f:is-empty-length

f:is-empty-length — Tests if a length is empty.

Function:
{http://docbook.org/ns/docbook/functions}is-empty-length#1
Defined in:
modules/units.xsl
Used in:
modules/units.xsl, modules/objects.xsl
Used by:
f:equal-lengths(), f:mediaobject-viewport()

Synopsis

f:is-empty-length($length as map(*)?) as xs:boolean

Description

Returns true if the length is empty. For a discussion of units and lengths, see Section 4.2, Lengths and units.