Differential D7133 Diff 22740 source/blender/editors/armature/armature_edit.c

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	sub_v3_v3v3(dir_a, ebone->tail, ebone->head);	sub_v3_v3v3(dir_a, ebone->tail, ebone->head);
	normalize_v3(dir_a);	normalize_v3(dir_a);

	/* find the first bone in the chane with a different direction */	/* find the first bone in the chain with a different direction */
	do {	do {
	sub_v3_v3v3(dir_b, ebone_other->head, ebone_other->tail);	sub_v3_v3v3(dir_b, ebone_other->head, ebone_other->tail);
	normalize_v3(dir_b);	normalize_v3(dir_b);
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