Functions:
- Functions that are already implemented in XPath 1.0 and that should only need minor changes
xf:floor
xf:ceiling
xf:round
xf:concat
xf:starts-with
xf:substring
xf:string-length
xf:substring-before
xf:substring-after
xf:normalize-space
xf:translate
xf:true
xf:false
xf:not
xf:name
xf:local-name
xf:number
xf:id
xf:position
xf:last
xf:string

- Functions needing support for XMLSchema datatypes (that is, a new set of DataItem classes)
xf:decimal
xf:integer
xf:long
xf:int
xf:short
xf:byte
xf:float
xf:double
xf:string
xf:normalizedString
xf:token
xf:language
xf:Name
xf:NMTOKEN
xf:NCName
xf:ID
xf:IDREF
xf:ENTITY
xf:duration
xf:dateTime
xf:date
xf:time
xf:gYearMonth
xf:gYear
xf:gMonthDay
xf:gMonth
xf:gDay
xf:yearMonthDuration
xf:yearMonthDuration-from-months
xf:dayTimeDuration
xf:dayTimeDuration-from-seconds
xf:get-years-from-yearMonthDuration
xf:get-months-from-yearMonthDuration
xf:get-days-from-dayTimeDuration
xf:get-hours-from-dayTimeDuration
xf:get-minutes-from-dayTimeDuration
xf:get-seconds-from-dayTimeDuration
xf:get-year-from-dateTime
xf:get-year-from-date
xf:get-month-from-dateTime
xf:get-month-from-date
xf:get-day-from-dateTime
xf:get-day-from-date
xf:get-hours-from-dateTime
xf:get-hours-from-time
xf:get-minutes-from-dateTime
xf:get-minutes-from-time
xf:get-seconds-from-dateTime
xf:get-seconds-from-time
xf:get-timezone-from-dateTime
xf:get-timezone-from-date
xf:get-timezone-from-time
xf:add-days
xf:get-yearMonthDuration
xf:get-dayTimeDuration
xf:QName-from-uri
xf:QName-from-string
xf:QName
xf:get-local-name
xf:get-namespace-uri
xf:namespace-uri
xf:anyURI
xf:NOTATION


- Functions requiring the new 'sequence' datatype
xf:boolean
xf:index-of
xf:empty
xf:exists
xf:distinct-nodes
xf:distinct-values
xf:insert
xf:remove
xf:subsequence
xf:sequence-deep-equal
xf:sequence-node-equal
xf:count
xf:avg
xf:max
xf:min
xf:sum

- Brand new functions:
xf:compare			done
xf:ends-with
xf:contains
xf:normalize-unicode
xf:upper-case
xf:lower-case
xf:string-pad
xf:match
xf:replace
xf:boolean-from-string
xf:deep-equal
xf:copy
xf:shallow
xf:if-absent
xf:if-empty
xf:idref
xf:filter
xf:node-kind
xf:node-name
xf:data
xf:base-uri
xf:unique-ID
xf:root
xf:lang

- Functions working on the new context
xf:document			done
xf:collection
xf:input			done
xf:context-item
xf:context-document
xf:current-dateTime


Operators:
- Operators that are already implemented in XPath 1.0 and that should only need minor changes
op:numeric-add					done
op:numeric-subtract				done
op:numeric-multiply				done
op:numeric-divide				done
op:numeric-mod					done
op:numeric-unary-plus
op:numeric-unary-minus			done
op:numeric-equal				done
op:numeric-less-than
op:numeric-greater-than
op:boolean-equal
op:node-equal
op:node-before
op:node-after
op:context-document

- Operators needing support for XMLSchema datatypes (that is, a new set of DataItem classes)
op:boolean-less-than
op:boolean-greater-than
op:duration-equal
op:yearMonthDuration-equal
op:yearMonthDuration-less-than
op:yearMonthDuration-greater-than
op:dayTimeDuration-equal
op:dayTimeDuration-less-than
op:dayTimeDuration-greater-than
op:datetime-equal
op:datetime-less-than
op:datetime-greater-than
op:add-yearMonthDurations
op:subtract-yearMonthDurations
op:multiply-yearMonthDuration
op:divide-yearMonthDuration
op:add-dayTimeDurations
op:subtract-dayTimeDurations
op:multiply-dayTimeDuration
op:divide-dayTimeDuration
op:add-yearMonthDuration-to-dateTime
op:add-dayTimeDuration-to-dateTime
op:subtract-yearMonthDuration-from-dateTime
op:subtract-dayTimeDuration-from-dateTime
op:add-yearMonthDuration-to-date
op:add-dayTimeDuration-to-date
op:subtract-yearMonthDuration-from-date
op:subtract-dayTimeDuration-from-date
op:add-dayTimeDuration-to-time
op:subtract-dayTimeDuration-from-time
op:QName-equal
op:anyURI-equal
op:hex-binary-equal
op:base64-binary-equal
op:NOTATION-equal

- Operators requiring the new 'sequence' datatype
op:to					done
op:concatenate
op:item-at
op:union
op:intersect
op:except

- New operators
op:node-precedes
op:node-follows