<metSym>

<metSym> 說明在標記韻律模式時使用的特定符號或符號序列所代表的意義，可以是明確的文字闡釋，或是加以解釋同ㄧ個韻律宣告中其他韻律符號元素的內容。 6.5 Metrical Notation Declaration
組件 verse — 6 Verse
除全域屬性以外
value 標明所紀錄的符號或符號序列。
狀態 必備的
資料類型 1–∞ 次可出現:  

<rng:ref name="data.word"/>
data.word
以空白鍵隔開
terminal 標明該符號是否以其他符號來定義 (terminal為false) 或以散文描述 (terminal為true)
狀態 可應用時必備的
資料類型 

<rng:ref name="data.truthValue"/>
data.truthValue
屬於
metDecl
可包含
analysis: interp interpGrp span spanGrp
certainty: certainty precision respons
core: abbr address cb choice date distinct email emph expan foreign gap gloss index lb measure measureGrp mentioned milestone name note num pb ptr ref rs soCalled term time title
dictionaries: lang
figures: figure
header: idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc country district forename genName geo geogFeat geogName nameLink offset orgName persName placeName region roleName settlement state surname
spoken: incident kinesic pause shift vocal writing
tagdocs: att code gi ident tag val
textcrit: witDetail
transcr: addSpan am damageSpan delSpan ex fw handShift space subst
宣告 

<rng:element name="metSym">
 <rng:ref name="att.global.attributes"/>
 <rng:attribute name="value">
  <rng:list>
   <rng:ref name="data.word"/>
   <rng:zeroOrMore>
    <rng:ref name="data.word"/>
   </rng:zeroOrMore>
  </rng:list>
 </rng:attribute>
 <rng:optional>
  <rng:attribute name="terminal" a:defaultValue="true">
   <rng:ref name="data.truthValue"/>
  </rng:attribute>
 </rng:optional>
 <rng:ref name="macro.phraseSeq.limited"/>
</rng:element>
element metSym
{
   att.global.attributes,
   attribute value { list { data.word, data.word* } },
   attribute terminal { data.truthValue }?,
   macro.phraseSeq.limited
}
例子
<metSym value="仄">抑聲</metSym>
<metSym value="平">揚聲</metSym>