Dynamicdeezign, documentation of html and css
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<bdo> I18N BiDi over-ride
Bi-directional text. Defines an element that has different directional content from right to left like arabic language.
-) dir : direction ltr : from left to right
rtl : from right to left
<bdo dir="rtl"> description </bdo>

For complete reference see html reference at W3C
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GW..1   GX..1   GY..1   GZ..1