<am>

<am> (abbreviation marker) contains a sequence of letters or signs present in an abbreviation which are omitted or replaced in the expanded form of the abbreviation. [11.3.1.2. Abbreviation and Expansion]
Module transcr
Attributes
att.global
xml:id
n
xml:lang
att.global.rendition
style
rendition
att.global.linking
corresp
copyOf
next
prev
att.typed
type
att.editLike
evidence
Member of
Contained by
May contain
gaiji: g
character data
Note
This is a non-conformant change to add am to att.placement.
Examples

do you 
<abbr>Mr<am>.</am>
   
</abbr> Jones?    

<choice>
   
<abbr>Aug<am>g</am>
   
</abbr>
   
<expan>Aug<ex>ustorum duo</ex>
   
</expan>
</choice>

<abbr>eu<am>
      
<g ref="#b-er"/>
   
</am>y</abbr>
<abbr>
   
<am>
      
<g ref="#b-per"/>
   
</am>sone
     
</abbr>  ...  
Source Github

<elementSpec rend="change" module="transcr" ident="am">
   
<gloss>abbreviation marker</gloss>
   
<desc>contains a sequence of letters or signs present in an
 abbreviation which are omitted or replaced in the expanded form of
 the abbreviation.
</desc>
   
<classes>
      
<memberOf key="att.placement"/>
      
<memberOf key="att.global"/>
      
<memberOf key="model.pPart.editorial"/>
      
<memberOf key="att.typed"/>
      
<memberOf key="att.editLike"/>
   
</classes>
   
<content>
      
<alternate minOccurs="0" maxOccurs="unbounded">
         
<textNode/>
         
<classRef key="model.gLike"/>
         
<classRef key="model.pPart.transcriptional"/>
      
</alternate>
   
</content>
</elementSpec>