Solution - how to superscript without affecting line spacing

Thought I would share a discovery.

A problem that has nagged me throughout the years is how to avoid changing 
the line spacing when using superscripts.  The HTML way to superscript is 
to do something like 2<sup>nd</sup>, which pushes the superscript up so 
high that the line spacing typically expands to make room for it.  Here is 
some CSS that fixes the problem:

       sup { vertical-align:text-top; }

Likewise for subscripts you can also do:

      sub { vertical-align:text-bottom; }

[]  HTH, Chuck Upsdell

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