(bi-conditional feature-structure constraint)
defines a biconditional feature-structure constraint; both
consequent and antecedent are specified as feature structures or groups
of feature structures; the constraint is satisfied if both
subsume a given feature structure, or if both do not.
Attributes
Global attributes only
Example
Module
Declared in file teifsd2; Additional tag set for feature structures: enabled by TEI.fs
Data Description
May contain two feature structures or feature-structure
groups, separated by an empty <iff> element.
May contain
f fAlt fs iff
May occur within
fsConstraints
Declaration
<!ELEMENT bicond %om.RO; ((fs | f | fAlt), iff, (fs | f | fAlt))>
<!ATTLIST bicond
%a.global;>