=== modified file 'share/markers/markers.svg'
--- share/markers/markers.svg	2011-08-29 17:57:57 +0000
+++ share/markers/markers.svg	2013-04-09 17:06:19 +0000
@@ -300,5 +300,25 @@
       </g>
     </marker>
 
+    <!-- Sharp ending -->
+    <marker style="overflow:visible" id="Sharpstart" refX="0.0" refY="0.0" orient="auto" inkscape:stockid="Sharpstart">
+      <path transform="scale(1) translate(0,0)" d="M -10,0 C -7.8,-0.31 -3.4,-0.45 0.01,-0.5 L 0.01,0.5 C -3.4,0.45 -7.8,0.31 -10,0 z " style="stroke:none;stroke-width:0"/>
+    </marker>
+    <marker style="overflow:visible;" id="Sharpend" refX="0.0" refY="0.0" orient="auto" inkscape:stockid="Sharpend">
+      <path transform="scale(1) rotate(180) translate(0,0)" d="M -10,0 C -7.8,-0.31 -3.4,-0.45 0.01,-0.5 L 0.01,0.5 C -3.4,0.45 -7.8,0.31 -10,0 z " style="stroke:none;stroke-width:0"/>
+    </marker>
+    <marker style="overflow:visible" id="SharpMstart" refX="0.0" refY="0.0" orient="auto" inkscape:stockid="SharpMstart">
+      <path transform="scale(0.6, 1) translate(0,0)" d="M -10,0 C -7.8,-0.31 -3.4,-0.45 0.01,-0.5 L 0.01,0.5 C -3.4,0.45 -7.8,0.31 -10,0 z " style="stroke:none;stroke-width:0"/>
+    </marker>
+    <marker style="overflow:visible;" id="SharpMend" refX="0.0" refY="0.0" orient="auto" inkscape:stockid="SharpMend">
+      <path transform="scale(0.6, 1) rotate(180) translate(0,0)" d="M -10,0 C -7.8,-0.31 -3.4,-0.45 0.01,-0.5 L 0.01,0.5 C -3.4,0.45 -7.8,0.31 -10,0 z " style="stroke:none;stroke-width:0"/>
+    </marker>
+    <marker style="overflow:visible" id="SharpSstart" refX="0.0" refY="0.0" orient="auto" inkscape:stockid="SharpSstart">
+      <path transform="scale(0.3, 1) translate(0,0)" d="M -10,0 C -7.8,-0.31 -3.4,-0.45 0.01,-0.5 L 0.01,0.5 C -3.4,0.45 -7.8,0.31 -10,0 z " style="stroke:none;stroke-width:0"/>
+    </marker>
+    <marker style="overflow:visible;" id="SharpSend" refX="0.0" refY="0.0" orient="auto" inkscape:stockid="SharpSend">
+      <path transform="scale(0.3, 1) rotate(180) translate(0,0)" d="M -10,0 C -7.8,-0.31 -3.4,-0.45 0.01,-0.5 L 0.01,0.5 C -3.4,0.45 -7.8,0.31 -10,0 z " style="stroke:none;stroke-width:0"/>
+    </marker>
+
   </defs>
 </svg>