284347 - MAC-ONLY: DIV tags empty or containing NBSP do not render styles properly

Status: RESOLVED WORKSFORME

(Core Graveyard :: GFX: Mac, defect)

Description

[Kevin Marshall]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0
Build Identifier: Mozilla/5.0 (Macintosh; U; PPC Mac OS X Macho-O; en-US; rv:1.7.3) Gecko/20041026 Firefox/1.0RC1

This problem is unique to the MACINTOSH version. When rendering a web page, if a
DIV tag is empty or contains a non-breaking space, it does not render styles
properly.

On a Macintosh running Firefox 1.0RC1, compare
http://www.wwu.edu:8080/index_broken.shtml to http://www.wwu.edu . Notice how
the yellow areas to the left side and the bottom are not yellow on the Macintosh
version. The "broken" version contains only non-breaking spaces, whereas the
"fixed" version contains "_".

Reproducible: Always

Steps to Reproduce:
Visit http://www.wwu.edu:8080/index_broken.shtml for a working example of this
problem.
1. Create DIV tag
2. Attach styles, including background-color to DIV tag
3. Do not populate DIV tag with content

Actual Results:  
Background color did not render properly.

Expected Results:  
It should have rendered the background color. It does for other versions of Firefox.

Comment 1

[Simon Fraser [no longer active]]

Please attach a reduced testcase.

Comment 2

[L. H.]

WFM with 20050225 Firefox and Firefox 1.0 on OS X.

Comment 3

[Ian Brandt]

Attachment: Reduced Test

I believe this is a test case for the reported bug.  Modifying this I found
with Firefox 1.0.3 for OS X that the last empty div, whether it was written
shorthand or with a closing tag, was always rendered, but prior empty divs were
only rendered if they were written with a closing tag.	I couldn't find
anything in the specs that would explain the difference, but I only searched
briefly.  

I found identical results with Safari 1.3, and in VirtualPC with IE6 and
Firefox 1.0.3 for Windows.

Comment 4

[Gervase Markham [:gerv]]

This is an automated message, with ID "auto-resolve01".

This bug has had no comments for a long time. Statistically, we have found that
bug reports that have not been confirmed by a second user after three months are
highly unlikely to be the source of a fix to the code.

While your input is very important to us, our resources are limited and so we
are asking for your help in focussing our efforts. If you can still reproduce
this problem in the latest version of the product (see below for how to obtain a
copy) or, for feature requests, if it's not present in the latest version and
you still believe we should implement it, please visit the URL of this bug
(given at the top of this mail) and add a comment to that effect, giving more
reproduction information if you have it.

If it is not a problem any longer, you need take no action. If this bug is not
changed in any way in the next two weeks, it will be automatically resolved.
Thank you for your help in this matter.

The latest beta releases can be obtained from:
Firefox:     http://www.mozilla.org/projects/firefox/
Thunderbird: http://www.mozilla.org/products/thunderbird/releases/1.5beta1.html
Seamonkey:   http://www.mozilla.org/projects/seamonkey/

Comment 5

[Boris Zbarsky [:bzbarsky]]

So what does that testcase render like on Mac?  What is should render as is a
100px tall teal band followed by a 100px tall maroon band.  There should be no
yellow.

Comment 6

[Simon Fraser [no longer active]]

Indeed, it shows no yellow.