V4REV update -- remove dialog CLOSE BEFORE.

[Robert Brenstein]

>>Hmm, I would disagree about the user-friendliness.  The examples 
>>currently contain a table of contents.  When I click on a table of 
>>contents I expect to navigate from what I am currently viewing to 
>>the new topic I clicked on.  Right now I have two extra steps - 1) 
>>Close the example I am currently looking at and 2) click the table 
>>of contents again.  In my mind that is less user-friendly.
>>
>>In the end this isn't a big deal and perhaps just personal preference.
>
>Well, yes, it is personal preference to some degree.
>
>Of course, if you are not aware of this behavior, it may be quite 
>disconcerting to have a few windows suddenly close. Even when aware, 
>I may inadvertly try to open a new example before being really done 
>with the one showing up.
>
>We should actually be able to open multiple examples at the same 
>time. Then this issue is moot. In real applications, I must be able 
>to do such a thing, so examples might as well test it out.
>
>Robert

And this is already implemented by the way... I mean the dialog 
warning to close another example.

Robert