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Explain how U+00A0 can be inserted into a program on macOS

John Gardner
2021-12-22 19:11:38 +11:00
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# This is a unicode non-breaking space. Delete it and retype as space. # This is a unicode non-breaking space. Delete it and retype as space.
You copy-pasted some code, probably from a blog or web site, which for formatting reasons contained unicode no-break spaces or unicode zero-width spaces instead of regular spaces or in words. You copy-pasted some code, probably from a blog or web site, which for formatting reasons contained Unicode no-break spaces or Unicode zero-width spaces instead of regular spaces or in words.
To humans, a zero-width space is invisible and a non-breaking space is indistinguishable from a regular space, but the shell does not agree. To humans, a zero-width space is invisible and a non-breaking space is indistinguishable from a regular space, but the shell does not agree.
If you have just a few, delete the indiciated space/word and retype it. If you have tons, do a search&replace in your editor (copy-paste an offending space into the search field, and type a regular space into the replace field), or use `sed -e $'s/\xC2\xA0/ /g' -e $'s/\xE2\x80\x8b//g' -i yourfile` to remove them. If you have just a few, delete the indicated space/word and retype it. If you have tons, do a search-and-replace in your editor (copy-paste an offending space into the search field, and type a regular space into the replace field), or use the following command to remove them:
```sh
sed -e $'s/\xC2\xA0/ /g' -e $'s/\xE2\x80\x8b//g' -i yourfile
```
On macOS, a non-breaking space can be inserted into most programs by holding <kbd>⌥ Option</kbd>+<kbd>Space</kbd>.