Index: bridges.svg
===================================================================
--- bridges.svg	(revision 10290)
+++ bridges.svg	(revision 10291)
@@ -15,13 +15,13 @@
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-	<text fill="#000000" text-anchor="middle" x="656" y="522" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em"></tspan></text>
+	<text fill="#884433" text-anchor="middle" x="656" y="590.4" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">output-only</tspan></text>
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-	<text fill="#000000" text-anchor="middle" x="1240" y="288" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em"></tspan></text>
+	<text fill="#884433" text-anchor="middle" x="1240" y="129.6" font-family="Times,serif" font-size="14.00"><tspan dy="0.8em">HID (GUI)</tspan></text>
 	<polygon fill="#cccccc" stroke="#cccccc"  points="0,129.6 96,129.6  96,446.4 0,446.4"/>
-	<text fill="#000000" text-anchor="middle" x="48" y="288" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em"></tspan></text>
+	<text fill="#884433" text-anchor="middle" x="48" y="129.6" font-family="Times,serif" font-size="14.00"><tspan dy="0.8em">input-only</tspan></text>
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@@ -77,7 +77,7 @@
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+	<text fill="#000000" text-anchor="middle" x="976" y="36" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">gEDA</tspan><tspan x="976" dy="1em">gschem</tspan></text>
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@@ -84,10 +84,24 @@
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+	<line  marker-end="url(#ahe)"  x1="80" y1="216" x2="224" y2="216" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="152" y="216" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="152" dy="1em">netlist</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="80" y1="252" x2="224" y2="252" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="152" y="252" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="152" dy="1em">schematics</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="80" y1="360" x2="224" y2="360" stroke="#000000"/>
+	<text fill="#000000" text-anchor="middle" x="152" y="360" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="152" dy="1em">schematics</tspan></text>
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+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="816" y1="50.4" x2="816" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 816 108)">
+	<text fill="#000000" text-anchor="middle" x="816" y="108" 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="152" y="396" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="152" dy="1em">netlist</tspan></text>
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+	<text fill="#000000" text-anchor="middle" x="665.6" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">footprint</tspan></text>
+	</g>
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 	<text fill="#000000" text-anchor="middle" x="152" y="324" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="152" dy="1em">schematics</tspan></text>
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@@ -94,16 +108,22 @@
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+	<g transform="rotate(-90 243.2 108)">
+	<text fill="#000000" text-anchor="middle" x="243.2" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan><tspan x="243.2" dy="1em">s-expr</tspan></text>
+	</g>
 	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="598.4" y1="50.4" x2="598.4" y2="165.6" stroke="#000000"/>
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+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="496" y1="86.4" x2="496" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 496 126)">
+	<text fill="#000000" text-anchor="middle" x="496" 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="576" y1="410.4" x2="576" y2="489.6" stroke="#000000"/>
+	<g transform="rotate(-90 576 450)">
+	<text fill="#000000" text-anchor="middle" x="576" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">.xy</tspan></text>
+	</g>
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@@ -112,14 +132,18 @@
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-	<text fill="#000000" text-anchor="middle" x="665.6" 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="1056" y1="86.4" x2="1056" y2="165.6" stroke="#000000"/>
+	<g transform="rotate(-90 1056 126)">
+	<text fill="#000000" text-anchor="middle" x="1056" 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="736" y1="410.4" x2="736" y2="489.6" stroke="#000000"/>
+	<g transform="rotate(-90 736 450)">
+	<text fill="#000000" text-anchor="middle" x="736" y="450" 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="396.8" y1="50.4" x2="396.8" y2="165.6" stroke="#000000"/>
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@@ -128,10 +152,11 @@
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-	<text fill="#000000" text-anchor="middle" x="243.2" y="108" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan><tspan x="243.2" dy="1em">s-expr</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="1056" y1="410.4" x2="1056" y2="489.6" stroke="#000000"/>
+	<g transform="rotate(-90 1056 450)">
+	<text fill="#000000" text-anchor="middle" x="1056" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">ps</tspan></text>
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+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1072" y1="396" x2="1168" y2="396" stroke="#000000"/>
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@@ -139,23 +164,19 @@
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-	<g transform="rotate(-90 496 126)">
-	<text fill="#000000" text-anchor="middle" x="496" y="126" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">board</tspan></text>
+	<line  marker-end="url(#ahe)"  x1="656" y1="410.4" x2="656" y2="525.6" stroke="#000000"/>
+	<g transform="rotate(-90 656 468)">
+	<text fill="#000000" text-anchor="middle" x="656" y="468" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">svg</tspan></text>
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-	<line  marker-end="url(#ahe)"  x1="576" y1="410.4" x2="576" y2="489.6" stroke="#000000"/>
-	<g transform="rotate(-90 576 450)">
-	<text fill="#000000" text-anchor="middle" x="576" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">.xy</tspan></text>
+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="410.4" x2="1216" y2="489.6" stroke="#000000"/>
+	<g transform="rotate(-90 1216 450)">
+	<text fill="#000000" text-anchor="middle" x="1216" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">TCP/IP</tspan></text>
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+	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1072" y1="252" x2="1168" y2="252" stroke="#000000"/>
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@@ -162,31 +183,10 @@
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-	<text fill="#000000" text-anchor="middle" x="736" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">.grb, .cnc</tspan></text>
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-	<g transform="rotate(-90 1056 450)">
-	<text fill="#000000" text-anchor="middle" x="1056" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">ps</tspan></text>
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-	<line  marker-end="url(#ahe)" marker-start="url(#ahs)"  x1="1216" y1="410.4" x2="1216" y2="489.6" stroke="#000000"/>
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-	<text fill="#000000" text-anchor="middle" x="1216" y="450" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">TCP/IP</tspan></text>
-	</g>
-	<line  marker-end="url(#ahe)"  x1="80" y1="216" x2="224" y2="216" stroke="#000000"/>
-	<text fill="#000000" text-anchor="middle" x="152" y="216" font-family="Times,serif" font-size="14.00"><tspan dy="-0.2em">import</tspan><tspan x="152" dy="1em">netlist</tspan></text>
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Index: bridges.txt
===================================================================
--- bridges.txt	(revision 10290)
+++ bridges.txt	(revision 10291)
@@ -17,14 +17,6 @@
             +----------------------------------------------------------+
 %%
 
-%png
-cell-width 20
-cell-height 40
-
-%svg
-cell-width 16
-cell-height 36
-
 []
 	shape box
 
@@ -32,18 +24,30 @@
 [inp]
 	linecolor #cccccc
 	bgcolor #cccccc
+	textcolor #884433
+	label input-only
+	valign top
 
 [io]
 	linecolor #cccccc
 	bgcolor #cccccc
+	textcolor #884433
+	label input-output
+	valign top
 
 [out]
 	linecolor #cccccc
 	bgcolor #cccccc
+	textcolor #884433
+	label output-only
+	valign bottom
 
 [hid]
 	linecolor #cccccc
 	bgcolor #cccccc
+	textcolor #884433
+	label HID (GUI)
+	valign top
 
 
 [pcbrnd]