At 20:14 (London time), on 3/8/07, [EMAIL PROTECTED] said:

>> (Still falls foul of a minimum font-size set in the browser preferences, 
>> though.)
>
>I wouldn't say it "falls foul". If a user has set a minimum size, then a 
>page should heed that. It still *respects* minimum font-size settings.

Well, the problem as far as I can see it, is the assumption that the
user has a default font size of 16. Using the clagnut method (or Nick's
reverse 125%/50% method), I would be specifying 1.2ems in order to get
text 12px high that IE can resize. But if the user has changed his
default size to 12 because, not unreasonably, he or she felt that 12 was
a comfortable reading size, then my 1.2 em type will be displayed at
9px, not 12, which is not very readable at all.

So, in calculating your 'readable' text size as a proportion of the
(admittedly overlarge) default size, you make yourself vulnerable should
the user have already made their own compensation for the overly large
default size. The more I look at the clagnut solution, the more I come
to the conclusion that relying on the user having their browser's
default text size unchanged is simply building a house on sand. Sooner
or later it's coming down around your ears.

-- 
Rick Lecoat



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