update sketch

media/sketch.ipe

@@ -1,7 +1,7 @@
 <?xml version="1.0"?>
 <!DOCTYPE ipe SYSTEM "ipe.dtd">
 <ipe version="70206" creator="Ipe 7.2.6">
-<info created="D:20170121175403" modified="D:20170121175403"/>
+<info created="D:20170121175403" modified="D:20170122112308"/>
 <ipestyle name="basic">
 <symbol name="arrow/arc(spx)">
 <path stroke="sym-stroke" fill="sym-stroke" pen="sym-pen">
@@ -202,13 +202,13 @@ h
 <dashstyle name="dash dotted" value="[4 2 1 2] 0"/>
 <dashstyle name="dash dot dotted" value="[4 2 1 2 1 2] 0"/>
 <textsize name="large" value="\large"/>
+<textsize name="small" value="\small"/>
+<textsize name="tiny" value="\tiny"/>
 <textsize name="Large" value="\Large"/>
 <textsize name="LARGE" value="\LARGE"/>
 <textsize name="huge" value="\huge"/>
 <textsize name="Huge" value="\Huge"/>
-<textsize name="small" value="\small"/>
 <textsize name="footnote" value="\footnotesize"/>
-<textsize name="tiny" value="\tiny"/>
 <textstyle name="center" begin="\begin{center}" end="\end{center}"/>
 <textstyle name="itemize" begin="\begin{itemize}" end="\end{itemize}"/>
 <textstyle name="item" begin="\begin{itemize}\item{}" end="\end{itemize}"/>
@@ -287,5 +287,11 @@ h
 158.386 704.028 l
 </path>
 <use matrix="1 0 0 1 -96 16" name="mark/disk(sx)" pos="208 704" size="normal" stroke="dark grey"/>
+<path matrix="0.482603 0 0 0.5 273.949 360" stroke="dark grey" pen="fat" arrow="normal/normal">
+112 720 m
+112 704 l
+158.386 704.028 l
+</path>
+<use matrix="1 0 0 1 120 16" name="mark/disk(sx)" pos="208 704" size="normal" stroke="dark grey"/>
 </page>
 </ipe>