functions and most related functions to return void instead of int, as
the return values of all those functions are essentially unused; also
add a few related miscellaneous cleanups


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1836 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

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fix some inaccuracies and eliminate the need for recursion; it now uses
almost the same logic as the code to search for the end of a paragraph,
which makes it somewhat easier to understand


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1823 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

that full justification doesn't erroneously justify non-paragraph lines
in the file


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1815 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1814 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

of DB's do_wrap() tweaks (the initialization of new_line_wrap to 0), and
wrap a few overly long comments


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1813 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1808 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

problems if the original paragraph was one line long and ended with a
tab or tabs; unjustification would restore the justify_format()ted line
instead of the original line


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1806 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

"-E [dir]/--backupdir=[dir]" strings in usage()


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1805 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

on the end of it, the space should be removed


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1804 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

some ints to size_t's and convert the int wrapping to use TRUE and FALSE
since it's used as a boolean)


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1793 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

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rcopts[i].name's being "tabsize" (to avoid a spurious error under some
circumstances about tabsize's being 0 when there's no tabsize entry in
the rcfile)


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justification) via the rcfile


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1783 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

displaying other characters, specified in the rcfile, for the first
characters of tabs and spaces


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1782 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

cut.c instead of a flag, and unset it in other files via the new
function cutbuffer_reset()


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1781 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

and why


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1778 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

alternative spell checker if we're in restricted mode, since both
backups and spell checking are disabled then


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1777 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

the command line and/or rcfile, as Pico does


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1776 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1775 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

unneeded screen redraws


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1774 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

input and state machines that interpret the input


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1773 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

TRUE (and hence no longer take a namechange parameter itself) to fix a
bug where writing a selection would change the current filename, and
make die_save_file() do the same since we don't need to change the
current filename if we're writing emergency backup files


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1770 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1769 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

calls to finish() set sigage to anything other than 0 or use its return
value


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git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1758 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

handle shorter screen widths better and display the filename using
display_string(), my strnlen() equivalent so the new titlebar() will
work on systems without strnlen(), and a few of DB's other minor changes
to make other display-related functions handle shorter screen widths
better, among other things


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1754 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1751 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

end of the line instead of removing it


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1750 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

disable_signals() doesn't take up much space and we need one fewer slang
workaround that way


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of Pico does


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1743 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

per DB's patch, and simplify an if statement in do_justify()


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1742 35c25a1d-7b9e-4130-9fde-d3aeb78583b8