improve text alignment of list_evolution.svg (#76)

* improve list_evolution

* fix

* fix svg

* improve list_evolution.svg text alignment

Author: hanyujie2002

img/labs/list_evolution.dio

@@ -1,6 +1,6 @@
 <mxfile host="65bd71144e" scale="1" border="0">
     <diagram id="Up8FQvu2DSV3XWbMQyph" name="Page-1">
-        <mxGraphModel dx="1579" dy="573" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
+        <mxGraphModel dx="1353" dy="491" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1169" pageHeight="827" math="0" shadow="0">
             <root>
                 <mxCell id="0"/>
                 <mxCell id="1" parent="0"/>
@@ -122,7 +122,7 @@
                 </mxCell>
                 <mxCell id="29" value="&lt;font&gt;INIT_LIST_HEAD(&amp;amp;ple-&amp;gt;list)&lt;/font&gt;" style="edgeLabel;html=1;align=center;verticalAlign=bottom;resizable=0;points=[];fontColor=#000000;labelPosition=center;verticalLabelPosition=top;" parent="26" vertex="1" connectable="0">
                     <mxGeometry relative="1" as="geometry">
-                        <mxPoint x="-168" y="-14" as="offset"/>
+                        <mxPoint x="-189" y="-14" as="offset"/>
                     </mxGeometry>
                 </mxCell>
                 <mxCell id="30" value="" style="endArrow=none;dashed=1;html=1;fontColor=#000000;" parent="1" edge="1">
@@ -146,7 +146,7 @@
                 <mxCell id="36" value="next" style="rounded=0;whiteSpace=wrap;html=1;fontColor=#000000;" parent="1" vertex="1">
                     <mxGeometry x="340" y="520" width="120" height="40" as="geometry"/>
                 </mxCell>
-                <mxCell id="151" style="edgeStyle=none;html=1;exitX=0;exitY=0.5;exitDx=0;exitDy=0;entryX=1;entryY=0.5;entryDx=0;entryDy=0;fontColor=#FFFFFF;startArrow=none;startFill=0;" edge="1" parent="1" source="37" target="32">
+                <mxCell id="151" style="edgeStyle=none;html=1;exitX=0;exitY=0.5;exitDx=0;exitDy=0;entryX=1;entryY=0.5;entryDx=0;entryDy=0;fontColor=#FFFFFF;startArrow=none;startFill=0;" parent="1" source="37" target="32" edge="1">
                     <mxGeometry relative="1" as="geometry"/>
                 </mxCell>
                 <mxCell id="37" value="prev" style="rounded=0;whiteSpace=wrap;html=1;fontColor=#000000;" parent="1" vertex="1">
@@ -336,25 +336,25 @@
                 <mxCell id="140" value="" style="rounded=0;whiteSpace=wrap;html=1;labelBackgroundColor=#000000;fontColor=#000000;fillColor=#FFFFFF;" parent="1" vertex="1">
                     <mxGeometry x="960" y="470" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="144" value="1" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="144" value="1" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="340" y="340" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="145" value="1" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="145" value="1" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="820" y="340" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="146" value="2" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="146" value="2" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="680" y="340" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="147" value="1" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="147" value="1" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="340" y="600" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="148" value="1" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="148" value="1" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="960" y="600" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="149" value="2" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="149" value="2" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="820" y="600" width="120" height="50" as="geometry"/>
                 </mxCell>
-                <mxCell id="150" value="3" style="rounded=0;whiteSpace=wrap;html=1;" vertex="1" parent="1">
+                <mxCell id="150" value="3" style="rounded=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
                     <mxGeometry x="680" y="600" width="120" height="50" as="geometry"/>
                 </mxCell>
             </root>