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I recently RESET FACTORY DEFAULTS in IE9 Internet Options.  since, sites are defaulting into quirksmode and making everything look all wonky.  these sites never triggered QM before.  some of them are sites we developed with (what we think are) proper DTDs.  and other computers running IE9 are not jumping into QM.  cant find anything via google search about IE9 settings.  all quirksmode searches relate to the development side and how to avoid triggering it with proper code.

 

anyone know of settings in IE9 for this? 

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https://forums.phpfreaks.com/topic/285918-shutting-off-quirksmode-in-ie9/
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You think they're correct DTDs? Have you run any kind of HTML verification tool or, you know, looked at those sites in different browsers?

 

IE9 should default to standards mode, and only go into quirks mode if the doctype is messed up. If you need to fix your doctypes, just use <!doctype HTML>. That's the HTML 5 doctype, but properly formatted 4.01 or XHTML will work just fine with it. Much easier to deal with than the crappy old doctype declarations.

grabbed doctype from w3: http://www.w3.org/QA/2002/04/valid-dtd-list.html

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

 

and the page file validates with w3 validator: http://validator.w3.org/

 

i wrote "(what we think are)" because i dont like to presume much.  too many people look past obvious solutions when they are arrogant enough to "be certain" of what they know. 

 

the site renders properly in newest versions of FF, Safari, and Chrome on my pc, laptop, ipad and iphone.  again, the site in question, using the doctype i pasted above, has rendered in IE9 Standards Mode all along on my pc and it still does on my laptop.   only once i RESET INTERNET EXPLORER SETTINGS in the Options menu did the site start rendering in quirksmode on my pc ONLY so i suspect its soemthing in this particular instance of IE9 settings. 

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