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number of characters, and eliminate dependence on its old ability to get
the total number of lines by renumber()ing when necessary and using the
number of the last line of a filestruct


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2879 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

edit_refresh(); edit_update() is only called without edit_refresh() in
do_gotolinecolumn() if allow_update is FALSE, and in edit_refresh()
itself if edittop is out of range of current


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"+LINE,COLUMN" arguments on the command line, don't update the screen
when moving to their specified lines and columns


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calls, which do the same thing


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that the values in it are used directly instead of being periodically
synced up with the globals; accordingly, remove the globals; this
changes pretty much every function


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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


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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


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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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