Index: tests/RTT/ref/arc_angles.svg
===================================================================
--- tests/RTT/ref/arc_angles.svg	(revision 10514)
+++ tests/RTT/ref/arc_angles.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/arc_f_clear.svg
===================================================================
--- tests/RTT/ref/arc_f_clear.svg	(revision 10514)
+++ tests/RTT/ref/arc_f_clear.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/arc_normal.svg
===================================================================
--- tests/RTT/ref/arc_normal.svg	(revision 10514)
+++ tests/RTT/ref/arc_normal.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/arc_offpage.svg
===================================================================
--- tests/RTT/ref/arc_offpage.svg	(revision 10514)
+++ tests/RTT/ref/arc_offpage.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/arc_sizes.svg
===================================================================
--- tests/RTT/ref/arc_sizes.svg	(revision 10514)
+++ tests/RTT/ref/arc_sizes.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/coord_rounding.svg
===================================================================
--- tests/RTT/ref/coord_rounding.svg	(revision 10514)
+++ tests/RTT/ref/coord_rounding.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/elem_pads.svg
===================================================================
--- tests/RTT/ref/elem_pads.svg	(revision 10514)
+++ tests/RTT/ref/elem_pads.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/elem_pads_ds.svg
===================================================================
--- tests/RTT/ref/elem_pads_ds.svg	(revision 10514)
+++ tests/RTT/ref/elem_pads_ds.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/elem_pins.svg
===================================================================
--- tests/RTT/ref/elem_pins.svg	(revision 10514)
+++ tests/RTT/ref/elem_pins.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/elem_sides_smd.svg
===================================================================
--- tests/RTT/ref/elem_sides_smd.svg	(revision 10514)
+++ tests/RTT/ref/elem_sides_smd.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/elem_sides_trh.svg
===================================================================
--- tests/RTT/ref/elem_sides_trh.svg	(revision 10514)
+++ tests/RTT/ref/elem_sides_trh.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/layer_copper.svg
===================================================================
--- tests/RTT/ref/layer_copper.svg	(revision 10514)
+++ tests/RTT/ref/layer_copper.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/layer_outline.svg
===================================================================
--- tests/RTT/ref/layer_outline.svg	(revision 10514)
+++ tests/RTT/ref/layer_outline.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <line x1="1.9050" y1="2.5400" x2="1.9050" y2="10.1600" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round"/>
Index: tests/RTT/ref/layer_silk.svg
===================================================================
--- tests/RTT/ref/layer_silk.svg	(revision 10514)
+++ tests/RTT/ref/layer_silk.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_f_clear.svg
===================================================================
--- tests/RTT/ref/line_f_clear.svg	(revision 10514)
+++ tests/RTT/ref/line_f_clear.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_normal.svg
===================================================================
--- tests/RTT/ref/line_normal.svg	(revision 10514)
+++ tests/RTT/ref/line_normal.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_offpage.svg
===================================================================
--- tests/RTT/ref/line_offpage.svg	(revision 10514)
+++ tests/RTT/ref/line_offpage.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_overlap1.svg
===================================================================
--- tests/RTT/ref/line_overlap1.svg	(revision 10514)
+++ tests/RTT/ref/line_overlap1.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_overlap2.svg
===================================================================
--- tests/RTT/ref/line_overlap2.svg	(revision 10514)
+++ tests/RTT/ref/line_overlap2.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_overlap3.svg
===================================================================
--- tests/RTT/ref/line_overlap3.svg	(revision 10514)
+++ tests/RTT/ref/line_overlap3.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_overlap4.svg
===================================================================
--- tests/RTT/ref/line_overlap4.svg	(revision 10514)
+++ tests/RTT/ref/line_overlap4.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/line_zerolen.svg
===================================================================
--- tests/RTT/ref/line_zerolen.svg	(revision 10514)
+++ tests/RTT/ref/line_zerolen.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/netlist.svg
===================================================================
--- tests/RTT/ref/netlist.svg	(revision 10514)
+++ tests/RTT/ref/netlist.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/netlist_ba.svg
===================================================================
--- tests/RTT/ref/netlist_ba.svg	(revision 10514)
+++ tests/RTT/ref/netlist_ba.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/poly_hole.svg
===================================================================
--- tests/RTT/ref/poly_hole.svg	(revision 10514)
+++ tests/RTT/ref/poly_hole.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/poly_rect.svg
===================================================================
--- tests/RTT/ref/poly_rect.svg	(revision 10514)
+++ tests/RTT/ref/poly_rect.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/poly_triangle.svg
===================================================================
--- tests/RTT/ref/poly_triangle.svg	(revision 10514)
+++ tests/RTT/ref/poly_triangle.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/text_rot.svg
===================================================================
--- tests/RTT/ref/text_rot.svg	(revision 10514)
+++ tests/RTT/ref/text_rot.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/text_scale.svg
===================================================================
--- tests/RTT/ref/text_scale.svg	(revision 10514)
+++ tests/RTT/ref/text_scale.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/text_sides.svg
===================================================================
--- tests/RTT/ref/text_sides.svg	(revision 10514)
+++ tests/RTT/ref/text_sides.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/thermal_last.svg
===================================================================
--- tests/RTT/ref/thermal_last.svg	(revision 10514)
+++ tests/RTT/ref/thermal_last.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>
Index: tests/RTT/ref/thermal_layer.svg
===================================================================
--- tests/RTT/ref/thermal_layer.svg	(revision 10514)
+++ tests/RTT/ref/thermal_layer.svg	(revision 10515)
@@ -1,5 +1,5 @@
 <?xml version="1.0"?>
-<svg xmlns="http://www.w3.org/2000/svg" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.0" width="1625.6000" height="1625.6000" viewBox="-2.0000 -2.0000 17.7000 17.7000">
 <g id="layer_9_outline">
 <!--normal-->
  <rect x="0.0000" y="0.0000" width="12.7000" height="12.7000" stroke-width="0.2540" stroke="#00868b" stroke-linecap="round" fill="none"/>