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Article:
The Vanishing Image: XHTML 2 Migration Issues
Subject: Use of Conditional Comments
Date: 2003-07-04 20:50:34
From: MikeyC Cacciottolo
Response to: Use of Conditional Comments
IE6 sp1 - english running on Windows NT &
IE6 sp1 - english running on Windows XP


Here is the exact example I used (and I just double-checked it):


<!-- [if !IE] -->
i can see this in Internet Explorer
<!-- <![endif] -->

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  • Use of Conditional Comments
    2003-07-05 04:38:08 Florian Bauer [Reply]

    That is strange:
    Here is my example:


    <!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" xml:lang="de" lang="de">
    <head>
    </head>
    <body>


    <!--[if !IE]> -->
    IE doesn't see this.
    <!-- <![endif] -->


    </body>
    </html>


    I checked this with ie6 on winxp, and ie5.5 on win98, both in the german version.
    I also tried your example and the conditional comments do also work there.
    strange...
    cheers
    Florian

    • Use of Conditional Comments
      2003-07-05 11:25:34 MikeyC Cacciottolo [Reply]

      I've isolated the problem. Your original example was:
      <!-- [if !IE] -->
      <object></object>
      <!-- <![endif] -->


      Your follow-up example was (notice there is no space before the opening bracket of the if statement):


      <!--[if !IE] -->
      <object></object>
      <!-- <![endif] -->


      Your second example is indeed correct. Why do trhings have to be so confusing ;)

    • Use of Conditional Comments
      2003-07-06 16:17:35 MikeyC Cacciottolo [Reply]

      I just realized something else. The example we've been playing with thus far uses a transitional doctype as it doesn't validate using a strict doctype. Something about character data not being allowed there according to the validator.


      XHTML 2 won't have a transitional mode (as far as I'm aware), so it seems that you can't use conditional comments anyways to deal with IE's broken Object support.


      Please correct me if I'm wrong.

      • Re: Use of Conditional Comments
        2003-10-16 18:09:25 Lenny D [Reply]

        "I just realized something else. The example we've been playing with thus far uses a transitional doctype as it doesn't validate using a strict doctype. Something about character data not being allowed there according to the validator."


        XHTML does not allow character data at the <body> level. It must be within a block level element such as

        .

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