It say : "This element specifies that the contents of this run shall be displayed as if each character has a shadow, displayed beneath the text and to its right."
For RTL text, the shadow should be displayed beneath the text and to its left.
"shadow (Shadow)"
, page 214 Section 2.3.2.29
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Proposed Disposition of DIS 29500 Comment IL-0006 (Modified: 2007-12-20) Agreed; the following changes will be made to Part 4, §2.3.2.29, page 214, lines 1415: This element specifies that the contents of this run shall be displayed as if each character has a shadow . For left-to-right text, the shadow is displayed beneath the text and to its right ; for right-to-left text, the shadow is beneath the text and to its left.
