so that all of them are documented


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git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3162 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

do_justify()


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return value is unneeded, as current will point to the same line when
it's done, and making first_par_line point to current in the former
ensures that the two will properly stay in sync


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temporarily out of range


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temporarily out of range, and fix a comment


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3144 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

rely on fileage and filebot instead of NULL for their checks to detect
the top or bottom of the file


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detect the top of the file


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the file always ends in a magicline; note that the latter isn't
completely fixed yet


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3129 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

always ends in a magicline, and add documentation fixes


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detect the top of the file, and make it return NULL if foo is NULL, just
as inpar() does


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static, since it doesn't change and hence doesn't need to be
recalculated


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3124 35c25a1d-7b9e-4130-9fde-d3aeb78583b8