diff --git a/tutorial/tutorial.wmml b/tutorial/tutorial.wmml
index 0c988c08c3f0eb219b0861f3a3474f5a65093028..1dfdda58ee41970f7359056eeff8094f9e36ca1b 100644
--- a/tutorial/tutorial.wmml
+++ b/tutorial/tutorial.wmml
@@ -636,12 +636,12 @@ This means that you cannot assign new values to individual characters in a strin
Also, all strings are "shared", i.e. if the same string is used in several places, it will be stored in memory only once.
When writing a string in a program, you enclose it in double quotes. To write special characters you need to use the following syntax:
<table>
-<tr><td><li>\n</td><td>newline</td></tr>
-<tr><td><li>\r</td><td>carriage return</td></tr>
-<tr><td><li>\t</td><td>tab</td></tr>
-<tr><td><li>\b</td><td>backspace</td></tr>
-<tr><td><li>\"</td><td>" (quotation character)</td></tr>
-<tr><td><li>\\</td><td>\ (literal backslash)</td></tr>
+<tr><td>\n</td><td>newline</td></tr>
+<tr><td>\r</td><td>carriage return</td></tr>
+<tr><td>\t</td><td>tab</td></tr>
+<tr><td>\b</td><td>backspace</td></tr>
+<tr><td>\"</td><td>" (quotation character)</td></tr>
+<tr><td>\\</td><td>\ (literal backslash)</td></tr>
</table>
<dt>Mapping
<dd>A mapping is basically an array that can be indexed on any type, not just integers. It can also be seen as a way of linking data (usually strings) together. It consists of a lot of index-data pairs which are linked together in such a way that map[index1] returns data1.
@@ -2326,14 +2326,14 @@ The arithmetic operators are the simplest ones, since they work just like
you remember from math in school. The arithmetic operators are:
<center>
<p>
-<table border=1>
+<table nicer>
<tr> <th>Function</th> <th>Syntax</th> <th>Identifier</th> <th>Returns</th></tr>
<tr><td><anchor name=`+>Addition</anchor></td> <td><tt>a + b</tt></td> <td><tt>`+</tt></td> <td>the sum of a and b</td></tr>
-<tr><anchor name=`-> <td>Subtraction</td> <td><tt>a - b</tt></td> <td><tt>`-</tt></td> <td>b subtracted from a</td></anchor></tr>
-<tr> <td>Negation</td> <td><tt>- a</tt></td> <td><tt>`-</tt></td> <td>minus a</td></tr>
-<tr><anchor name=`*> <td>Multiplication</td> <td><tt>a * b</tt></td> <td><tt>`*</tt></td> <td>a multiplied by b</td></anchor></tr>
-<tr><anchor name=`/> <td>Division</td> <td><tt>a / b</tt></td> <td><tt>`/</tt></td> <td>a divided by b</td></anchor></tr>
-<tr><anchor name=`%> <td>Modulo</td> <td><tt>a % b</tt></td> <td><tt>`%</tt></td> <td>the remainder of a division between a and b</td></anchor></tr>
+<tr><td><anchor name=`->Subtraction</anchor></td> <td><tt>a - b</tt></td> <td><tt>`-</tt></td> <td>b subtracted from a</td></tr>
+<tr><td>Negation</td> <td><tt>- a</tt></td> <td><tt>`-</tt></td> <td>minus a</td></tr>
+<tr><td><anchor name=`*>Multiplication</anchor></td> <td><tt>a * b</tt></td> <td><tt>`*</tt></td> <td>a multiplied by b</td></tr>
+<tr><td><anchor name=`/>Division</anchor></td> <td><tt>a / b</tt></td> <td><tt>`/</tt></td> <td>a divided by b</td></tr>
+<tr><td><anchor name=`%>Modulo</anchor></td> <td><tt>a % b</tt></td> <td><tt>`%</tt></td> <td>the remainder of a division between a and b</td></tr>
</table>
</center>
<p>
@@ -2361,7 +2361,7 @@ However, there are more types in Pike than integers and floats. Here is
the complete list of combinations of types you can use with these operators:
<center>
-<table border=1>
+<table nicer>
<tr>
<th>Operation</th><th>Returned type</th><th>Returned value</th>
@@ -2525,14 +2525,14 @@ For this purpose there are six comparison operators:
<center>
<p>
-<table border=1>
+<table nicer>
<tr> <th>Function</th> <th>Syntax</th> <th>Identifier</th> <th>Returns</th></tr>
-<tr><anchor name=`==> <td>Same</td> <td><tt>a == b</tt></td> <td><tt>`==</tt></td> <td>1 if a is the same value as b, 0 otherwise</td></anchor></tr>
-<tr><anchor name=`!=> <td>Not same</td> <td><tt>a != b</tt></td> <td><tt>`!=</tt></td> <td>0 if a is the same value as b, 1 otherwise</td></anchor></tr>
-<tr><anchor name="`>"> <td>Greater than</td> <td><tt>a > b</tt></td> <td><tt>`> </tt></td><td>1 if a is greater than b, 0 otherwise</td></anchor></tr>
-<tr><anchor name="`>="> <td>Greater than or equal to</td><td><tt>a >= b</tt></td><td><tt>`>=</tt></td><td>1 if a is greater to or equal to b, 0 otherwise</td></anchor></tr>
-<tr><anchor name="`<"> <td>Lesser than</td> <td><tt>a < b</tt></td> <td><tt>`< </tt></td><td>1 if a is lesser than b, 0 otherwise</td></anchor></tr>
-<tr><anchor name="`<="> <td>Lesser than or equal to</td> <td><tt>a <= b</tt></td><td><tt>`<=</tt></td><td>1 if a is lesser than or equal to b, 0 otherwise</td></anchor></tr>
+<tr><td><anchor name=`==>Same</anchor></td> <td><tt>a == b</tt></td> <td><tt>`==</tt></td> <td>1 if a is the same value as b, 0 otherwise</td></tr>
+<tr><td><anchor name=`!=>Not same</anchor></td> <td><tt>a != b</tt></td> <td><tt>`!=</tt></td> <td>0 if a is the same value as b, 1 otherwise</td></tr>
+<tr><td><anchor name="`>">Greater than</anchor></td> <td><tt>a > b</tt></td> <td><tt>`> </tt></td><td>1 if a is greater than b, 0 otherwise</td></tr>
+<tr><td><anchor name="`>=">Greater than or equal to</anchor></td><td><tt>a >= b</tt></td><td><tt>`>=</tt></td><td>1 if a is greater to or equal to b, 0 otherwise</td></tr>
+<tr><td><anchor name="`<">Lesser than</anchor></td> <td><tt>a < b</tt></td> <td><tt>`< </tt></td><td>1 if a is lesser than b, 0 otherwise</td></tr>
+<tr><td><anchor name="`<=">Lesser than or equal to</anchor></td> <td><tt>a <= b</tt></td><td><tt>`<=</tt></td><td>1 if a is lesser than or equal to b, 0 otherwise</td></tr>
</table>
<p>
</center>
@@ -2559,7 +2559,7 @@ can not be called as normal functions. There are four logical operators:
<center>
<p>
-<table border=1>
+<table nicer>
<tr><th>Function</th> <th>Syntax</th> <th>Returns</th></tr>
<tr><td>And</td> <td><tt>a && b</tt></td> <td>If a is false, a is returned and b is not evaluated. Otherwise, b is returned.</td></tr>
<tr><td>Or</td> <td><tt>a || b</tt></td> <td>If a is true, a is returned and b is not evaluated. Otherwise, b is returned.</td></tr>
@@ -2575,14 +2575,14 @@ They can also manipulate arrays, multisets and mappings as sets.
<center>
<p>
-<table border=1>
+<table nicer>
<tr> <th>Function</th> <th>Syntax</th> <th>Identifier</th> <th>Returns</th></tr>
-<tr><anchor name="`<<"> <td>Shift left</td> <td><tt>a << b</tt></td> <td><tt>`<<</tt></td> <td>Multiplies a by 2 b times.</td></anchor></tr>
-<tr><anchor name="`>>"> <td>Shift right</td> <td><tt>a >> b</tt></td> <td><tt>`>></tt></td> <td>Divides a by 2 b times.</td></anchor></tr>
-<tr><anchor name=`~> <td>Inverse (not)</td> <td><tt>~ a</tt></td> <td><tt>`~</tt></td> <td>Returns -1-a.</td></anchor></tr>
-<tr><anchor name=`&> <td>Intersection (and)</td> <td><tt>a & b</tt></td> <td><tt>`&</tt></td> <td>All elements present in both a and b.</td></anchor></tr>
-<tr><anchor name=`|> <td>Union (or)</td> <td><tt>a | b</tt></td> <td><tt>`|</tt></td> <td>All elements present in a or b.</td></anchor></tr>
-<tr><anchor name=`^> <td>Symmetric difference (xor)</td><td><tt>a ^ b</tt></td> <td><tt>`^</tt></td> <td>All elements present in a or b, but not present in both.</td></anchor></tr>
+<tr><td><anchor name="`<<">Shift left</anchor></td> <td><tt>a << b</tt></td> <td><tt>`<<</tt></td> <td>Multiplies a by 2 b times.</td></tr>
+<tr><td><anchor name="`>>">Shift right</anchor></td> <td><tt>a >> b</tt></td> <td><tt>`>></tt></td> <td>Divides a by 2 b times.</td></tr>
+<tr><td><anchor name=`~>Inverse (not)</anchor></td> <td><tt>~ a</tt></td> <td><tt>`~</tt></td> <td>Returns -1-a.</td></tr>
+<tr><td><anchor name=`&>Intersection (and)</anchor></td> <td><tt>a & b</tt></td> <td><tt>`&</tt></td> <td>All elements present in both a and b.</td></tr>
+<tr><td><anchor name=`|>Union (or)</anchor></td> <td><tt>a | b</tt></td> <td><tt>`|</tt></td> <td>All elements present in a or b.</td></tr>
+<tr><td><anchor name=`^>Symmetric difference (xor)</anchor></td><td><tt>a ^ b</tt></td> <td><tt>`^</tt></td> <td>All elements present in a or b, but not present in both.</td></tr>
</table>
<p>
</center>
@@ -2615,13 +2615,13 @@ complex data type.
<center>
<p>
-<table border=1>
+<table nicer>
<tr> <th>Function</th> <th>Syntax</th> <th>Identifier</th> <th>Returns</th></tr>
-<tr><anchor name=`[]> <td>Index</td> <td><tt>a [ b ]</tt></td> <td><tt>`[]</tt></td> <td>Returns the index b from a.</td></anchor></tr>
-<tr><anchor name="`->"> <td>Lookup</td> <td><tt>a -><i>identifier</i></tt></td><td><tt>`-></tt></td><td>Looks up the identifier. Same as a["<i>identifier</i>"].</td></anchor></tr>
-<tr><anchor name=`[]=> <td>Assign index</td> <td><tt>a [ b ] = c</tt></td> <td><tt>`[]=;</tt></td><td>Sets the index b in a to c.</td></anchor></tr>
-<tr><anchor name="`->="><td>Assign index</td> <td><tt>a -><i>identifier</i> = c</tt></td><td><tt>`->=</tt></td><td>Sets the index "<i>identifier</i>" in a to c.</td></anchor></tr>
-<tr><anchor name=`[..]> <td>Range</td> <td><tt>a [ b .. c ]</tt></td> <td><tt>`[..]</tt></td> <td>Returns a slice of a starting at the index b and ending at c.</td></anchor></tr>
+<tr><td><anchor name=`[]>Index</anchor></td> <td><tt>a [ b ]</tt></td> <td><tt>`[]</tt></td> <td>Returns the index b from a.</td></tr>
+<tr><td><anchor name="`->">Lookup</anchor></td> <td><tt>a -><i>identifier</i></tt></td><td><tt>`-></tt></td><td>Looks up the identifier. Same as a["<i>identifier</i>"].</td></tr>
+<tr><td><anchor name=`[]=>Assign index</anchor></td> <td><tt>a [ b ] = c</tt></td> <td><tt>`[]=;</tt></td><td>Sets the index b in a to c.</td></tr>
+<tr><td><anchor name="`->=">Assign index</anchor></td> <td><tt>a -><i>identifier</i> = c</tt></td><td><tt>`->=</tt></td><td>Sets the index "<i>identifier</i>" in a to c.</td></tr>
+<tr><td><anchor name=`[..]>Range</anchor></td> <td><tt>a [ b .. c ]</tt></td> <td><tt>`[..]</tt></td> <td>Returns a slice of a starting at the index b and ending at c.</td></tr>
<tr> <td>Range</td> <td><tt>a [ .. c ]</tt></td> <td><tt>`[..]</tt></td> <td>Returns a slice of a starting at the beginning of a and ending at c.</td></tr>
<tr> <td>Range</td> <td><tt>a [ b .. ]</tt></td> <td><tt>`[..]</tt></td> <td>Returns a slice of a from the index b to the end of a.</td></tr>
</table>
@@ -2638,7 +2638,7 @@ index strings, arrays, mapping, multisets and objects, and some of these
can only be indexed on certain things as shown in this list:
<p>
<center>
-<table border=1>
+<table nicer>
<tr>
<th>Operation</th> <th>Returns</th>
</tr>
@@ -2777,7 +2777,7 @@ that modify the contents of a variable instead of just assigning it.
Here is a list of all the combinations:
<p>
<center>
-<table border=1>
+<table nicer>
<tr><th>Syntax</th> <th>Same as</th> <th>Function</th></tr>
<tr><td><tt><i>variable</i> += <i>expression</i></tt></td><td> <i>variable</i> = <i>variable</i> + <i>expression</i></td><td>Add <i>expression</i> to <i>variable</i></td></tr>
<tr><td><tt><i>variable</i> -= <i>expression</i></tt></td><td> <i>variable</i> = <i>variable</i> - <i>expression</i></td><td>Subtract <i>expression</i> from <i>variable</i></td></tr>
@@ -2798,7 +2798,7 @@ of assignable values. Assignable values are also known as <b>lvalues</b> and
here is a list of <b>lvalues</b>:
<p>
<center>
-<table border=1>
+<table nicer>
<tr><th>Lvalue type</th><th>Syntax</th><th>Valid assignment type</th></tr>
<tr><td> a local or global variable </td><td> <i>identifier</i> </td> <td>same as variable</td></tr>
<tr><td> an element in an array </td><td> <i>array</i> [ <i>int</i> ]</td><td>any type</td></tr>
@@ -2821,7 +2821,7 @@ not fit in any particular categories.
<center>
<p>
-<table border=1>
+<table nicer>
<tr><th>Function</th> <th>Syntax</th> <th>Identifier</th><th>Returns</th></tr>
<tr><anchor name=`()><td>Calling</td><td><tt>a ( <i>args</i> )</tt></td><td><tt>`()</tt></td><td>Calls the function a.</td></anchor></tr>
<tr><td>splice</td> <td><tt>@ <i>a</i></tt></td> <td>none</td> <td>Sends each element in the array a as an individual argument to a function call.</td></tr>
@@ -2874,7 +2874,7 @@ Casting is used to convert one type to another, not all casts are
possible. Here is a list of all casts that actually _do_ anything:
<p>
<center>
-<table border=1>
+<table nicer>
<tr><th>casting from</th><th>to</th><th>operation</th></tr>
<tr><td>int</td><td>string</td><td>Convert the int to ASCII representation</td></tr>
<tr><td>float</td><td>string</td><td>Convert the float to ASCII representation</td></tr>
@@ -2915,8 +2915,7 @@ with higher priority before those with lower. The following table shows
the relative priority of all the operators in descending order:
<p>
<center>
-<table border=1 halign=center>
-<tr><th>Operators</th></tr>
+<table halign=center>
<tr><td><center><tt>(a) a() a[b] a->b a[b..c] ({}) ([]) (<>)</tt></center></td></tr>
<tr><td><center><tt>!a ~a (type)a ++a --a</tt></center></td></tr>
<tr><td><center><tt>a++ a--</tt></center></td></tr>
@@ -2940,7 +2939,7 @@ the relative priority of all the operators in descending order:
Examples:
<center>
-<table border=1>
+<table nicer>
<tr><th>The expression</th><th>is evaluated in this order:</th></tr>
<tr><td><tt> 1+2*2 </tt></td><td><tt> 1+(2*2) </tt></td></tr>
<tr><td><tt> 1+2*2*4 </tt></td><td><tt> 1+((2*2)*4) </tt></td></tr>
@@ -3272,7 +3271,7 @@ Other operators will simply fail if called with objects. Refer to
<ref to=operators> for information on which operators can operate on objects
without operator overloading.
<center>
-<table border=1>
+<table nicer>
<tr><th>Operation</th><th>Will call</th><th>Or</th></tr>
<tr><td>a+b</td><td>a->`+(b)</td><td>b->``+(a)</td></tr>
<tr><td>a+b+c+d</td><td>a->`+(b,c,d)</td><td>(b->(a))+c+d</td></tr>
@@ -3634,7 +3633,7 @@ access modules in the same directory as the program itself. For instance,
<section title="How to write a module">
Here is an example of a simple module:
<example language=pike>
-constant PI = 3.14159265358979323846264338327950288419716939937510;
+constant PI = 3.14159265358979323846264338327950;
float cos2(float f) { return pow(cos(f),2.0); }
</example>
if we save this short file as <tt>Trig.pmod</tt> we can now use this
@@ -9266,7 +9265,7 @@ Content-Type header field. This function can be used to obtain a
reasonable default subtype given the type of a message. (This is done
automatically by the MIME.Message class.) Currently, the function uses
the following guesses:
-<table border=1>
+<table>
<tr><th>type</th><th>subtype</th></tr>
<tr><td>text</td><td>plain</td></tr>
<tr><td>message</td><td>rfc822</td></tr>