QA DTD list page--don't use multiple internal scrolling regions

Regarding the page at http://www.w3.org/QA/2002/04/valid-dtd-list.html:

Please do NOT use "overflow: scroll" for individual PRE elements.

That can make things really inconvenient, requiring the user to scroll
each block of content individually, instead of simply using the
browser's overall horizontal scroll bar (and shortcuts such as
simply pressing the left or right arrow key).

(If you don't see the problem, narrow your browser window to see how
it looks.  In paticular, try looking at the content of (and scrolling)
multiple PRE blocks to see how inconvenient it gets.)


Additionally, notice how "overflow: scroll" requires repeated
scrolling even when the browser window _is_ wide enough to display
the _content_ of the PRE elements:

When the browser pane is narrow enough to not be able to display
all of the gray left margin, the white indentation of the PRE
elements, and the content of the PRE elements, the browser would
normally display a horizontal scroll bar.

If that width _is_ enough to display the content of PRE elements,
then once the user scrolls horizontally to see the PRE content, the
user normally could see _all_ of the PRE content without further
horizontal scrolling.

However, with the current "overflow: scroll" setting, even if a PRE
element's content would fit in the browser pane width, the user is
still forced to scroll horizontally in order to see it.


These are the _Quality_ Assurance pages.  Though they're mostly
fine, they would benefit from a little more attention to page design
quality (usuability).



Daniel
-- 
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