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ssize_t are different sizes.  Make filestruct->lineno a ssize_t (so that
we can avoid negative line numbers at the "Go To Line" prompt),
current_y a ssize_t (in order to hold the maximum difference between two
filestruct->lineno's), totlines a size_t, and change related variables
to match


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2782 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ease of maintenance


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numm-termination is needed in some places


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e.g. 2-to-1 character conversions as the original strcoll() can


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diralphasort() use it so that filenames are sorted properly according to
the current locale


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2743 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

instead of strcasecmp() to compare them, in case they're UTF-8


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in the help text


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when the MORE_SPACE flag is set


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DISABLE_TABCOMP undefined


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variable


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doesn't take encodings other than ASCII and Latin-1 into account and
hence isn't accurate enough


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browser, so that it's read in properly when we exit the file browser


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instead of "w+b" mode, since the latter truncates the file if it already
exists, and we don't need to do that since it's an error if the file
already exists


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file now uses safe_tempfile() instead of mkstemp() directly, and
safe_tempfile() requires get_full_path() and check_writable_directory()


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die_save_file() if it's been blanked out by get_next_file()'s failure to
find a unique filename


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already-opened files, such as the mkstemp()-created files used by the
spell-checking code


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unique by using get_next_filename() when necessary


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