diff --git a/newick_generator.html b/newick_generator.html
index cc0d8218..9c3afeec 100644
--- a/newick_generator.html
+++ b/newick_generator.html
@@ -212,9 +212,9 @@ <h3><a class="anchor" id="autotoc_md57"></a>
 <div class="ttc" id="astructquetzal_1_1format_1_1newick_1_1TreeAlign_html"><div class="ttname"><a href="structquetzal_1_1format_1_1newick_1_1TreeAlign.html">quetzal::format::newick::TreeAlign</a></div><div class="ttdoc">Set a root node branch length to zero. Remove all nested comments.</div><div class="ttdef"><b>Definition:</b> from_network.hpp:180</div></div>
 </div><!-- fragment --><p>Since there are no comments stored in the labels of the generated random tree, the output of the different flavors are here quite similar:</p>
 <p><b>Output</b></p>
-<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;((,(,)),(,)):0.0;</div>
-<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;((,(,)),(,));</div>
-<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;((,(,)),(,));</div>
+<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;(,((,),(,))):0.0;</div>
+<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;(,((,),(,)));</div>
+<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;(,((,),(,)));</div>
 </div><!-- fragment --><hr  />
 <h3><a class="anchor" id="autotoc_md59"></a>
 Custom properties</h3>
@@ -275,7 +275,7 @@ <h3><a class="anchor" id="autotoc_md59"></a>
 <div class="ttc" id="astructedge__info_html"><div class="ttname"><a href="structedge__info.html">edge_info</a></div><div class="ttdef"><b>Definition:</b> newick_parser_2.cpp:12</div></div>
 <div class="ttc" id="astructvertex__info_html"><div class="ttname"><a href="structvertex__info.html">vertex_info</a></div><div class="ttdef"><b>Definition:</b> coalescence_binary_tree_2.cpp:5</div></div>
 </div><!-- fragment --><p><b>Output</b></p>
-<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;((U:8,(I:3,F:5)P:8)V:3,(O:4,W:0)H:6)U:0.0;</div>
+<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;((V:0,F:0)I:9,(Y:5,(B:3,G:4)P:2)W:3)R:0.0;</div>
 </div><!-- fragment --><hr  />
 <h2><a class="anchor" id="autotoc_md61"></a>
 From a Quetzal k-ary tree</h2>
@@ -380,7 +380,7 @@ <h3><a class="anchor" id="autotoc_md65"></a>
 <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;2</div>
 <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;2</div>
 <div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;2</div>
-<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;((G:0,(L:8,E:1)P:6)U:6,(R:0,T:4)J:7)I;</div>
+<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;((O:1,U:6)O:4,(J:2,(T:1,Y:0)A:8)F:0)A;</div>
 </div><!-- fragment --><hr  />
 <h2><a class="anchor" id="autotoc_md67"></a>
 Interfacing legacy code</h2>