Long description of illustration 'Adjacent Edges with Inline-stacking, continued'

Case 3e: an inline block P containin Arabic glyph areas is followed by a space glyph B and two other glyphs (Roman). The right edge of the rightmost arabic glyph A and the left edge of B are outlined. A tree view of this structure has a root node with 4 children: the Arabic wordm the space, and the two Roman glyphs. The arabic word is itself a node whose children are glyphs in reverse order than the corresponding areas.