diff --git a/docs/tutorial/LangImpl1.html b/docs/tutorial/LangImpl1.html
index 077575f..3cd26fa 100644
--- a/docs/tutorial/LangImpl1.html
+++ b/docs/tutorial/LangImpl1.html
@@ -293,7 +293,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();
diff --git a/docs/tutorial/LangImpl2.html b/docs/tutorial/LangImpl2.html
index 6dba260..dbd617c 100644
--- a/docs/tutorial/LangImpl2.html
+++ b/docs/tutorial/LangImpl2.html
@@ -870,7 +870,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();
diff --git a/docs/tutorial/LangImpl3.html b/docs/tutorial/LangImpl3.html
index b29f422..768a783 100644
--- a/docs/tutorial/LangImpl3.html
+++ b/docs/tutorial/LangImpl3.html
@@ -735,7 +735,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();
diff --git a/docs/tutorial/LangImpl4.html b/docs/tutorial/LangImpl4.html
index 378b29b..5a41f51 100644
--- a/docs/tutorial/LangImpl4.html
+++ b/docs/tutorial/LangImpl4.html
@@ -583,7 +583,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();
diff --git a/docs/tutorial/LangImpl5.html b/docs/tutorial/LangImpl5.html
index 9826844..8672cdd 100644
--- a/docs/tutorial/LangImpl5.html
+++ b/docs/tutorial/LangImpl5.html
@@ -974,7 +974,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();
diff --git a/docs/tutorial/LangImpl6.html b/docs/tutorial/LangImpl6.html
index 33f4adb..013da2e 100644
--- a/docs/tutorial/LangImpl6.html
+++ b/docs/tutorial/LangImpl6.html
@@ -899,7 +899,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();
diff --git a/docs/tutorial/LangImpl7.html b/docs/tutorial/LangImpl7.html
index 4ad3b94..740e956 100644
--- a/docs/tutorial/LangImpl7.html
+++ b/docs/tutorial/LangImpl7.html
@@ -1085,7 +1085,7 @@
   if (LastChar == '#') {
     // Comment until end of line.
     do LastChar = getchar();
-    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp; LastChar != '\r');
+    while (LastChar != EOF &amp;&amp; LastChar != '\n' &amp;&amp; LastChar != '\r');
     
     if (LastChar != EOF)
       return gettok();