Update lingering uses of %addmethods

This was renamed to %extend 21 years ago!

The remaining uses are either in docs for the reference example or in
xml examples (which can't actually be run because they the SWIG command
line syntax they try to use is wrong).

Examples/go/reference/index.html

@@ -99,7 +99,7 @@ functions like this:
 class VectorArray {
 public:
  ...
-   %addmethods {
+   %extend {
     Vector &get(int index) {
       return (*self)[index];
     }

Examples/go/template/index.html

@@ -42,7 +42,7 @@ template<class T> class vector {
     v[index] = val;
   }
 #ifdef SWIG
-  %addmethods {
+  %extend {
     T getitem(int index) {
       return self-&gt;get(index);
     }
@@ -54,7 +54,7 @@ template<class T> class vector {
 };
 </pre>
 </blockquote>
-The %addmethods is used for a neater interface from Go as the
+The %extend is used for a neater interface from Go as the
 functions <tt>get</tt> and <tt>set</tt> use C++ references to
 primitive types. These are tricky to use from Go as they end up as
 pointers, which only work when the C++ and Go types correspond

Examples/java/reference/index.html

@@ -104,7 +104,7 @@ with a pair of set/get functions like this:
 class VectorArray {
 public:
  ...
-   %addmethods {
+   %extend {
     Vector &get(int index) {
       return (*self)[index];
     }

Examples/java/template/index.html

@@ -41,7 +41,7 @@ template<class T> class vector {
     v[index] = val;
   }
 #ifdef SWIG
-  %addmethods {
+  %extend {
     T getitem(int index) {
       return self-&gt;get(index);
     }
@@ -53,7 +53,7 @@ template<class T> class vector {
 };
 </pre>
 </blockquote>
-The %addmethods is used for a neater interface from Java as the functions <tt>get</tt> and <tt>set</tt> use C++ references to primitive types. These are tricky to use from Java as they end up as a pointer in Java (Java long).
+The %extend is used for a neater interface from Java as the functions <tt>get</tt> and <tt>set</tt> use C++ references to primitive types. These are tricky to use from Java as they end up as a pointer in Java (Java long).
 
 <h2>The SWIG interface</h2>
 

Examples/perl5/reference/index.html

@@ -104,7 +104,7 @@ with a pair of set/get functions like this:
 class VectorArray {
 public:
  ...
-   %addmethods {
+   %extend {
     Vector &get(int index) {
       return (*self)[index];
     }

Examples/python/reference/index.html

@@ -104,7 +104,7 @@ with a pair of set/get functions like this:
 class VectorArray {
 public:
  ...
-   %addmethods {
+   %extend {
     Vector &get(int index) {
       return (*self)[index];
     }

Examples/ruby/reference/index.html

@@ -104,7 +104,7 @@ with a pair of set/get functions like this:
 class VectorArray {
 public:
  ...
-   %addmethods {
+   %extend {
     Vector &get(int index) {
       return (*self)[index];
     }

Examples/tcl/reference/index.html

@@ -104,7 +104,7 @@ with a pair of set/get functions like this:
 class VectorArray {
 public:
  ...
-   %addmethods {
+   %extend {
     Vector &get(int index) {
       return (*self)[index];
     }

Examples/xml/example_ro.i

@@ -1,5 +1,5 @@
 /* File : example.i */
-%readonly 
+%immutable;
 extern int  status;
 extern char path[256];
 

Examples/xml/example_title_add.expected-xml

@@ -76,7 +76,7 @@ Vector addv(Vector &a, Vector &b) {
               <c:function name="size" >
                 <swigxml:type string="int"  />
               </c:function>
-              <swig:addmethods >
+              <swig:extend >
                 <swigxml:child >
                   <c:function name="get" >
                     <swigxml:parms >
@@ -106,7 +106,7 @@ Vector addv(Vector &amp;a, Vector &amp;b) {
                     <swigxml:type string="void"  />
                   </c:function>
                 </swigxml:child>
-              </swig:addmethods>
+              </swig:extend>
             </swigxml:child>
             <swigxml:classtype string="class"  />
             <swigxml:namespace string="VectorArray"  />

Examples/xml/example_title_add.i

@@ -32,7 +32,7 @@ public:
   int size();
   
   /* This wrapper provides an alternative to the [] operator */
-  %addmethods {
+  %extend {
     Vector &get(int index) {
       return (*self)[index];
     }