399420 - float does not work on HTML elements which are direct childrens of XUL elements

Status: RESOLVED INVALID

(Core :: Layout: Floats, defect)

Description

[Zdeněk Hřib]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; cs; rv:1.8.1.7) Gecko/20070914 Firefox/2.0.0.7
Build Identifier: 

if there is and HTML element directly inside a XUL element, setting float CSS property does NOT work properly. 

<xul:window>
  <div style="float: right">this will not float</div>
</xul:window>

if there is one more HTML element between floating HTML element and XUL element, setting float CSS property WILL work properly. 

<xul:window>
  <div>
    <div style="float: right">this will float</div>
  </div>
</xul:window>


Reproducible: Always

Steps to Reproduce:
1.open the example.xul testcase
Actual Results:  
elements are not floating

Expected Results:  
elements should be floating

Comment 1

[Zdeněk Hřib]

Attachment: testcase

Comment 2

[Jesse Ruderman]

This might be intentional.  See e.g. bug 322436 and bug 366128.

Comment 3

[Boris Zbarsky [:bzbarsky]]

Floating is only defined in a block formatting context.  So yes, this is intentional.  There's no sane way to interpret the markup in comment 0 example 1.