is an empty element.

Secondly, the use of empty element syntax when the method is set to 
"html" is a bug; please submit a bug report on SourceForge.

Cheers,
Steve Ball

On 24/11/2004, at 11:14 PM, Detlef Groth wrote:

>
> Hello,
>
> for a web application I build a dom-tree in memory and depending on
> user input I hide or display certain parts of the dom-tree.
>
> Sample session to create the document:
> (tclkit) 2 % package require xml::tcl
> 3.0
> (tclkit) 3 %   set doc [dom::DOMImplementation create]
> invalid command name "dom::DOMImplementation"
> (tclkit) 4 % package require dom
> 3.0
> (tclkit) 5 %   set doc [dom::DOMImplementation create]
> ::dom::tcl::document1::Document
> (tclkit) 6 %    set top [dom::document createElement $doc html]
> ::dom::tcl::document1::node2
> (tclkit) 7 %     set head [dom::document createElement $top head]
> ::dom::tcl::document1::node6
> (tclkit) 8 %     set title [dom::document createElement $head title]
> ::dom::tcl::document1::node10
> (tclkit) 9 %     set titleText [dom::document createTextNode $title 
> "MPIMG Berlin - Mouse Database"]
> ::dom::tcl::document1::node14
> (tclkit) 10 %    set body [dom::document createElement $top body]
> ::dom::tcl::document1::node18
> (tclkit) 11 %     set div [dom::document createElement $body div]
> ::dom::tcl::document1::node22
> (tclkit) 12 % dom::element setAttribute $div style display:none;
> display:none
> (tclkit) 13 %     set div [dom::document createElement $body div]
> ::dom::tcl::document1::node27
> (tclkit) 14 % [dom::document createTextNode $div Test]
> wrong # args: should be "::dom::tcl::document1::node31 method args"
> (tclkit) 15 % dom::document createTextNode $div Test
> ::dom::tcl::document1::node35
> (tclkit) 16 % $doc serialize -html
> unknown method "serialize"
> (tclkit) 17 % dom::serialize $doc -method "html"
> <?xml version='1.0'?>
> <!DOCTYPE html>
> <html><head><title>MPIMG Berlin - Mouse 
> Database</title></head><body><div 
> style="display:none"/><div>TestTest</div></body></html>
> (tclkit) 18 % dom::serialize $doc -method "html" -indent
> list must have an even number of elements
> (tclkit) 19 % dom::serialize $doc -method "html" -indent 2
> <?xml version='1.0'?>
> <!DOCTYPE html>
>
>     <html>
>       <head>
> 	<title>MPIMG Berlin - Mouse Database</title>
>       </head>
>       <body>
> 	<div style="display:none"/>
> 	<div>TestTest</div>
>       </body>
>     </html>
>
>
>
> both outputs did not render the text although the TestTest-text is not
> a parent of the display:none-div.
>
> if we change the html-code manually to
>
>   <html>
>       <head>
> 	<title>MPIMG Berlin - Mouse Database</title>
>       </head>
>       <body>
> 	<div style="display:none"></div>
> 	<div>TestTest</div>
>       </body>
>     </html>
>
> which should be the same than it renders right. So my adivise is to
> change the following:
> $ diff /d/tcl-lib/tcldom3.0/dom.tcl 
> ~/cvs/tclhttpd/customlib/tcldom3.0/dom.tcl
> ... some other stuff
>
> <
> <       append result />$newline
> ---
>>         # dgroth fixes bad browser behaviour with <div 
>> style='display:none'/> tags
>>       append result "></$nsPrefix$node(node:localName)>$newline"
>
> Or at least allow a option with serialize like:
>
> ::dom::DOMImplementation serialize $doc -emptytags false
>
> I think with tdom this is the default because I did not observe this
> missbehaviour (of modern browsers) until now.
>
> regards,
> Detlef
>
> -- 
> Dr. Detlef Groth
> Max-Planck-Institut
> fuer Molekulare Genetik
> Ihnestr. 63/73
> D-14195 Berlin
> Tel.: + 49 30 - 8413 1235
>
>
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