0051-Bug-2068420-skip-head-sentinel.patch

Enable keyboard shortcuts

diff --git a/src/cairo-boxes-intersect.c b/src/cairo-boxes-intersect.c

index 96ae66334e6a..e2925a4e1cf2 100644

--- a/src/cairo-boxes-intersect.c

+++ b/src/cairo-boxes-intersect.c

@@ -267,11 +267,13 @@ sweep_line_init (sweep_line_t	 *sweep_line,

     sweep_line->head.x = INT32_MIN;

     sweep_line->head.right = NULL;

     sweep_line->head.dir = 0;

+    sweep_line->head.prev = NULL;

     sweep_line->head.next = &sweep_line->tail;

     sweep_line->tail.x = INT32_MAX;

     sweep_line->tail.right = NULL;

     sweep_line->tail.dir = 0;

     sweep_line->tail.prev = &sweep_line->head;

+    sweep_line->tail.next = NULL;

     sweep_line->insert_left = &sweep_line->tail;

     sweep_line->insert_right = &sweep_line->tail;

@@ -475,6 +477,8 @@ sweep_line_insert (sweep_line_t	*sweep, rectangle_t	*rectangle)

     pos = sweep->insert_left;

     if (pos->x > sweep->insert_right->x)

 	pos = sweep->insert_right->prev;

+    if (pos == &sweep->head)

+	pos = pos->next;

     insert_edge (&rectangle->left, pos);

     sweep->insert_left = &rectangle->left;