doc/syntax/ruby.nanorc, improve highlighting of constants


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lot of common code


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scrolling, the previous and current lines would not be updated properly
if the current line was not the first or last line of the edit window


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only the current line, just as it would if the mark covered only the
current line, instead of displaying a statusbar message and quitting


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exist, as we can still recover from that, and also add various cleanups


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with ellipses if the number of columns is extremely small; also, in
certain places, call wnoutrefresh(bottomwin) after calling
blank_statusbar(), in order to ensure that the statusbar is actually
blanked


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terminator


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NULL, don't bother freeing it before mallocstrcpy()ing operating_dir
into it, as the latter operation will free it


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support, and add a few comment fixes


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3743 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

directory and the previous help text line properly again


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initialized sometimes


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intended lengths of "(dir)" and "(parent dir)"; also add various
formatting fixes


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