fix number_lines line count computing
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@ -143,7 +143,7 @@ void show_line_numbers(DisplayBuffer& display_buffer)
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const Buffer& buffer = display_buffer.front().begin().buffer();
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BufferCoord coord = buffer.line_and_column_at(display_buffer.begin()->begin());
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int last_line = buffer.line_count()-1;
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int last_line = buffer.line_count();
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int digit_count = 0;
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for (int c = last_line; c > 0; c /= 10)
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++digit_count;
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@ -151,7 +151,7 @@ void show_line_numbers(DisplayBuffer& display_buffer)
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char format[] = "%?d ";
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format[1] = '0' + digit_count;
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for (; coord.line <= last_line; ++coord.line)
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for (; coord.line <= last_line-1; ++coord.line)
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{
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BufferIterator line_start = buffer.iterator_at(coord);
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DisplayBuffer::iterator atom_it = display_buffer.atom_containing(line_start);
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