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IE 8 bugs/defects

microsoft.public.internetexplorer.general






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  #1 (permalink)  
Old 07-07-2009
ahacks
 

Posts: n/a
IE 8 bugs/defects
IE8 apparently has some bugs which M.S. has not ironed out that work
correctly previous in IE versions as well as ALL OTHER major browsers.

Bug issue: Transparent animated GIFs when repeated (repeat-x or
repeat-y) in a background, the transparency fails and shows as a black
cover.

Note: switching to "compability mode" seems to have no effect

this bug is fully replicated on www.ahacks.com

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  #2 (permalink)  
Old 07-07-2009
PA Bear [MS MVP]
 

Posts: n/a
Re: IE 8 bugs/defects
Maybe your website's got bugs & defects?

IE Developer Center
http://msdn.microsoft.com/en-us/ie/default.aspx

Learn IE8
http://msdn.microsoft.com/en-us/ie/aa740473.aspx

HTML and DHTML Overviews and Tutorials
http://msdn.microsoft.com/en-us/library/ms537623.aspx and

Cascading Style Sheets (CSS)
http://msdn2.microsoft.com/en-us/ie/aa740476.aspx

Or you could post here instead:

MSDN IE Development Forums
http://social.msdn.microsoft.com/for...iedevelopment/
--
~Robear Dyer (PA Bear)
MS MVP-IE, Mail, Security, Windows Client - since 2002


ahacks wrote:
> IE8 apparently has some bugs which M.S. has not ironed out that work
> correctly previous in IE versions as well as ALL OTHER major browsers.
>
> Bug issue: Transparent animated GIFs when repeated (repeat-x or
> repeat-y) in a background, the transparency fails and shows as a black
> cover.
>
> Note: switching to "compability mode" seems to have no effect
>
> this bug is fully replicated on www.ahacks.com

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  #3 (permalink)  
Old 07-07-2009
ahacks
 

Posts: n/a
Re: IE 8 bugs/defects
PA Bear:
My website http://www.ahacks.com consists of one page right now (just to
prove a point) and it's fully DOM compliant and functions correctly with
all major browsers including Firefox, Safari & Opera.

So that leaves us with IE8 Normally I would say that would be your
typical arrogant MS thinking, however if you take time to examine the
source-code you'll see it's a simple issue that was functioning properly
in previous IE versions; IE7 and below

I further challenge you to find anywhere in the below msdn documentation
stating that transparent GIFs will no longer work when tiled.


PA Bear [MS MVP] wrote:
> Maybe your website's got bugs & defects?
>
> IE Developer Center
> http://msdn.microsoft.com/en-us/ie/default.aspx
>
> Learn IE8
> http://msdn.microsoft.com/en-us/ie/aa740473.aspx
>
> HTML and DHTML Overviews and Tutorials
> http://msdn.microsoft.com/en-us/library/ms537623.aspx and
> Cascading Style Sheets (CSS)
> http://msdn2.microsoft.com/en-us/ie/aa740476.aspx
> Or you could post here instead:
>
> MSDN IE Development Forums
> http://social.msdn.microsoft.com/for...iedevelopment/

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  #4 (permalink)  
Old 07-07-2009
PA Bear [MS MVP]
 

Posts: n/a
Re: IE 8 bugs/defects
I neither work for not represent Microsoft. You'd be much better off
posting in MSDN IE Development Forums.

ahacks wrote:
> PA Bear:
> My website http://www.ahacks.com consists of one page right now (just to
> prove a point) and it's fully DOM compliant and functions correctly with
> all major browsers including Firefox, Safari & Opera.
>
> So that leaves us with IE8 Normally I would say that would be your
> typical arrogant MS thinking, however if you take time to examine the
> source-code you'll see it's a simple issue that was functioning properly
> in previous IE versions; IE7 and below
>
> I further challenge you to find anywhere in the below msdn documentation
> stating that transparent GIFs will no longer work when tiled.
>
> PA Bear [MS MVP] wrote:
>> Maybe your website's got bugs & defects?
>>
>> IE Developer Center
>> http://msdn.microsoft.com/en-us/ie/default.aspx
>>
>> Learn IE8
>> http://msdn.microsoft.com/en-us/ie/aa740473.aspx
>>
>> HTML and DHTML Overviews and Tutorials
>> http://msdn.microsoft.com/en-us/library/ms537623.aspx and
>> Cascading Style Sheets (CSS)
>> http://msdn2.microsoft.com/en-us/ie/aa740476.aspx
>> Or you could post here instead:
>>
>> MSDN IE Development Forums
>> http://social.msdn.microsoft.com/for...iedevelopment/


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  #5 (permalink)  
Old 07-07-2009
ahacks
 

Posts: n/a
Re: IE 8 bugs/defects
PA Bear [MS MVP] wrote:
> I neither work for not represent Microsoft. You'd be much better off
> posting in MSDN IE Development Forums.

I was told this is place to report bugs, now that it has been released
from BETA.

do you have the right newsgroup URL ?

thx.


>
> ahacks wrote:
>> PA Bear:
>> My website http://www.ahacks.com consists of one page right now (just to
>> prove a point) and it's fully DOM compliant and functions correctly with
>> all major browsers including Firefox, Safari & Opera.
>>
>> So that leaves us with IE8 Normally I would say that would be your
>> typical arrogant MS thinking, however if you take time to examine the
>> source-code you'll see it's a simple issue that was functioning properly
>> in previous IE versions; IE7 and below
>>
>> I further challenge you to find anywhere in the below msdn documentation
>> stating that transparent GIFs will no longer work when tiled.
>>
>> PA Bear [MS MVP] wrote:
>>> Maybe your website's got bugs & defects?
>>>
>>> IE Developer Center
>>> http://msdn.microsoft.com/en-us/ie/default.aspx
>>>
>>> Learn IE8
>>> http://msdn.microsoft.com/en-us/ie/aa740473.aspx
>>>
>>> HTML and DHTML Overviews and Tutorials
>>> http://msdn.microsoft.com/en-us/library/ms537623.aspx and
>>> Cascading Style Sheets (CSS)
>>> http://msdn2.microsoft.com/en-us/ie/aa740476.aspx
>>> Or you could post here instead:
>>>
>>> MSDN IE Development Forums
>>> http://social.msdn.microsoft.com/for...iedevelopment/

>

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  #6 (permalink)  
Old 07-08-2009
Timothy Casey
 

Posts: n/a
Re: IE 8 bugs/defects
"ahacks" <webdev@ahacks.com> wrote in message
news:uBRt4lx$JHA.3556@TK2MSFTNGP04.phx.gbl...
> IE8 apparently has some bugs which M.S. has not ironed out that work
> correctly previous in IE versions as well as ALL OTHER major browsers.
>
> Bug issue: Transparent animated GIFs when repeated (repeat-x or repeat-y)
> in a background, the transparency fails and shows as a black cover.
>
> Note: switching to "compability mode" seems to have no effect
>
> this bug is fully replicated on www.ahacks.com


Part I of II: Assorted Problems...

Firstly: my compliments on your clever glass curtain idea - I haven't seen
this technique used before

The HTML is invalid.
Flags were valid in IE6 and below, but from IE7 up GML functionality
attached to overlapping flagged regions no longer applied - so opening an
element (or turning on a flag) may have unpredictable results in later
Microsoft browsers if the element is not closed inside any elements that
were open at the point where the element in question was opened.

Also, center & font tags are no longer valid and it's easier if you put all
the styling in the CSS or the style element in the head. Also, table-based
layouts are notoriously labour insensitive - which ultimately translates to
being more bug-prone. We can apply the same controls to the other HTML
elements such as the h3 and p elements - check their selectors in the style
element.

Did you realise that one of Google's script elements snuck into one table
but not the other?

Also the b & i elements are purely visual and won't necessarily carry
altered volume or tone when presented by aural UAs. The strong and em
elements are the ones to use if, were you to read your page to an audience,
you would alter the tone and or volume for the applicable parts.

Finally, if you don't tell the browser what to expect, the choice of HTML
interpretation can be somewhat unpredictable - so it's worth specifying your
doctype.

Try this instead:
__________________________________________________ ___________
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>
IE8 bugs/defects - sample test - some reasons to hold off upgrading
</title>
<style>
body {padding:10%;
text-align:center;}
table {border:1px;
width:770px;
height:300px;}
tr {height:100%;}
td {vertical-align:middle;
text-align:center;
background:none;
color:#FF0000;
height:100%;}
td span {background:#FFFFFF;}
.smiley {background-image: url(images/SmileyFace.jpg);
background-repeat: no-repeat;
background-position: center;}
.curtain {background-image: url(images/curtains.gif);
background-repeat: no-repeat;
background-position: center;}
.curtains {background-image: url(images/curtains.gif);
background-repeat: repeat-y;
background-position: center;}
p,
h3 {text-align:left;}
</style>
</head>
<body>
<h3>Internet Explorer (IE) 8 bugs/defects</h3>
<p>IE8 apparently has some bugs which M.S. has not ironed out
that work correctly previous in IE versions.</p>
<p><strong>Bug issue:</strong> Transparent animated GIFs when
repeated (repeat-x or repeat-y) in a background,
the transparency fails and shows as a black cover.</p>
<p><strong>Replicated sample:</strong> In the following table, the
smiley face is displayed behind the tiled curtains
background correctly in: FireFox (all versions)
Safari, IE5, IE6, & IE7 ...but (as of 6/18/09) not in IE8:</p>

<table class="smiley">
<tr>
<td class="curtain">See if you can see the smiley face behind this
text</td>
</tr>
</table>
<br>
<p>Using background-repeat: no-repeat :</p>

<script type="text/javascript"><!--
google_ad_client = "pub-4507360123933524";
/* firtst try 728x15, created 6/22/09 */
google_ad_slot = "6512737135";
google_ad_width = 728;
google_ad_height = 15;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>

<table class="smiley">
<tr>
<td class="curtain"><span>Here the backround is not
tiled/repeated.</td>
<tr>
</table>

<script type="text/javascript"><!--
google_ad_client = "pub-4507360123933524";
/* 2nd try 728x15, created 6/22/09 */
google_ad_slot = "4348225726";
google_ad_width = 728;
google_ad_height = 15;
//-->
</script>
<script type="text/javascript"
src="http://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>
<script type="text/javascript">
var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." :
"http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost +
"google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script>
<script type="text/javascript">
try {
var pageTracker = _gat._getTracker("UA-9412016-1");
pageTracker._trackPageview();
} catch(err) {}</script>

</body>
</html>
__________________________________________________ ___________

As shown, this does not appear to display as expected in IE8 - using valid
HTML as above.
However, consulting pp. 266-268 of the CSS2 specification, we discover that
there are six layers in a table, whose transparency must be accounted for
and a number of issues with respect to tables and table layer transparency.
I'd expect there to be diverging interpretations of the CSS2 specification
here - which makes tables les than ideal for glass curtain mechanisms.

--
Timothy Casey - Email: 5th-prime-number@timothycasey.info
Software: http://software-1011.com; Scientific IQ Test, Web Menus, Security
http://web-design-1011.com http://speed-reading-comprehension.com
Science & Geology: http://geologist-1011.com; http://geologist-1011.net

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  #7 (permalink)  
Old 07-08-2009
Timothy Casey
 

Posts: n/a
Re: IE 8 bugs/defects
"ahacks" <webdev@ahacks.com> wrote in message
news:uBRt4lx$JHA.3556@TK2MSFTNGP04.phx.gbl...
> IE8 apparently has some bugs which M.S. has not ironed out that work
> correctly previous in IE versions as well as ALL OTHER major browsers.
>
> Bug issue: Transparent animated GIFs when repeated (repeat-x or repeat-y)
> in a background, the transparency fails and shows as a black cover.
>
> Note: switching to "compability mode" seems to have no effect
>
> this bug is fully replicated on www.ahacks.com


Part II of II: I was going to call this Assorted Solutions but...

The "simplified" table-free layout reproduces the same bug, with or without
the 'middle' div element:

__________________________________________________ ___________
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>
IE8 bugs/defects - sample test - some reasons to hold off upgrading
</title>
<style type="text/css">
body {padding:10%;
text-align:center;}
.smiley {background-image: url(images/SmileyFace.jpg);
background-repeat:no-repeat;
background-position:center;
border:5px groove #888888;
width:770px;
height:300px;}
.smiley p {color:#FF0000;
text-align:center;}
.middle {padding-top:111px;}
.curtain {background: transparent url(images/curtains.gif);
background-repeat: no-repeat;
background-position: center;
height:100%;}
.curtain p {background:#FFFFFF;}
.curtains {background: transparent url(images/curtains.gif);
background-repeat:repeat-y;
background-position:center;
height:100%;}
p,
h3 {text-align:left;}
</style>
</head>
<body>
<h3>Internet Explorer (IE) 8 bugs/defects</h3>
<p>IE8 apparently has some bugs which M.S. has not ironed out
that work correctly previous in IE versions.</p>
<p><strong>Bug issue:</strong> Transparent animated GIFs when
repeated (repeat-x or repeat-y) in a background,
the transparency fails and shows as a black cover.</p>
<p><strong>Replicated sample:</strong> In the following table, the
smiley face is displayed behind the tiled curtains
background correctly in: FireFox (all versions)
Safari, IE5, IE6, & IE7 ...but (as of 6/18/09) not in IE8:</p>
<div class="smiley">
<div class="curtains">
<div class="middle">
<p>See if you can see the smiley face behind this text</p>
</div>
</div>
</div>
<p>&nbsp;</p>
<p>Using background-repeat: no-repeat :</p>
<div class="smiley">
<div class="curtain">
<div class="middle">
<p>Here the backround is not tiled/repeated.</p>
</div>
</div>
</div>
</body>
</html>
__________________________________________________ ___________

Here the HTML is valid, and checks out at:

http://validator.w3.org

but IE8's response is definitely not valid, confirming your original
observation. It also fails in compatibility mode.

I too would like to know where these bugs are reported...

--
Timothy Casey - Email: 5th-prime-number@timothycasey.info
Software: http://software-1011.com; Scientific IQ Test, Web Menus, Security
http://web-design-1011.com http://speed-reading-comprehension.com
Science & Geology: http://geologist-1011.com; http://geologist-1011.net

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  #8 (permalink)  
Old 07-08-2009
Daniel Crichton
 

Posts: n/a
Re: IE 8 bugs/defects
ahacks wrote on Tue, 07 Jul 2009 18:38:31 -0400:

> PA Bear [MS MVP] wrote:
>> I neither work for not represent Microsoft. You'd be much better off
>> posting in MSDN IE Development Forums.

> I was told this is place to report bugs, now that it has been released
> from BETA.


> do you have the right newsgroup URL ?


> thx.


This is an unmoderated newsgroup and most of the people who post here do not
work for MS. There is nowhere to report bugs in IE8 officially, as far as I
am aware. While you can post them here, it's unlikley that anyone on the IE
dev team will ever see them. Who told you to report them here? The MSDN IE
forums are much more likely to get you some relevant feedback, this
newsgroup is .general which is for "general discussion" and so the majority
of the posts are from people who have configuration issues rather than bugs.

--
Dan


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  #9 (permalink)  
Old 07-08-2009
Daniel Crichton
 

Posts: n/a
Re: IE 8 bugs/defects
ahacks wrote on Tue, 07 Jul 2009 18:10:32 -0400:

> PA Bear:
> My website http://www.ahacks.com consists of one page right now (just
> to prove a point) and it's fully DOM compliant and functions correctly
> with all major browsers including Firefox, Safari & Opera.


It's not W3C compliant

http://validator.w3.org/check?uri=ht...Inline&group=0

At least run a few simple tests before making spurious claims (and yes, I'm
aware that fixing the HTML to be valid is unlikely to cure the bug, but at
least take the time to verify it yourself).

--
Dan


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  #10 (permalink)  
Old 07-08-2009
Daniel Crichton
 

Posts: n/a
Re: IE 8 bugs/defects
Daniel wrote to ahacks on Wed, 8 Jul 2009 10:47:35 +0100:

> ahacks wrote on Tue, 07 Jul 2009 18:38:31 -0400:


>> PA Bear [MS MVP] wrote:
>>> I neither work for not represent Microsoft. You'd be much better
>>> off posting in MSDN IE Development Forums.

>> I was told this is place to report bugs, now that it has been
>> released from BETA.


>> do you have the right newsgroup URL ?


>> thx.


Oh, the URL is

http://social.msdn.microsoft.com/For...opment/threads

It's not a newsgroup, it's a forum at PA Bear already stated.

--
Dan


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