@@ -190,6 +190,14 @@ <h2 id="intro">
190190
191191< p > [document here]</ p >
192192
193+ < p id ="grapheme-cluster "> A < dfn > grapheme cluster</ dfn > is what
194+ a language user considers to be a character or a basic unit of the
195+ script. The term is described in detail in the Unicode Technical
196+ Report: Text Boundaries [[!UAX29]]. This specification uses the
197+ < em > extended grapheme cluster</ em > definition in [[!UAX29]] (not
198+ the < em > legacy grapheme cluster</ em > definition). The UA may further
199+ tailor the definition as allowed by Unicode.
200+
193201 < h3 id ="script-groups "> Script Groups</ h3 >
194202
195203 < p > Typographic behavior varies somewhat by language, but varies drastically
@@ -2596,14 +2604,6 @@ <h3 id="letter-spacing">
25962604 addition to any word-spacing. 'normal' optimum letter-spacing is
25972605 typically zero.</ p >
25982606
2599- < p id ="grapheme-cluster "> A < dfn > grapheme cluster</ dfn > is what
2600- a language user considers to be a character or a basic unit of the
2601- script. The term is described in detail in the Unicode Technical
2602- Report: Text Boundaries [[!UAX29]]. This specification uses the
2603- < em > extended grapheme cluster</ em > definition in [[!UAX29]] (not
2604- the < em > legacy grapheme cluster</ em > definition). The UA may further
2605- tailor the definition as allowed by Unicode.
2606-
26072607 < p > Letter-spacing must not be applied at the beginning or at the end
26082608 of a line. At element boundaries, the letter spacing is given by
26092609 and rendered within the innermost element that < em > contains</ em >
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