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 * additional information regarding copyright ownership.
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 * The Apereo Foundation licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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<!ELEMENT acadArea ( major*, minor* ) >
<!ATTLIST acadArea abbv CDATA #REQUIRED >
<!ATTLIST acadArea classification CDATA #REQUIRED >

<!ELEMENT acknowledgement ( message* ) >
<!ATTLIST acknowledgement result ( ok | fail ) #REQUIRED >

<!ELEMENT alternative (preferences?) >
<!ATTLIST alternative courseNumber CDATA #REQUIRED >
<!ATTLIST alternative subjectArea CDATA #REQUIRED >
<!ATTLIST alternative title CDATA #IMPLIED >

<!ELEMENT cancelStudent EMPTY >
<!ATTLIST cancelStudent delete ( true | false ) "false" >

<!ELEMENT choice ( depends* ) >
<!ATTLIST choice available ( false | true ) #IMPLIED >
<!ATTLIST choice date CDATA #IMPLIED >
<!ATTLIST choice days CDATA #IMPLIED >
<!ATTLIST choice endTime CDATA #IMPLIED >
<!ATTLIST choice id CDATA #REQUIRED >
<!ATTLIST choice instructor CDATA #IMPLIED >
<!ATTLIST choice selection ( select | wait ) #IMPLIED >
<!ATTLIST choice startTime CDATA #IMPLIED >
<!ATTLIST choice time CDATA #IMPLIED >

<!ELEMENT class ( choice* ) >
<!ATTLIST class assignmentId CDATA #IMPLIED >
<!ATTLIST class date CDATA #IMPLIED >
<!ATTLIST class days CDATA #IMPLIED >
<!ATTLIST class endTime CDATA #IMPLIED >
<!ATTLIST class id CDATA #IMPLIED >
<!ATTLIST class instructor CDATA #IMPLIED >
<!ATTLIST class location CDATA #IMPLIED >
<!ATTLIST class name CDATA #IMPLIED >
<!ATTLIST class note CDATA #IMPLIED >
<!ATTLIST class parent CDATA #IMPLIED >
<!ATTLIST class startTime CDATA #IMPLIED >
<!ATTLIST class time CDATA #IMPLIED >
<!ATTLIST class externalId CDATA #IMPLIED >
<!ATTLIST class type CDATA #IMPLIED >
<!ATTLIST class suffix CDATA #IMPLIED >
<!ATTLIST class required ( false | true ) #IMPLIED >

<!ELEMENT courseOffering ( alternative | class | preferences)* >
<!ATTLIST courseOffering alternative ( false | true ) #IMPLIED >
<!ATTLIST courseOffering courseNumber CDATA #REQUIRED >
<!ATTLIST courseOffering credit CDATA #IMPLIED >
<!ATTLIST courseOffering subjectArea CDATA #REQUIRED >
<!ATTLIST courseOffering title CDATA #IMPLIED >
<!ATTLIST courseOffering waitlist ( false | true ) #IMPLIED >
<!ATTLIST courseOffering critical ( false | true ) #IMPLIED >

<!ELEMENT courseRequests ( courseOffering | freeTime )* >
<!ATTLIST courseRequests distribution ( dense | spread ) #IMPLIED >

<!ELEMENT depends ( depends* ) >
<!ATTLIST depends choice CDATA #REQUIRED >
<!ATTLIST depends class CDATA #REQUIRED >
<!ATTLIST depends selection ( select | wait ) #IMPLIED >

<!ELEMENT disability EMPTY >
<!ATTLIST disability code CDATA #REQUIRED >

<!ELEMENT email EMPTY >
<!ATTLIST email value CDATA #REQUIRED >

<!ELEMENT freeTime EMPTY >
<!ATTLIST freeTime days CDATA #REQUIRED >
<!ATTLIST freeTime endTime CDATA #REQUIRED >
<!ATTLIST freeTime length CDATA #IMPLIED >
<!ATTLIST freeTime startTime CDATA #REQUIRED >
<!ATTLIST freeTime time CDATA #IMPLIED >

<!ELEMENT groupAffiliation EMPTY >
<!ATTLIST groupAffiliation code CDATA #REQUIRED >

<!ELEMENT major EMPTY >
<!ATTLIST major code CDATA #REQUIRED >
<!ATTLIST major concentration CDATA #IMPLIED >
<!ATTLIST major degree CDATA #IMPLIED >
<!ATTLIST major weight CDATA #IMPLIED >

<!ELEMENT message ( #PCDATA ) >
<!ATTLIST message type CDATA #REQUIRED >

<!ELEMENT minor EMPTY >
<!ATTLIST minor code CDATA #REQUIRED >

<!ELEMENT name EMPTY >
<!ATTLIST name first CDATA #REQUIRED >
<!ATTLIST name last CDATA #REQUIRED >
<!ATTLIST name middle CDATA #IMPLIED >

<!ELEMENT notification ( student ) >
<!ATTLIST notification campus CDATA #REQUIRED >
<!ATTLIST notification year CDATA #REQUIRED >
<!ATTLIST notification term CDATA #REQUIRED >

<!ELEMENT request ( student+ ) >
<!ATTLIST request campus CDATA #REQUIRED >
<!ATTLIST request year CDATA #REQUIRED >
<!ATTLIST request term CDATA #REQUIRED >
<!ATTLIST request enrollments ( update | nochange | delete | import ) #IMPLIED >

<!ELEMENT requestSchedule ( courseOffering )* >
<!ATTLIST requestSchedule type ( commit | query ) #REQUIRED >

<!ELEMENT response ( student ) >
<!ATTLIST response campus CDATA #REQUIRED >
<!ATTLIST response year CDATA #REQUIRED >
<!ATTLIST response term CDATA #REQUIRED >

<!ELEMENT retrieveCourseRequests EMPTY >

<!ELEMENT schedule ( courseOffering | freeTime )* >
<!ATTLIST schedule type ( actual | proposed ) #REQUIRED >

<!ELEMENT student ( updateDemographics?, updateCourseRequests?, addCourseRequests?, dropCourseRequests?, requestSchedule?, retrieveCourseRequests?, cancelStudent?, acknowledgement?, courseRequests?, schedule?, message* ) >
<!ATTLIST student key CDATA #REQUIRED >

<!ELEMENT updateCourseRequests ( courseOffering | freeTime )* >
<!ATTLIST updateCourseRequests commit ( false | true ) #REQUIRED >
<!ATTLIST updateCourseRequests distribution ( dense | spread ) #IMPLIED >

<!ELEMENT addCourseRequests ( courseOffering | freeTime )* >
<!ATTLIST addCourseRequests commit ( false | true ) #REQUIRED >
<!ATTLIST addCourseRequests distribution ( dense | spread ) #IMPLIED >

<!ELEMENT dropCourseRequests ( courseOffering | freeTime )* >

<!ELEMENT updateDemographics ( name, email?, acadArea+, major*, minor*, disability*, groupAffiliation* ) >
<!ATTLIST updateDemographics minCredit NMTOKEN #IMPLIED >
<!ATTLIST updateDemographics maxCredit NMTOKEN #IMPLIED >

<!ELEMENT preferences ( class | instructional-method )*>

<!ELEMENT instructional-method EMPTY>
<!ATTLIST instructional-method externalId CDATA #IMPLIED >
<!ATTLIST instructional-method name CDATA #IMPLIED >
<!ATTLIST instructional-method required ( false | true ) #IMPLIED >