o:p tags cause linebreak problems in IE6/7

[Michael Ney]

Occurs in IE6 and IE7. Does not occur in Firefox.

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How to reproduce:

In source mode, add the content: <o:p>Some Content</o:p>

Exit source mode. Press Enter.

You will find that no linebreak occurs. When you return to the source view, you will see a </o:p><o:p> was added. This occurs even if the <o:p></o:p> is between <p></p> tags.

And further, MS Word sometimes leaves a trailing <o:p></o:p> at the end of lines when importing. This results in people asking, "Why is my enter key not making a line break?"

[Frederico Caldeira Knabben]

Confirmed with IE6. Ok with FF2.

With the SVN trunk, an error is thrown instead.

Of course, we recommend users to use "Paste from Word" to remove such kind of Word tags on pasting.

[Frederico Caldeira Knabben]

Even if scopeName is an IE only beast, it doesn't tell us that the scope in not present in the name. We should instead specifically restrict the check to IE, as it may happen that other browsers (typically Opera) may implement this property anytime in the future, potentially breaking our code:

if ( FCKBrowserInfo.IsIE && e.scopeName != 'HTML' ) 

[Martin Kou]

Updated patch to add browser check.

[Martin Kou]

Fixed with [1569].

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