using the -E/--tabstospaces command line options, the "tabstospaces"
rcfile option, and the toggle Meta-E; also, change the short command
line option for --backupdir from -E to -C


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make sure they're cleared off


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display_string(), as do_replace_loop() does


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documentation


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when the MORE_SPACE flag is set


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DISABLE_TABCOMP undefined


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is_whole_word()


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variable


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to 255], as it still won't let us type all possible bytes


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rcfile options


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it enters the byte with that value regardless of whether we're in UTF-8
mode or not, and update the help text to mention this; this will allow
searching for and replacing raw bytes with their equivalent multibyte
sequences as entered using verbatim input


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color comments that don't start at the beginning of a line


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but generate errors


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do_replace_loop(), as it breaks display in some ways


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unless it's the only match, as the old history code did


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