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curses functions where applicable


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cosmetic fixes


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pass instead of two


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arrays of MB_LEN_MAX length, as it's less complex


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2175 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

length, and add a few comment fixes


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associated UTF-8 handling: have unget_input() filter out invalid wide
characters, put back the result of a word sequence instead of returning
it directly, don't erroneously filter out keystrokes if they're neither
extended keypad values nor ASCII characters, and add a few comment
tweaks


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as the edit window, in case the filename displayed on the titlebar
contains spaces or tabs; also add a few miscellaneous cosmetic fixes


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toward proper wide character input and output, etc.


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break_line()'s returning int when it should return ssize_t according to
its prototype


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consistency, and add DB's changes to die() so that it works properly
with the overhauled multibuffer routines


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miscellaneous fixes


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it after that


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