docs: document fmt in GNU extensions #4748
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GNU testsuite comparison: |
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| `fmt` has additional flags for prefixes: `-P/--skip-prefix`, `-x/--exact-prefix`, and | ||
| `-X/--exact-skip-prefix`. With `-m/--preserve-headers`, an attempt is made to detect and preserve | ||
| mail headers in the input. `-q/--quick` breaks lines more quickly. And `-T/--tab-width` defines the | ||
| number of spaces representing a tab when determining the line length. |
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Do we know whether these options were inspired by other implementations? It might be nice to mention those if there are any.
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I don't know where the inspiration for those flags came from. The coreutils implementations mentioned in https:/uutils/coreutils/blob/main/CONTRIBUTING.md don't have fmt implementations.
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Hmm indeed. It seems to be added here: #272 (comment), but the author seems to have invented them, which is alright.
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It's 9 years ago, but maybe they remember. @kwantam, do you remember whether these options exist elsewhere?
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