<classSpec xmlns="http://www.tei-c.org/ns/1.0" rend="add" ident="att.spacing" module="MEI.shared" type="atts">
<desc xml:lang="en">Attributes that capture notation spacing information.</desc>
<attList>
<attDef ident="spacing.packexp" usage="opt">
<desc xml:lang="en">Describes a note’s spacing relative to its time value.</desc>
<datatype>
<dataRef name="decimal"/>
</datatype>
</attDef>
<attDef ident="spacing.packfact" usage="opt">
<desc xml:lang="en">Describes the note spacing of output.</desc>
<datatype>
<dataRef name="decimal"/>
</datatype>
</attDef>
<attDef ident="spacing.staff" usage="opt">
<desc xml:lang="en">Specifies the minimum amount of space between adjacent staves in the same system;
measured from the bottom line of the staff above to the top line of the staff
below.</desc>
<datatype>
<dataRef key="data.MEASUREMENTSIGNED"/>
</datatype>
</attDef>
<attDef ident="spacing.system" usage="opt">
<desc xml:lang="en">Describes the space between adjacent systems; a pair of space-separated values
(minimum and maximum, respectively) provides a range between which a rendering
system-supplied value may fall, while a single value indicates a fixed amount of space;
that is, the minimum and maximum values are equal.</desc>
<datatype minOccurs="1" maxOccurs="2">
<dataRef key="data.MEASUREMENTSIGNED"/>
</datatype>
</attDef>
</attList>
</classSpec>