<form>

<form> (form information group) groups all the information on the written and spoken forms of one headword. 9.3.1 Information on Written and Spoken Forms
Module dictionaries — 9 Dictionaries
In addition to global attributes att.lexicographic (@expand, @norm, @split, @value, @orig, @location, @mergedIn, @opt)
type classifies form as simple, compound, etc.
Status Optional
Datatype

<rng:ref name="data.enumerated"/>
data.enumerated
Suggested values include:
simple
single free lexical item
lemma
the headword itself
variant
a variant form
compound
word formed from simple lexical items
derivative
word derived from headword
inflected
word in other than usual dictionary form
phrase
multiple-word lexical item
Used by
May contain
Declaration

<rng:element name="form">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="att.lexicographic.attributes"/>
 <rng:optional>
  <rng:attribute name="type">
   <rng:choice>
    <rng:value>simple</rng:value>
    <rng:value>lemma</rng:value>
    <rng:value>variant</rng:value>
    <rng:value>compound</rng:value>
    <rng:value>derivative</rng:value>
    <rng:value>inflected</rng:value>
    <rng:value>phrase</rng:value>
    <rng:data type="Name"/>
   </rng:choice>
  </rng:attribute>
 </rng:optional>
 <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.formPart"/>
   <rng:ref name="model.global"/>
  </rng:choice>
 </rng:zeroOrMore>
</rng:element>
element form
{
   att.global.attributes,
   att.lexicographic.attributes,
   attribute type
   {
      "simple"
    | "lemma"
    | "variant"
    | "compound"
    | "derivative"
    | "inflected"
    | "phrase"
    | xsd:Name
   }?,
   (
      text
    | model.gLikemodel.phrasemodel.intermodel.formPartmodel.global
   )*
}
Example
<form>
 <orth>zaptié</orth>
 <orth>zaptyé</orth>
</form>

(from TLFi)