Index: trunk/doc/user/09_appendix/bridges.svg
===================================================================
--- trunk/doc/user/09_appendix/bridges.svg	(revision 35715)
+++ trunk/doc/user/09_appendix/bridges.svg	(revision 35716)
@@ -16,18 +16,22 @@
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@@ -46,6 +50,8 @@
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@@ -72,6 +76,8 @@
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@@ -80,18 +86,18 @@
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@@ -110,6 +116,10 @@
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+	<text fill="#000000" text-anchor="middle" x="688" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
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 	<line  marker-end="url(#ahe)"  x1="336" y1="878.4" x2="336" y2="957.6" stroke="#000000"/>
 	<g transform="rotate(-90 336 918)">
 	<text fill="#000000" text-anchor="middle" x="336" y="918" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">text</tspan></text>
 	</g>
+	<line  marker-end="url(#ahe)"  x1="96" y1="720" x2="192" y2="720" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="144" y="720" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="396" x2="1312" y2="396" stroke="#000000"/>
 	<line  marker-end="url(#ahe)"  x1="96" y1="648" x2="192" y2="648" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="648" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">netlist</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="784" y1="878.4" x2="784" y2="993.6" stroke="#000000"/>
+	<g transform="rotate(-90 784 936)">
+	<text fill="#000000" text-anchor="middle" x="784" y="936" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">stl</tspan></text>
+	</g>
 	<line  marker-end="url(#ahe)"  x1="96" y1="576" x2="192" y2="576" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="576" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">lines/arcs</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="96" y1="180" x2="192" y2="180" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="180" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="180" x2="1312" y2="180" stroke="#000000"/>
+	<line  marker-end="url(#ahe)"  x1="96" y1="828" x2="192" y2="828" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="144" y="828" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">netlist</tspan></text>
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 	<g transform="rotate(-90 464 918)">
 	<text fill="#000000" text-anchor="middle" x="464" y="918" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">.xy</tspan></text>
 	</g>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="396" x2="1312" y2="396" stroke="#000000"/>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="576" x2="1312" y2="576" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="1264" y="576" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">tEDAx</tspan><tspan x="1264" dy="1em">route*</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="96" y1="756" x2="192" y2="756" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="756" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="252" x2="1312" y2="252" stroke="#000000"/>
+	<line  marker-end="url(#ahe)"  x1="1040" y1="878.4" x2="1040" y2="993.6" stroke="#000000"/>
 	<line  marker-end="url(#ahe)"  x1="96" y1="684" x2="192" y2="684" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="684" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="848" y1="878.4" x2="848" y2="957.6" stroke="#000000"/>
@@ -151,80 +186,75 @@
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 	<text fill="#000000" text-anchor="middle" x="848" y="918" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">ps</tspan></text>
 	</g>
+	<line  marker-end="url(#ahe)"  x1="96" y1="864" x2="192" y2="864" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="144" y="864" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">footprint</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="720" y1="878.4" x2="720" y2="957.6" stroke="#000000"/>
 	<g transform="rotate(-90 720 918)">
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-	<line  marker-end="url(#ahe)"  x1="96" y1="864" x2="192" y2="864" stroke="#000000"/>
-	<text fill="#000000" text-anchor="middle" x="144" y="864" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">footprint</tspan></text>
-	<line  marker-end="url(#ahe)"  x1="592" y1="878.4" x2="592" y2="957.6" stroke="#000000"/>
-	<g transform="rotate(-90 592 918)">
-	<text fill="#000000" text-anchor="middle" x="592" y="918" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">.grb, .cnc</tspan></text>
-	</g>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="648" x2="1312" y2="648" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="1264" y="648" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">DSN</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="324" x2="1312" y2="324" stroke="#000000"/>
 	<line  marker-end="url(#ahe)"  x1="96" y1="792" x2="192" y2="792" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="792" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="1104" y1="878.4" x2="1104" y2="957.6" stroke="#000000"/>
-	<line  marker-end="url(#ahe)"  x1="96" y1="720" x2="192" y2="720" stroke="#000000"/>
-	<text fill="#000000" text-anchor="middle" x="144" y="720" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="896" y1="50.4" x2="896" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 896 108)">
+	<text fill="#000000" text-anchor="middle" x="896" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">schematics</tspan></text>
+	</g>
 	<line  marker-end="url(#ahe)"  x1="912" y1="878.4" x2="912" y2="993.6" stroke="#000000"/>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="864" y1="50.4" x2="864" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 864 108)">
-	<text fill="#000000" text-anchor="middle" x="864" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">schematics</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="1168" y1="878.4" x2="1168" y2="993.6" stroke="#000000"/>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="297.6" y1="50.4" x2="297.6" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 297.6 108)">
+	<text fill="#000000" text-anchor="middle" x="297.6" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan><tspan x="297.6" dy="1em">s-expr</tspan></text>
 	</g>
-	<line  marker-end="url(#ahe)"  x1="784" y1="878.4" x2="784" y2="993.6" stroke="#000000"/>
-	<g transform="rotate(-90 784 936)">
-	<text fill="#000000" text-anchor="middle" x="784" y="936" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">stl</tspan></text>
-	</g>
-	<line  marker-end="url(#ahe)"  x1="1168" y1="878.4" x2="1168" y2="993.6" stroke="#000000"/>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="720" x2="1312" y2="720" stroke="#000000"/>
 	<line  marker-end="url(#ahe)"  x1="528" y1="878.4" x2="528" y2="993.6" stroke="#000000"/>
 	<g transform="rotate(-90 528 936)">
 	<text fill="#000000" text-anchor="middle" x="528" y="936" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">svg</tspan></text>
 	</g>
-	<line  marker-end="url(#ahe)"  x1="96" y1="828" x2="192" y2="828" stroke="#000000"/>
-	<text fill="#000000" text-anchor="middle" x="144" y="828" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">netlist</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="976" y1="878.4" x2="976" y2="957.6" stroke="#000000"/>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="540.8" y1="50.4" x2="540.8" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 540.8 108)">
-	<text fill="#000000" text-anchor="middle" x="540.8" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="572.8" y1="50.4" x2="572.8" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 572.8 108)">
+	<text fill="#000000" text-anchor="middle" x="572.8" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
 	</g>
 	<line  marker-end="url(#ahe)"  x1="272" y1="878.4" x2="272" y2="993.6" stroke="#000000"/>
 	<g transform="rotate(-90 272 936)">
 	<text fill="#000000" text-anchor="middle" x="272" y="936" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">lihata</tspan></text>
 	</g>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="736" y1="50.4" x2="736" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 736 108)">
-	<text fill="#000000" text-anchor="middle" x="736" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="421.6" y1="86.4" x2="421.6" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 421.6 126)">
+	<text fill="#000000" text-anchor="middle" x="421.6" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">netlist</tspan></text>
 	</g>
-	<line  marker-end="url(#ahe)"  x1="1040" y1="878.4" x2="1040" y2="993.6" stroke="#000000"/>
-	<line  marker-start="url(#ahs)"  x1="304" y1="50.4" x2="304" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 304 108)">
-	<text fill="#000000" text-anchor="middle" x="304" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan><tspan x="304" dy="1em">legacy</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="768" y1="50.4" x2="768" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 768 108)">
+	<text fill="#000000" text-anchor="middle" x="768" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
 	</g>
+	<line  marker-start="url(#ahs)"  x1="336" y1="50.4" x2="336" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 336 108)">
+	<text fill="#000000" text-anchor="middle" x="336" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan><tspan x="336" dy="1em">legacy</tspan></text>
+	</g>
 	<line  marker-end="url(#ahe)"  x1="96" y1="252" x2="192" y2="252" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="252" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
 	<line  marker-end="url(#ahe)"  x1="656" y1="878.4" x2="656" y2="993.6" stroke="#000000"/>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="579.2" y1="50.4" x2="579.2" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 579.2 108)">
-	<text fill="#000000" text-anchor="middle" x="579.2" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="611.2" y1="50.4" x2="611.2" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 611.2 108)">
+	<text fill="#000000" text-anchor="middle" x="611.2" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan></text>
 	</g>
 	<line  marker-end="url(#ahe)"  x1="400" y1="878.4" x2="400" y2="993.6" stroke="#000000"/>
 	<g transform="rotate(-90 400 936)">
 	<text fill="#000000" text-anchor="middle" x="400" y="936" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">postscript</tspan></text>
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-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="425.6" y1="86.4" x2="425.6" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 425.6 126)">
-	<text fill="#000000" text-anchor="middle" x="425.6" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="457.6" y1="86.4" x2="457.6" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 457.6 126)">
+	<text fill="#000000" text-anchor="middle" x="457.6" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan></text>
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-	<g transform="rotate(-90 342.4 108)">
-	<text fill="#000000" text-anchor="middle" x="342.4" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan><tspan x="342.4" dy="1em">s-expr</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="374.4" y1="50.4" x2="374.4" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 374.4 108)">
+	<text fill="#000000" text-anchor="middle" x="374.4" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan><tspan x="374.4" dy="1em">s-expr</tspan></text>
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 	<line  marker-end="url(#ahe)"  x1="96" y1="288" x2="192" y2="288" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="288" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="265.6" y1="50.4" x2="265.6" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 265.6 108)">
-	<text fill="#000000" text-anchor="middle" x="265.6" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan><tspan x="265.6" dy="1em">s-expr</tspan></text>
-	</g>
 	<line  marker-end="url(#ahe)"  x1="96" y1="216" x2="192" y2="216" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="216" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">netlist</tspan></text>
 	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="0" y1="0" x2="0" y2="165.6" stroke="#000000"/>
@@ -231,58 +261,35 @@
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-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="454.4" y1="86.4" x2="454.4" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 454.4 126)">
-	<text fill="#000000" text-anchor="middle" x="454.4" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">etest</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="486.4" y1="86.4" x2="486.4" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 486.4 126)">
+	<text fill="#000000" text-anchor="middle" x="486.4" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">etest</tspan></text>
 	</g>
-	<line  marker-end="url(#ahe)"  x1="96" y1="396" x2="192" y2="396" stroke="#000000"/>
-	<text fill="#000000" text-anchor="middle" x="144" y="396" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">netlist</tspan></text>
-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="389.6" y1="86.4" x2="389.6" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 389.6 126)">
-	<text fill="#000000" text-anchor="middle" x="389.6" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">netlist</tspan></text>
-	</g>
 	<line  marker-end="url(#ahe)"  x1="96" y1="324" x2="192" y2="324" stroke="#000000"/>
 	<text fill="#000000" text-anchor="middle" x="144" y="324" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="144" dy="1em">schematics</tspan></text>
-	<line  marker-end="url(#ahe)"  x1="1059.2" y1="86.4" x2="1059.2" y2="165.6" stroke="#000000"/>
-	<g transform="rotate(-90 1059.2 126)">
-	<text fill="#000000" text-anchor="middle" x="1059.2" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="1091.2" y1="86.4" x2="1091.2" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 1091.2 126)">
+	<text fill="#000000" text-anchor="middle" x="1091.2" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
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-	<text fill="#000000" text-anchor="middle" x="816" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="529.6" y1="86.4" x2="529.6" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 529.6 126)">
+	<text fill="#000000" text-anchor="middle" x="529.6" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">DRC</tspan><tspan x="529.6" dy="1em">spec</tspan></text>
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-	<text fill="#000000" text-anchor="middle" x="497.6" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">DRC</tspan><tspan x="497.6" dy="1em">spec</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="848" y1="86.4" x2="848" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 848 126)">
+	<text fill="#000000" text-anchor="middle" x="848" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
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Index: trunk/doc/user/09_appendix/src/bridges.txt
===================================================================
--- trunk/doc/user/09_appendix/src/bridges.txt	(revision 35715)
+++ trunk/doc/user/09_appendix/src/bridges.txt	(revision 35716)
@@ -1,7 +1,7 @@
-              *io----------------------------------------------------------+
-              |[kica    ]       [gpcb  ]    [hyp_]  [gsch]  [c_pcb] [dsn_ ]|
-              |        [  tedax  ]     [pads]    [fido]  [prtl]  [eagl]    |
-              +------------------------------------------------------------+
+                *io------------------------------------------------------+
+                |[kica    ]       [gpcb  ]    [hyp_]  [gsch]   [dsn_ ]   |
+                |        [  tedax  ]     [pads]    [fido]  [prtl]  [eagl]|
+                +--------------------------------------------------------+
 *inp----+                                                                        *hid--------+
 |[eesc ]|   *pcbrnd----------------------------------------------------------+   |[batch  ]  |
 |[mucs ]|   |                                                                |   |           |
@@ -11,14 +11,14 @@
 |[edif ]|   |                                                                |   |           |
 |[netl ]|   |                                                                |   |[remote]   |
 |[ipcd ]|   |                                                                |   |           |
-|[easy ]|   |                                                                |   |           |
-|[xsch ]|   |                                                                |   |           |
-|[caly ]|   |                                                                |   |           |
-|[hpgl ]|   |                                                                |   |           |
+|[easy ]|   |                                                                |   +-----------+
+|[xsch ]|   |                                                                |
+|[caly ]|   |                                                                |   *autor------+
+|[hpgl ]|   |                                                                |   |[route_rnd]|
 |[hkp_ ]|   |                                                                |   |           |
-|[fpcb ]|   |                                                                |   |           |
+|[fpcb ]|   |                                                                |   |[freert]   |
 |[padsn]|   |                                                                |   |           |
-|[orcdn]|   |                                                                |   |           |
+|[orcdn]|   |                                                                |   |[c_pcb]    |
 |[accln]|   |                                                                |   |           |
 |[prtln]|   |                                                                |   |           |
 |[msch ]|   |                                                                |   |           |
@@ -63,6 +63,14 @@
 	valign top
 
 
+[autor]
+	linecolor #cccccc
+	bgcolor #cccccc
+	textcolor #884433
+	label External autorouters
+	valign top
+
+
 [pcbrnd]
 	label pcb-rnd
 	bgcolor #00ffff
@@ -156,9 +164,6 @@
 [eagl]
 	label Eagle\n(board)
 
-[c_pcb]
-	label c-pcb\n(autorouting)
-
 [dsn_]
 	label dsn\n(autorouting)
 
@@ -228,8 +233,15 @@
 [remote]
 	label remote\n(network)
 
+[route_rnd]
+	label route-rnd\n(multiple algorithms)
 
+[freert]
+	label freerouting.net\nfreerouting.cli
 
+[c_pcb]
+	label c-pcb
+
 -> pcbrnd bom_.n
 	label text
 
@@ -383,8 +395,6 @@
 -> eagl.s+0.2 pcbrnd
 	label DRU
 
-<-> c_pcb.s pcbrnd
-	label board
 
 <-> dsn_.s pcbrnd
 	label board
@@ -399,3 +409,12 @@
 <-> pcbrnd lesstif.w
 
 <-> pcbrnd remote.w
+
+<-> pcbrnd route_rnd.w
+	label tEDAx\nroute*
+
+<-> pcbrnd freert.w
+	label DSN
+
+<-> pcbrnd c_pcb.w
+