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(cut_fields): Check for I/O error as well as end-of-file.
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(cut_fields): Adjust caller to use the just-extended one in ../lib.
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(cut_fields): Cast to `unsigned char' before comparing.
(main): Cast to `unsigned char' before assigning.
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[long_options]: Remove the "help" and "version" entries.
Remove declarations of show_help and show_version.
(main): Use parse_long_options, including author name(s).
Remove the show_version and show_help blocks.
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(main): Fix handling of --delimiter='' (-d ''). Until now, it has
never worked as advertised. I guess no one tried it.
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(getstr): Cast xmalloc return value to char*.
(xmalloc): Remove decl.
(xrealloc): Remove decl.
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that special case. Before `cut -f1 </dev/null' would improperly
output a single newline. Reported by Phil Richards.
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*) 0' as last parameter in getopt_long call.
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This doesn't change `error (1' calls.
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(main): Use PACKAGE_VERSION instead of version_string.
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bindtextdomain, and textdomain.
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`gcc -Wall' about comparing signed and unsigned types.
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(Hence, no semantic change).
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From Karl Berry.
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