diff --git a/docs/contact.html b/docs/contact.html
index d958c948cf28d0a9dff8d100a74a592fd72fb121..22162580c121ab7ed3ac4fe6bf736b3b2395e429 100644
--- a/docs/contact.html
+++ b/docs/contact.html
@@ -36,8 +36,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -137,16 +137,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="pics/vcss.png" alt="Valid CSS!"/>
+                    src="pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="pics/valid-html401.png"
diff --git a/docs/download.html b/docs/download.html
index 5a20058c99def6557d7fc95dea2d3c3e0db09aa6..9eeb8c2e381f7fb97be4e1ce39e5299659551e24 100644
--- a/docs/download.html
+++ b/docs/download.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -147,17 +147,17 @@
                 <br>
                 <a href="https://github.com/andrebrait/sinalgo"><img
                         src="pics/GitHub-Mark-120px-plus.png"
-                        height="48" border="0" alt="GitHub.com Mark"/></a>
+                        height="48" border="0" alt="GitHub.com Mark"></a>
                 <a href="https://github.com/andrebrait/sinalgo"><img
                         src="pics/GitHub_Logo.png"
-                        height="48" border="0" alt="GitHub.com Logo"/></a>
+                        height="48" border="0" alt="GitHub.com Logo"></a>
 
             <p>To obtain older releases (prior or equal to 0.75.3), please visit Sinalgo on <a class="nav_link"
                                                                                                href="https://sourceforge.net/projects/sinalgo">Sourceforge.net</a>
                 to obtain the latest release.
                 <br><a href="https://sourceforge.net/projects/sinalgo"><img
                         src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=5"
-                        height="62" border="0" alt="SourceForge.net Logo"/></a>
+                        height="62" border="0" alt="SourceForge.net Logo"></a>
 
 
             <h2>Installation</h2>
@@ -258,16 +258,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="pics/vcss.png" alt="Valid CSS!"/>
+                    src="pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="pics/valid-html401.png"
diff --git a/docs/faq.html b/docs/faq.html
index 464cacdfcce017e38c5e1893342a015d193621ba..517042c8f30ea7aabc75074d22e8d37571b5bc74 100644
--- a/docs/faq.html
+++ b/docs/faq.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -186,16 +186,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="pics/vcss.png" alt="Valid CSS!"/>
+                    src="pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="pics/valid-html401.png"
diff --git a/docs/index.html b/docs/index.html
index d10e96b608e30b299ae2849322e10d923f659927..7c087eef170d5955b3a6a76f71af5463f86d4229 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -192,15 +192,15 @@
 
             <p>
                 <a href="pics/screenshot1.png" target="_blank" class="nav_link"><img src="pics/screenshotSmall1.png"
-                                                                                     alt="screenshot1"/></a>
+                                                                                     alt="screenshot1"></a>
                 <a href="pics/screenshot2.png" target="_blank" class="nav_link"><img src="pics/screenshotSmall2.png"
-                                                                                     alt="screenshot2"/></a>
+                                                                                     alt="screenshot2"></a>
                 <a href="pics/screenshot3.png" target="_blank" class="nav_link"><img src="pics/screenshotSmall3.png"
-                                                                                     alt="screenshot3"/></a>
+                                                                                     alt="screenshot3"></a>
                 <a href="pics/screenshot4.png" target="_blank" class="nav_link"><img src="pics/screenshotSmall4.png"
-                                                                                     alt="screenshot4"/></a>
+                                                                                     alt="screenshot4"></a>
                 <a href="pics/screenshot5.png" target="_blank" class="nav_link"><img src="pics/screenshotSmall5.png"
-                                                                                     alt="screenshot5"/></a>
+                                                                                     alt="screenshot5"></a>
                 <br>
                 <span class="caption">Screenshots</span>
 
@@ -218,16 +218,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="pics/vcss.png" alt="Valid CSS!"/>
+                    src="pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="pics/valid-html401.png"
diff --git a/docs/news.html b/docs/news.html
index 14b733e07574437f01faee765e4bd4520657e9a1..05dcbec9ff95ca46c0904953e932b4fc7318a3d3 100644
--- a/docs/news.html
+++ b/docs/news.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -160,16 +160,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="pics/vcss.png" alt="Valid CSS!"/>
+                    src="pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="pics/valid-html401.png"
diff --git a/docs/tutorial/Architecture.html b/docs/tutorial/Architecture.html
index 4544f989c157fd47e393a7dd5c07c119ec19a35d..2733beda65bc45934bbf069d8017c867edb7ffb5 100644
--- a/docs/tutorial/Architecture.html
+++ b/docs/tutorial/Architecture.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -571,16 +571,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Configuration.html b/docs/tutorial/Configuration.html
index a323e3eab478a0bd640fbb7e4cc38b80292b0153..87c9e6ce6c30acbf3e345baf3cfd545879e0e0d7 100644
--- a/docs/tutorial/Configuration.html
+++ b/docs/tutorial/Configuration.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -222,7 +222,7 @@
                 project selector, you can get a description of the entries by
                 pointing the mouse on the corresponding field.
 
-            <p><img align="middle" src="../pics/tooltip.png" alt="Tooltip"/><br>
+            <p><img align="middle" src="../pics/tooltip.png" alt="Tooltip"><br>
                 <span class="caption">A sample tooltip help when pointing with the mouse on the entry <span
                         class="code">mobility</span>.</span>
 
@@ -512,16 +512,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Documentation.html b/docs/tutorial/Documentation.html
index 459b176af602cac1eba4613c4796be14beb6989c..d60ee848a5d2d25a190f3d717701ec0951f76ecf 100644
--- a/docs/tutorial/Documentation.html
+++ b/docs/tutorial/Documentation.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -215,16 +215,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Execution.html b/docs/tutorial/Execution.html
index 1cbfe3743e47507e771e5a12ab25e132786392c5..b90cfab2f0cba1dcfed59436930dd7315502e6d9 100644
--- a/docs/tutorial/Execution.html
+++ b/docs/tutorial/Execution.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -860,16 +860,16 @@ Preferences
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Implementation.html b/docs/tutorial/Implementation.html
index a6e752e56d4c09ac4a9eefb7cc761b47f5ea8a12..219b78d6dd0ac7ebfc583209f43068db3ea25fe3 100644
--- a/docs/tutorial/Implementation.html
+++ b/docs/tutorial/Implementation.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -1145,16 +1145,16 @@ nodeRemovedEvent(Node n)
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Installation.html b/docs/tutorial/Installation.html
index e405e854d897c9587c7c0fd766ae38e0629af865..607199db71cb03a5d6492081f2beb3b3b5cae5eb 100644
--- a/docs/tutorial/Installation.html
+++ b/docs/tutorial/Installation.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -318,16 +318,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Models.html b/docs/tutorial/Models.html
index 8ede5459a60465853beb05c07371f357dc815e31..238233ee060acc8954ccad8926442dc271d903b3 100644
--- a/docs/tutorial/Models.html
+++ b/docs/tutorial/Models.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -748,16 +748,16 @@ Line2D
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Project.html b/docs/tutorial/Project.html
index e68b6f8d6e971ca39473ec511e97d6db7a33b687..69fe174ce8d69e84bb7f4a5cf35901cedbecca84 100644
--- a/docs/tutorial/Project.html
+++ b/docs/tutorial/Project.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -254,16 +254,16 @@
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/Tools.html b/docs/tutorial/Tools.html
index ad7bc3b3ff1c35ef3e2a1f536cccbd70c1e35210..e26a700453730984a0ef504399767fea4b1e3025 100644
--- a/docs/tutorial/Tools.html
+++ b/docs/tutorial/Tools.html
@@ -24,8 +24,8 @@
     //-->
     </script>
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -588,16 +588,16 @@ ConstantDistribution
 
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub-Mark-120px-plus.png"
-                    height="25" border="0" alt="GitHub.com Mark"/></a>
+                    height="25" border="0" alt="GitHub.com Mark"></a>
             <a href="https://github.com/andrebrait/sinalgo"><img
                     src="../pics/GitHub_Logo.png"
-                    height="25" border="0" alt="GitHub.com Logo"/></a>
+                    height="25" border="0" alt="GitHub.com Logo"></a>
             <a href="https://sourceforge.net/projects/sinalgo/"><img
                     src="https://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31"
-                    border="0" alt="SourceForge.net Logo"/></a>
+                    border="0" alt="SourceForge.net Logo"></a>
             <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
                     style="border:0;width:44px;height:16px"
-                    src="../pics/vcss.png" alt="Valid CSS!"/>
+                    src="../pics/vcss.png" alt="Valid CSS!">
             </a>
             <a href="https://validator.w3.org/check?uri=referer"><img
                     src="../pics/valid-html401.png"
diff --git a/docs/tutorial/tuti.html b/docs/tutorial/tuti.html
index f73bbbb2812cccf51f8511a227cf1e6b5fa829d3..e6ac2804323066272b7d7c74e6da60374615221f 100644
--- a/docs/tutorial/tuti.html
+++ b/docs/tutorial/tuti.html
@@ -9,8 +9,8 @@
     <link REL="SHORTCUT ICON" HREF="../pics/favicon.ico">
     <link rel=stylesheet href="tutiStyle.css" type="text/css">
     <!-- Global site tag (gtag.js) - Google Analytics -->
-    <script async src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
-    <script>
+    <script type="text/javascript" src="https://www.googletagmanager.com/gtag/js?id=UA-120259448-1"></script>
+    <script type="text/javascript">
         window.dataLayer = window.dataLayer || [];
 
         function gtag() {
@@ -126,15 +126,15 @@
 
     <p>
         <a href="../pics/screenshot1.png" target="_blank" class="nav_link"><img src="../pics/screenshotSmall1.png"
-                                                                                alt="screenshot1"/></a>
+                                                                                alt="screenshot1"></a>
         <a href="../pics/screenshot2.png" target="_blank" class="nav_link"><img src="../pics/screenshotSmall2.png"
-                                                                                alt="screenshot2"/></a>
+                                                                                alt="screenshot2"></a>
         <a href="../pics/screenshot3.png" target="_blank" class="nav_link"><img src="../pics/screenshotSmall3.png"
-                                                                                alt="screenshot3"/></a>
+                                                                                alt="screenshot3"></a>
         <a href="../pics/screenshot4.png" target="_blank" class="nav_link"><img src="../pics/screenshotSmall4.png"
-                                                                                alt="screenshot4"/></a>
+                                                                                alt="screenshot4"></a>
         <a href="../pics/screenshot5.png" target="_blank" class="nav_link"><img src="../pics/screenshotSmall5.png"
-                                                                                alt="screenshot5"/></a>
+                                                                                alt="screenshot5"></a>
         <br>
         <span class="caption">Screenshots</span>
 
@@ -3426,16 +3426,16 @@ ConstantDistribution
     Computing Group</a> <br>
     <a href="https://github.com/andrebrait/sinalgo"><img
             src="../pics/GitHub-Mark-120px-plus.png"
-            height="25" border="0" alt="GitHub.com Mark"/></a>
+            height="25" border="0" alt="GitHub.com Mark"></a>
     <a href="https://github.com/andrebrait/sinalgo"><img
             src="../pics/GitHub_Logo.png"
-            height="25" border="0" alt="GitHub.com Logo"/></a>
+            height="25" border="0" alt="GitHub.com Logo"></a>
     <a href="https://sourceforge.net/projects/sinalgo/"><img
             src="http://sflogo.sourceforge.net/sflogo.php?group_id=192227&amp;type=1" width="88" height="31" border="0"
-            alt="SourceForge.net Logo"/></a>
+            alt="SourceForge.net Logo"></a>
     <a href="https://jigsaw.w3.org/css-validator/check/referer"> <img
             style="border:0;width:44px;height:16px"
-            src="../pics/vcss.png" alt="Valid CSS!"/>
+            src="../pics/vcss.png" alt="Valid CSS!">
     </a>
     <a href="https://validator.w3.org/check?uri=referer"><img
             src="../pics/valid-html401.png"