1. A non-transitory computer readable medium storing a document creation support program causing a computer to function as: a receiving unit that receives: (1) a defined text, and (2) edition process information, the edition process information having recorded therein an operation history when creating the defined text, and the defined text including a sentence associated with the operation; a revision range extraction unit that extracts a revision range where a preset operation writing or erasure appear a plurality of times in a sentence associated with the operation history from the edition process information received by the receiving unit; a document feature quantity extraction unit that determines, as a first feature quantity, the number of occurrences of words in the sentence in the defined text and determines, as a second feature quantity, the number of occurrences of words in a revised version of the sentence in the defined text, the revised version being associated with in the revision range; and a sentence example information search unit that searches for sentences in sentence example information based on both (1) the first feature quantity of occurrences of a word or phrase and (2) the second feature quantity of occurrences of a word or phrase.
1. A non-transitory computer readable medium storing a document creation support program causing a computer to function as: a receiving unit that receives: (1) a defined text, and (2) edition process information, the edition process information having recorded therein an operation history when creating the defined text, and the defined text including a sentence associated with the operation; a revision range extraction unit that extracts a revision range where a preset operation writing or erasure appear a plurality of times in a sentence associated with the operation history from the edition process information received by the receiving unit; a document feature quantity extraction unit that determines, as a first feature quantity, the number of occurrences of words in the sentence in the defined text and determines, as a second feature quantity, the number of occurrences of words in a revised version of the sentence in the defined text, the revised version being associated with in the revision range; and a sentence example information search unit that searches for sentences in sentence example information based on both (1) the first feature quantity of occurrences of a word or phrase and (2) the second feature quantity of occurrences of a word or phrase. 8. The non-transitory computer readable medium according to claim 1 , wherein the revision range extraction unit extracts the revision range where the preset operation writing or erasure appears predetermined times and more in the sentence associated with an operation history from the edition process information received by the receiving unit.