Jesper Brunholm wrote:

>I'll definitely second Georg here, em scaling is best when used to keep 
>content inside the window on at least one axis (and, just for "tradition 
>keeps the customer"'s sake - make that the horizontal axis :-) )
>  
>

I'm sorry, but I don't understand how em-based widths have anything to 
do with preventing horizontal scrollbars.  It seems as if you and Georg 
want the following conditions to be met:

1. Text scales with the user's preferences.
2. All content fits horizontally on the page.

#1 is accomplished by setting font sizes in a relative unit.

#2 is accomplished by setting the width of a container in a percentage.

So what do either of your goals have to do with em-based design?  The 
point of using ems is:

3. To keep proportions of page elements the same so that line lengths 
remain the same (to keep them readable).

But #3 is in direct conflict with #2.  There's nothing wrong with this 
-- you just have different goals than Al.  There are very probably 
designs where #2 is a more useful goal than #3, and very probably 
designs were #3 is a more useful goal than #2.

I won't get into what my goals are in general -- that's irrelevant -- 
but I will say that I agree completely with Al's point: you completely 
defeat the purpose of using ems for widths if #2 is one of your goals.  
Again, there's nothing wrong with goal #2, but it has nothing to do with 
ems.

Zoe

-- 
Zoe M. Gillenwater
Design Services Manager
UNC Highway Safety Research Center
http://www.hsrc.unc.edu

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