Add alt attribute to alert image.
Remove the frameborder attribute, we don't support browsers old enough to worry.
Make form elements clear both floats.
Hide Google Chrome Frame and the HTML5shim from non-IE browsers.
Standardise markup formatting for new tags beginning with a whitespace chomp flag.
Remove the now redundant <:or:> tags when there is no alternate value.
Remove the now redundant <:or: Which> tags when there is no alternate value.
Add html escaping to static "target" tags.
Fix admin_url.
The first child of a "fieldset" must be a "legend", move hidden inputs accordingly.
Avoid tag id conflict.
Clean up whitespace.
Escape link ampersands.
Remove the now redundant <:- or: Which> tags when there is no alternate value.
Add missing space between input attributes.
Fix tier_price field error_img markup and help file target.
Escape report link ampersands.