simplify by using for loops instead of while loops where possible, to
match the single-byte versions of these functions


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mbrevstrcasestr(), return char* instead of const char*


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mbrevstrcasestr(), for efficiency, return haystack immediately if needle
is blank


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immediately if s1 and s2 point to the same string


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oddly, ncurses built without --enable-ext-mouse needs this, but ncurses
built with --enable-ext-mouse doesn't


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to nl_langinfo()


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suggestion


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handling bad/incomplete UTF-8 sequences


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line after the last line of the paragraph


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write selections to files, so don't display the "Write Selection to
File" prompt


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tweaks of mine, to explain how autoindent affects pasted text


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