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    Regarding "awk and sed don't really handle unicode characters properly" - could you provide an example where GNU awk doesn't handle Unicode properly? It may be worth raising a bug report if that is the case, idk. Commented Aug 13 at 10:24
  • This has some great thoughts, but the extra spaces in the middle are important. I don't know if that's what you mean by leading and trailing spaces. As I have the files on my machine, I don't have leading and trailing spaces. I'm going to try the solution on my files, though. Commented Aug 18 at 14:46
  • @bballdave025 Leading spaces are any spaces before the first non-space character on a line. Trailing spaces are any spaces after the last non-space character. Commented Aug 18 at 14:57
  • your comment about "the extra spaces in the middle" made me look at your examples again. it seems that you could probably get away with a regex to change sequences of 10+ spaces to a newline IF the line length is > 80. I'll edit my answer and add an example of how to do that. Commented Aug 18 at 15:42
  • Okay, that will be great. I was coming here to look at your answer more closely to see what I might be missing and to ask where the leading and trailing spaces might be, but I think we've got it. Commented Aug 18 at 16:24