#print Here is something a bit trickier. We want to add an extra space after each word "lengthen". However, some of the instances of "lengthen" are followed by commas or right parentheses and we want the sapace after the comma or right parenthesis in that case. That is, the desired transformations are: now new lengthen xx lengthen xx lengthen, xx lengthen, xx lengthen) xx lengthen) xx lengthen), xx lengthen), xx It should only take one substitute command to do this. Remember that "*" matches zero or more instances of whatever precedes it. Try those changes on the first six lines of the file "text" in this directory. Then rewrite the file and type "ready". #create Ref To lengthen this is easy, whereas to lengthen, rather than to shorten, on the previous line is hard. (To lengthen) is an infinitive. I said to him, (please lengthen), and he did so. Why not lengthen this word? Notice it is on line 7. #create text To lengthen this is easy, whereas to lengthen, rather than to shorten, on the previous line is hard. (To lengthen) is an infinitive. I said to him, (please lengthen), and he did so. Why not lengthen this word? Notice it is on line 7. #user #cmp text Ref #log #next 37.2f 5