7.5 Numbers, letters and reference signs
7.5.2 Arrows
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A revised version of this publication entered into force. |
Arrows may be used at the end of the leading lines provided that their meaning is clear. They may indicate a number of points:
(i)a freestanding arrow indicates the entire section towards which it points;
(ii)an arrow touching a line indicates the surface shown by the line looking along the direction of the arrow.