spell checking, justifying, and word counting) to their own source file,
text.c


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more miscellaneous cleanups


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on a file


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up the character-parsing functions


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openfilestruct functions to nano.c, since they're no longer specific to
file operations


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functions, and make them call check_statusblank() too; also reorder some
other movement functions


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change it and then move up


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where possible


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sequences anymore, for consistency


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match to it are not the same length in bytes, since the same technique
can't be made to work with tab completion matches


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to the bottom if we cancel out of the prompt


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the same length in bytes, i.e, when the latter contains invalid
multibyte characters interpreted as normal characters


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display_string() anymore, as it's inconsistent with how we handle them
elsewhere


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do_(int|alt)_speller(), don't display the error message corresponding to
errno if errno is zero


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file with fewer than nlines lines available to scroll would leave half
the screen unupdated


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