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Posted by dorayme on 06/26/07 23:01
In article <5ed3i4F3898moU1@mid.individual.net>,
Bergamot <bergamot@visi.com> wrote:
> Non-zero length values require a unit: em, px, %, etc.
This is right.
However, there is a small implication here that it is quite ok
not to use them for zero lengths. Technically this is correct.
However, there is an issue of some gravity here.
Jean-Paul Sartre was sitting at a French cafe, revising his draft
of Being and Nothingness. He said to the waitress, "I'd like a
cup of coffee, please, with no cream." The waitress replied, "I'm
sorry, monsieur, but we're out of cream. How about with no milk?"
Now surely, if a cup of coffee without milk is different to a cup
of coffee without cream, then a length without any pixels is
different to a length without any em width. So those with a
particular interest in great clarity in their css might be wise
to use units for zero lengths too. It will do no harm and it will
communicate more precisely with those who read css sheets.
--
dorayme
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