// edges
a1 -> a2 -> a3 -> a4;
+ // these trailing spaces output as "nbsp" (UTF8 NO-BREAK SPACE)
a4 -> a5[xlabel="false ", fontsize=10];
a4 -> end[xlabel="true ", fontsize=10];
a5 -> a6 -> a7 -> a8 -> a9;
<title>a4->end</title>
<path fill="none" stroke="#000000" d="M259,-312.5834C259,-312.5834 259,-54.659 259,-54.659"/>
<polygon fill="#000000" stroke="#000000" points="262.5001,-54.659 259,-44.659 255.5001,-54.6591 262.5001,-54.659"/>
-<text text-anchor="middle" x="246" y="-186.6212" font-family="sans-serif" font-size="10.00" fill="#000000">true</text>
+<text text-anchor="middle" x="246" y="-186.6212" font-family="sans-serif" font-size="10.00" fill="#000000">true </text>
</g>
<!-- a5 -->
<g id="node7" class="node">
<title>a4->a5</title>
<path fill="none" stroke="#000000" d="M144,-298.269C144,-298.269 144,-286.5248 144,-286.5248"/>
<polygon fill="#000000" stroke="#000000" points="147.5001,-286.5248 144,-276.5248 140.5001,-286.5249 147.5001,-286.5248"/>
-<text text-anchor="middle" x="127" y="-284.3969" font-family="sans-serif" font-size="10.00" fill="#000000">false</text>
+<text text-anchor="middle" x="127" y="-284.3969" font-family="sans-serif" font-size="10.00" fill="#000000">false </text>
</g>
<!-- a6 -->
<g id="node8" class="node">