1. A method for editing text, comprising: in response to an instruction to apply editing to at least one sentence within a document that is displayed on a display screen changing a first word or phrase in the at least one sentence for a second word or phrase while maintaining semantic content of the first word or phrase and such that the at least one sentence falls within a predetermined range, wherein the changing the first word or phrase comprises one of: in response to the second word or phrase having more characters or words than the first word or phrase, changing a third word or phrase within the at least one sentence including the second word or phrase for a fourth word or phrase, such that the at least one sentence including the second word or phrase falls within the predetermined range; and in response the second word or phrase having fewer characters or words than the first word or phrase, changing a fifth word or phrase within the at least one sentence including the second word or phrase for a sixth word or phrase, such that the at least one sentence including the second word or phrase falls within the predetermined range; and displaying the at least one sentence including the second word or phrase, and one of the fourth word or phrase and the sixth word or phrase, on the display screen.
8. The method according to claim 1 , wherein the changing comprises one of: shortening the at least one sentence so that the at least one sentence falls within the predetermined range; and lengthening the at least one sentence so that the at least one sentence falls within the predetermined range.