<lem>

<lem> (lemma) 異なるテキストにおける対象語，すなわち基底テキスト(base text)を示す． [12.1 The Apparatus Entry, Readings, and Witnesses]
モジュールtextcrit — Critical Apparatus
属性att.global (@xml:id, @n, @xml:lang, @xml:base, @xml:space) (att.global.rendition (@rend, @style, @rendition)) (att.global.linking (@corresp, @synch, @sameAs, @copyOf, @next, @prev, @exclude, @select)) (att.global.analytic (@ana)) (att.global.facs (@facs)) (att.global.change (@change)) (att.global.responsibility (@cert, @resp)) att.textCritical (@type, @cause, @varSeq, @hand) (att.source (@source)) att.witnessed (@wit)
上位
textcrit: app rdgGrp
下位
analysis: c cl interp interpGrp m pc phr s span spanGrp w
certainty: certainty precision respons
core: abbr add address bibl biblStruct binaryObject cb choice cit corr date del desc distinct email emph expan foreign gap gb gloss graphic hi index label lb list listBibl measure measureGrp media mentioned milestone name note num orig pb ptr q quote ref reg rs said sic soCalled stage term time title unclear
dictionaries: lang oRef oVar pRef pVar
drama: camera caption castList move sound tech view
figures: figure formula notatedMusic table
gaiji: g
header: biblFull idno
iso-fs: fLib fs fvLib
linking: alt altGrp anchor join joinGrp link linkGrp seg timeline
msdescription: catchwords depth dim dimensions height heraldry locus locusGrp material msDesc objectType origDate origPlace secFol signatures stamp watermark width
namesdates: addName affiliation bloc climate country district forename genName geo geogFeat geogName listEvent listNym listOrg listPerson listPlace location nameLink offset orgName persName placeName population region roleName settlement state surname terrain trait
spoken: incident kinesic pause shift vocal writing
tagdocs: att classSpec code constraintSpec eg egXML elementSpec gi ident listRef macroSpec moduleSpec specDesc specGrp specGrpRef specList tag val
textcrit: app lacunaEnd lacunaStart listApp listWit wit witDetail witEnd witStart
textstructure: floatingText
transcr: addSpan am damage damageSpan delSpan ex fw handShift listTranspose metamark mod redo restore retrace space subst substJoin supplied surplus undo
verse: caesura rhyme
宣言

<rng:element name="lem">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.global.rendition.attributes"/>
 <rng:ref name="att.global.linking.attributes"/>
 <rng:ref name="att.global.analytic.attributes"/>
 <rng:ref name="att.global.facs.attributes"/>
 <rng:ref name="att.global.change.attributes"/>
 <rng:ref name="att.global.responsibility.attributes"/>
 <rng:ref name="att.textCritical.attributes"/>
 <rng:ref name="att.source.attributes"/>
 <rng:ref name="att.witnessed.attributes"/>
 <rng:zeroOrMore>
  <rng:choice>
   <rng:text/>
   <rng:ref name="model.gLike"/>
   <rng:ref name="model.phrase"/>
   <rng:ref name="model.inter"/>
   <rng:ref name="model.global"/>
   <rng:ref name="model.rdgPart"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element lem
{
   att.global.attributes,
   att.global.rendition.attributes,
   att.global.linking.attributes,
   att.global.analytic.attributes,
   att.global.facs.attributes,
   att.global.change.attributes,
   att.global.responsibility.attributes,
   att.textCritical.attributes,
   att.source.attributes,
   att.witnessed.attributes,
   (
      text
    | model.gLike
    | model.phrase
    | model.inter
    | model.global
    | model.rdgPart
   )*
}
例
<app>
 <lem wit="#El #Hg">Experience</lem>
 <rdg wit="#La" type="substantive">Experiment</rdg>
 <rdg wit="#Ra2" type="substantive">Eryment</rdg>
</app>
解説

校勘学において用語「lemma」は，テキスト中の解釈を指すものとして使 われる(現存資料中の解釈とは異なる)．これは，数学上の意味(証明過程 中のいち段階)とは異なっている．また，自然言語処理上の意味(本文中の 屈折形と関連する，辞書中の項目)とも異なる．